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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="../../../../org/apache/kafka/streams/package-summary.html">org.apache.kafka.streams</a></div> |
| <h2 title="Class Topology" class="title">Class Topology</h2> |
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| <li>java.lang.Object</li> |
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| <pre>public class <span class="typeNameLabel">Topology</span> |
| extends java.lang.Object</pre> |
| <div class="block">A logical representation of a <code>ProcessorTopology</code>. |
| A topology is an acyclic graph of sources, processors, and sinks. |
| A <code>source</code> is a node in the graph that consumes one or more Kafka topics and forwards them to its |
| successor nodes. |
| A <a href="../../../../org/apache/kafka/streams/processor/Processor.html" title="interface in org.apache.kafka.streams.processor"><code>processor</code></a> is a node in the graph that receives input records from upstream nodes, processes the |
| records, and optionally forwarding new records to one or all of its downstream nodes. |
| Finally, a <code>sink</code> is a node in the graph that receives records from upstream nodes and writes them to |
| a Kafka topic. |
| A <code>Topology</code> allows you to construct an acyclic graph of these nodes, and then passed into a new |
| <a href="../../../../org/apache/kafka/streams/KafkaStreams.html" title="class in org.apache.kafka.streams"><code>KafkaStreams</code></a> instance that will then <a href="../../../../org/apache/kafka/streams/KafkaStreams.html#start--"><code>begin consuming, processing, and producing |
| records</code></a>.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Sets the <code>auto.offset.reset</code> configuration when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-java.lang.String-java.lang.String...-"><code>adding a source processor</code></a> or when creating <a href="../../../../org/apache/kafka/streams/kstream/KStream.html" title="interface in org.apache.kafka.streams.kstream"><code>KStream</code></a> |
| or <a href="../../../../org/apache/kafka/streams/kstream/KTable.html" title="interface in org.apache.kafka.streams.kstream"><code>KTable</code></a> via <a href="../../../../org/apache/kafka/streams/StreamsBuilder.html" title="class in org.apache.kafka.streams"><code>StreamsBuilder</code></a>.</div> |
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| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#Topology--">Topology</a></span>​()</code></th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addGlobalStore-org.apache.kafka.streams.state.StoreBuilder-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-">addGlobalStore</a></span>​(<a href="../../../../org/apache/kafka/streams/state/StoreBuilder.html" title="interface in org.apache.kafka.streams.state">StoreBuilder</a> storeBuilder, |
| java.lang.String sourceName, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String topic, |
| java.lang.String processorName, |
| <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor">ProcessorSupplier</a> stateUpdateSupplier)</code></th> |
| <td class="colLast"> |
| <div class="block">Adds a global <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> to the topology.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addGlobalStore-org.apache.kafka.streams.state.StoreBuilder-java.lang.String-org.apache.kafka.streams.processor.TimestampExtractor-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-">addGlobalStore</a></span>​(<a href="../../../../org/apache/kafka/streams/state/StoreBuilder.html" title="interface in org.apache.kafka.streams.state">StoreBuilder</a> storeBuilder, |
| java.lang.String sourceName, |
| <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String topic, |
| java.lang.String processorName, |
| <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor">ProcessorSupplier</a> stateUpdateSupplier)</code></th> |
| <td class="colLast"> |
| <div class="block">Adds a global <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> to the topology.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-">addProcessor</a></span>​(java.lang.String name, |
| <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor">ProcessorSupplier</a> supplier, |
| java.lang.String... parentNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new processor node that receives and processes records output by one or more parent source or processor |
| node.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-java.lang.String...-">addSink</a></span>​(java.lang.String name, |
| java.lang.String topic, |
| java.lang.String... parentNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><K,V> <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-java.lang.String...-">addSink</a></span>​(java.lang.String name, |
| java.lang.String topic, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><K> keySerializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><V> valueSerializer, |
| java.lang.String... parentNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><K,V> <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-">addSink</a></span>​(java.lang.String name, |
| java.lang.String topic, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><K> keySerializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><V> valueSerializer, |
| <a href="../../../../org/apache/kafka/streams/processor/StreamPartitioner.html" title="interface in org.apache.kafka.streams.processor">StreamPartitioner</a><? super K,? super V> partitioner, |
| java.lang.String... parentNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><K,V> <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-">addSink</a></span>​(java.lang.String name, |
| java.lang.String topic, |
| <a href="../../../../org/apache/kafka/streams/processor/StreamPartitioner.html" title="interface in org.apache.kafka.streams.processor">StreamPartitioner</a><? super K,? super V> partitioner, |
| java.lang.String... parentNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic, |
| using the supplied partitioner.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-java.lang.String-java.lang.String...-">addSource</a></span>​(java.lang.String name, |
| java.lang.String... topics)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-java.lang.String-java.util.regex.Pattern-">addSource</a></span>​(java.lang.String name, |
| java.util.regex.Pattern topicPattern)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern |
| and forward the records to child processor and/or sink nodes.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String...-">addSource</a></span>​(java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String... topics)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.util.regex.Pattern-">addSource</a></span>​(java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.util.regex.Pattern topicPattern)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-org.apache.kafka.streams.processor.TimestampExtractor-java.lang.String-java.lang.String...-">addSource</a></span>​(<a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| java.lang.String name, |
| java.lang.String... topics)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-org.apache.kafka.streams.processor.TimestampExtractor-java.lang.String-java.util.regex.Pattern-">addSource</a></span>​(<a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| java.lang.String name, |
| java.util.regex.Pattern topicPattern)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern |
| and forward the records to child processor and/or sink nodes.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
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| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-java.lang.String-java.lang.String...-">addSource</a></span>​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| java.lang.String... topics)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.</div> |
| </td> |
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| <tr id="i14" class="altColor"> |
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| java.lang.String name, |
| java.util.regex.Pattern topicPattern)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern |
| and forward the records to child processor and/or sink nodes.</div> |
| </td> |
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| <tr id="i15" class="rowColor"> |
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| java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String... topics)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes.</div> |
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| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
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| java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.util.regex.Pattern topicPattern)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes.</div> |
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| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-java.lang.String-org.apache.kafka.streams.processor.TimestampExtractor-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String...-">addSource</a></span>​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String... topics)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes.</div> |
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| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
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| java.lang.String name, |
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| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.util.regex.Pattern topicPattern)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes.</div> |
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| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
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| java.lang.String name, |
| java.lang.String... topics)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.</div> |
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| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
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| <td class="colLast"> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forward the records to child processor |
| and/or sink nodes.</div> |
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| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
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| java.lang.String... processorNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Adds a state store.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#connectProcessorAndStateStores-java.lang.String-java.lang.String...-">connectProcessorAndStateStores</a></span>​(java.lang.String processorName, |
| java.lang.String... stateStoreNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Connects the processor and the state stores.</div> |
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| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/kafka/streams/TopologyDescription.html" title="interface in org.apache.kafka.streams">TopologyDescription</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/kafka/streams/Topology.html#describe--">describe</a></span>​()</code></th> |
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| <h4>Topology</h4> |
| <pre>public Topology​()</pre> |
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| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(java.lang.String name, |
| java.lang.String... topics)</pre> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>. |
| The default <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TimestampExtractor</code></a> as specified in the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>config</code></a> is used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topics</code> - the name of one or more Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
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| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(java.lang.String name, |
| java.util.regex.Pattern topicPattern)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern |
| and forward the records to child processor and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>. |
| The default <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TimestampExtractor</code></a> as specified in the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>config</code></a> is used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topicPattern</code> - regular expression pattern to match Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| java.lang.String... topics)</pre> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>. |
| The default <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TimestampExtractor</code></a> as specified in the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>config</code></a> is used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy to use for this source if no committed offsets found; acceptable values earliest or latest</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topics</code> - the name of one or more Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| java.util.regex.Pattern topicPattern)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern |
| and forward the records to child processor and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>. |
| The default <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TimestampExtractor</code></a> as specified in the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>config</code></a> is used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy value for this source if no committed offsets found; acceptable values earliest or latest.</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topicPattern</code> - regular expression pattern to match Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.processor.TimestampExtractor-java.lang.String-java.lang.String...-"> |
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| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| java.lang.String name, |
| java.lang.String... topics)</pre> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timestampExtractor</code> - the stateless timestamp extractor used for this source, |
| if not specified the default extractor defined in the configs will be used</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topics</code> - the name of one or more Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.processor.TimestampExtractor-java.lang.String-java.util.regex.Pattern-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| java.lang.String name, |
| java.util.regex.Pattern topicPattern)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern |
| and forward the records to child processor and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timestampExtractor</code> - the stateless timestamp extractor used for this source, |
| if not specified the default extractor defined in the configs will be used</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topicPattern</code> - regular expression pattern to match Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-org.apache.kafka.streams.processor.TimestampExtractor-java.lang.String-java.lang.String...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| java.lang.String name, |
| java.lang.String... topics)</pre> |
| <div class="block">Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy to use for this source if no committed offsets found; |
| acceptable values earliest or latest</dd> |
| <dd><code>timestampExtractor</code> - the stateless timestamp extractor used for this source, |
| if not specified the default extractor defined in the configs will be used</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topics</code> - the name of one or more Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-org.apache.kafka.streams.processor.TimestampExtractor-java.lang.String-java.util.regex.Pattern-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| java.lang.String name, |
| java.util.regex.Pattern topicPattern)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forward the records to child processor |
| and/or sink nodes. |
| The source will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key deserializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value deserializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy value for this source if no committed offsets found; |
| acceptable values earliest or latest.</dd> |
| <dd><code>timestampExtractor</code> - the stateless timestamp extractor used for this source, |
| if not specified the default extractor defined in the configs will be used</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>topicPattern</code> - regular expression pattern to match Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String...-"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String... topics)</pre> |
| <div class="block">Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes. |
| The source will use the specified key and value deserializers. |
| The default <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TimestampExtractor</code></a> as specified in the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>config</code></a> is used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a></dd> |
| <dd><code>keyDeserializer</code> - key deserializer used to read this source, if not specified the default |
| key deserializer defined in the configs will be used</dd> |
| <dd><code>valueDeserializer</code> - value deserializer used to read this source, |
| if not specified the default value deserializer defined in the configs will be used</dd> |
| <dd><code>topics</code> - the name of one or more Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.util.regex.Pattern-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.util.regex.Pattern topicPattern)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes. |
| The source will use the specified key and value deserializers. |
| The provided de-/serializers will be used for all matched topics, so care should be taken to specify patterns for |
| topics that share the same key-value data format. |
| The default <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TimestampExtractor</code></a> as specified in the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>config</code></a> is used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a></dd> |
| <dd><code>keyDeserializer</code> - key deserializer used to read this source, if not specified the default |
| key deserializer defined in the configs will be used</dd> |
| <dd><code>valueDeserializer</code> - value deserializer used to read this source, |
| if not specified the default value deserializer defined in the configs will be used</dd> |
| <dd><code>topicPattern</code> - regular expression pattern to match Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String... topics)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes. |
| The source will use the specified key and value deserializers. |
| The provided de-/serializers will be used for all matched topics, so care should be taken to specify patterns for |
| topics that share the same key-value data format.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy to use for this stream if no committed offsets found; |
| acceptable values are earliest or latest</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a></dd> |
| <dd><code>keyDeserializer</code> - key deserializer used to read this source, if not specified the default |
| key deserializer defined in the configs will be used</dd> |
| <dd><code>valueDeserializer</code> - value deserializer used to read this source, |
| if not specified the default value deserializer defined in the configs will be used</dd> |
| <dd><code>topics</code> - the name of one or more Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.util.regex.Pattern-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.util.regex.Pattern topicPattern)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes. |
| The source will use the specified key and value deserializers. |
| The provided de-/serializers will be used for all matched topics, so care should be taken to specify patterns for |
| topics that share the same key-value data format.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy to use for this stream if no committed offsets found; |
| acceptable values are earliest or latest</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a></dd> |
| <dd><code>keyDeserializer</code> - key deserializer used to read this source, if not specified the default |
| key deserializer defined in the configs will be used</dd> |
| <dd><code>valueDeserializer</code> - value deserializer used to read this source, |
| if not specified the default value deserializer defined in the configs will be used</dd> |
| <dd><code>topicPattern</code> - regular expression pattern to match Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-java.lang.String-org.apache.kafka.streams.processor.TimestampExtractor-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String... topics)</pre> |
| <div class="block">Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes. |
| The source will use the specified key and value deserializers.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy to use for this stream if no committed offsets found; |
| acceptable values are earliest or latest.</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>timestampExtractor</code> - the stateless timestamp extractor used for this source, |
| if not specified the default extractor defined in the configs will be used</dd> |
| <dd><code>keyDeserializer</code> - key deserializer used to read this source, if not specified the default |
| key deserializer defined in the configs will be used</dd> |
| <dd><code>valueDeserializer</code> - value deserializer used to read this source, |
| if not specified the default value deserializer defined in the configs will be used</dd> |
| <dd><code>topics</code> - the name of one or more Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by another source</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSource-org.apache.kafka.streams.Topology.AutoOffsetReset-java.lang.String-org.apache.kafka.streams.processor.TimestampExtractor-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.util.regex.Pattern-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addSource</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSource​(<a href="../../../../org/apache/kafka/streams/Topology.AutoOffsetReset.html" title="enum in org.apache.kafka.streams">Topology.AutoOffsetReset</a> offsetReset, |
| java.lang.String name, |
| <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.util.regex.Pattern topicPattern)</pre> |
| <div class="block">Add a new source that consumes from topics matching the given pattern and forwards the records to child processor |
| and/or sink nodes. |
| The source will use the specified key and value deserializers. |
| The provided de-/serializers will be used for all matched topics, so care should be taken to specify patterns for |
| topics that share the same key-value data format.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offsetReset</code> - the auto offset reset policy to use for this stream if no committed offsets found; |
| acceptable values are earliest or latest</dd> |
| <dd><code>name</code> - the unique name of the source used to reference this node when |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"><code>adding processor children</code></a>.</dd> |
| <dd><code>timestampExtractor</code> - the stateless timestamp extractor used for this source, |
| if not specified the default extractor defined in the configs will be used</dd> |
| <dd><code>keyDeserializer</code> - key deserializer used to read this source, if not specified the default |
| key deserializer defined in the configs will be used</dd> |
| <dd><code>valueDeserializer</code> - value deserializer used to read this source, |
| if not specified the default value deserializer defined in the configs will be used</dd> |
| <dd><code>topicPattern</code> - regular expression pattern to match Kafka topics that this source is to consume</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if processor is already added or if topics have already been registered by name</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSink​(java.lang.String name, |
| java.lang.String topic, |
| java.lang.String... parentNames)</pre> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic. |
| The sink will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key serializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value serializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the sink</dd> |
| <dd><code>topic</code> - the name of the Kafka topic to which this sink should write its records</dd> |
| <dd><code>parentNames</code> - the name of one or more source or processor nodes whose output records this sink should consume |
| and write to its topic</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - itself</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"><code>addSink(String, String, StreamPartitioner, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-java.lang.String...-"><code>addSink(String, String, Serializer, Serializer, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"><code>addSink(String, String, Serializer, Serializer, StreamPartitioner, String...)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSink-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"> |
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| <h4>addSink</h4> |
| <pre>public <K,V> <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSink​(java.lang.String name, |
| java.lang.String topic, |
| <a href="../../../../org/apache/kafka/streams/processor/StreamPartitioner.html" title="interface in org.apache.kafka.streams.processor">StreamPartitioner</a><? super K,? super V> partitioner, |
| java.lang.String... parentNames)</pre> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic, |
| using the supplied partitioner. |
| The sink will use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key serializer</code></a> and |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value serializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a>. |
| <p> |
| The sink will also use the specified <a href="../../../../org/apache/kafka/streams/processor/StreamPartitioner.html" title="interface in org.apache.kafka.streams.processor"><code>StreamPartitioner</code></a> to determine how records are distributed among |
| the named Kafka topic's partitions. |
| Such control is often useful with topologies that use <a href="../../../../org/apache/kafka/streams/Topology.html#addStateStore-org.apache.kafka.streams.state.StoreBuilder-java.lang.String...-"><code>state |
| stores</code></a> in its processors. |
| In most other cases, however, a partitioner needs not be specified and Kafka will automatically distribute |
| records among partitions using Kafka's default partitioning logic.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the sink</dd> |
| <dd><code>topic</code> - the name of the Kafka topic to which this sink should write its records</dd> |
| <dd><code>partitioner</code> - the function that should be used to determine the partition for each record processed by the sink</dd> |
| <dd><code>parentNames</code> - the name of one or more source or processor nodes whose output records this sink should consume |
| and write to its topic</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if parent processor is not added yet, or if this processor's name is equal to the parent's name</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-java.lang.String...-"><code>addSink(String, String, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-java.lang.String...-"><code>addSink(String, String, Serializer, Serializer, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"><code>addSink(String, String, Serializer, Serializer, StreamPartitioner, String...)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-java.lang.String...-"> |
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| <pre>public <K,V> <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSink​(java.lang.String name, |
| java.lang.String topic, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><K> keySerializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><V> valueSerializer, |
| java.lang.String... parentNames)</pre> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic. |
| The sink will use the specified key and value serializers.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the sink</dd> |
| <dd><code>topic</code> - the name of the Kafka topic to which this sink should write its records</dd> |
| <dd><code>keySerializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization"><code>key serializer</code></a> used when consuming records; may be null if the sink |
| should use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key serializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a></dd> |
| <dd><code>valueSerializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization"><code>value serializer</code></a> used when consuming records; may be null if the sink |
| should use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value serializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a></dd> |
| <dd><code>parentNames</code> - the name of one or more source or processor nodes whose output records this sink should consume |
| and write to its topic</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if parent processor is not added yet, or if this processor's name is equal to the parent's name</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-java.lang.String...-"><code>addSink(String, String, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"><code>addSink(String, String, StreamPartitioner, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"><code>addSink(String, String, Serializer, Serializer, StreamPartitioner, String...)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"> |
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| <h4>addSink</h4> |
| <pre>public <K,V> <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addSink​(java.lang.String name, |
| java.lang.String topic, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><K> keySerializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization">Serializer</a><V> valueSerializer, |
| <a href="../../../../org/apache/kafka/streams/processor/StreamPartitioner.html" title="interface in org.apache.kafka.streams.processor">StreamPartitioner</a><? super K,? super V> partitioner, |
| java.lang.String... parentNames)</pre> |
| <div class="block">Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic. |
| The sink will use the specified key and value serializers, and the supplied partitioner.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the sink</dd> |
| <dd><code>topic</code> - the name of the Kafka topic to which this sink should write its records</dd> |
| <dd><code>keySerializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization"><code>key serializer</code></a> used when consuming records; may be null if the sink |
| should use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_KEY_SERDE_CLASS_CONFIG"><code>default key serializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a></dd> |
| <dd><code>valueSerializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Serializer.html" title="interface in org.apache.kafka.common.serialization"><code>value serializer</code></a> used when consuming records; may be null if the sink |
| should use the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html#DEFAULT_VALUE_SERDE_CLASS_CONFIG"><code>default value serializer</code></a> specified in the |
| <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>stream configuration</code></a></dd> |
| <dd><code>partitioner</code> - the function that should be used to determine the partition for each record processed by the sink</dd> |
| <dd><code>parentNames</code> - the name of one or more source or processor nodes whose output records this sink should consume |
| and write to its topic</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if parent processor is not added yet, or if this processor's name is equal to the parent's name</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-java.lang.String...-"><code>addSink(String, String, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.StreamPartitioner-java.lang.String...-"><code>addSink(String, String, StreamPartitioner, String...)</code></a>, |
| <a href="../../../../org/apache/kafka/streams/Topology.html#addSink-java.lang.String-java.lang.String-org.apache.kafka.common.serialization.Serializer-org.apache.kafka.common.serialization.Serializer-java.lang.String...-"><code>addSink(String, String, Serializer, Serializer, String...)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addProcessor-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-java.lang.String...-"> |
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| </a> |
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| <h4>addProcessor</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addProcessor​(java.lang.String name, |
| <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor">ProcessorSupplier</a> supplier, |
| java.lang.String... parentNames)</pre> |
| <div class="block">Add a new processor node that receives and processes records output by one or more parent source or processor |
| node. |
| Any new record output by this processor will be forwarded to its child processor or sink nodes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - the unique name of the processor node</dd> |
| <dd><code>supplier</code> - the supplier used to obtain this node's <a href="../../../../org/apache/kafka/streams/processor/Processor.html" title="interface in org.apache.kafka.streams.processor"><code>Processor</code></a> instance</dd> |
| <dd><code>parentNames</code> - the name of one or more source or processor nodes whose output records this processor should receive |
| and process</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if parent processor is not added yet, or if this processor's name is equal to the parent's name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addStateStore-org.apache.kafka.streams.state.StoreBuilder-java.lang.String...-"> |
| <!-- --> |
| </a> |
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| <h4>addStateStore</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addStateStore​(<a href="../../../../org/apache/kafka/streams/state/StoreBuilder.html" title="interface in org.apache.kafka.streams.state">StoreBuilder</a> storeBuilder, |
| java.lang.String... processorNames)</pre> |
| <div class="block">Adds a state store.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>storeBuilder</code> - the storeBuilder used to obtain this state store <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> instance</dd> |
| <dd><code>processorNames</code> - the names of the processors that should be able to access the provided store</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if state store supplier is already added</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addGlobalStore-org.apache.kafka.streams.state.StoreBuilder-java.lang.String-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-"> |
| <!-- --> |
| </a> |
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| <h4>addGlobalStore</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addGlobalStore​(<a href="../../../../org/apache/kafka/streams/state/StoreBuilder.html" title="interface in org.apache.kafka.streams.state">StoreBuilder</a> storeBuilder, |
| java.lang.String sourceName, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String topic, |
| java.lang.String processorName, |
| <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor">ProcessorSupplier</a> stateUpdateSupplier)</pre> |
| <div class="block">Adds a global <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> to the topology. |
| The <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> sources its data from all partitions of the provided input topic. |
| There will be exactly one instance of this <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> per Kafka Streams instance. |
| <p> |
| A <code>SourceNode</code> with the provided sourceName will be added to consume the data arriving from the partitions |
| of the input topic. |
| <p> |
| The provided <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor"><code>ProcessorSupplier</code></a> will be used to create an <code>ProcessorNode</code> that will receive all |
| records forwarded from the <code>SourceNode</code>. |
| This <code>ProcessorNode</code> should be used to keep the <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> up-to-date. |
| The default <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TimestampExtractor</code></a> as specified in the <a href="../../../../org/apache/kafka/streams/StreamsConfig.html" title="class in org.apache.kafka.streams"><code>config</code></a> is used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>storeBuilder</code> - user defined state store builder</dd> |
| <dd><code>sourceName</code> - name of the <code>SourceNode</code> that will be automatically added</dd> |
| <dd><code>keyDeserializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization"><code>Deserializer</code></a> to deserialize keys with</dd> |
| <dd><code>valueDeserializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization"><code>Deserializer</code></a> to deserialize values with</dd> |
| <dd><code>topic</code> - the topic to source the data from</dd> |
| <dd><code>processorName</code> - the name of the <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor"><code>ProcessorSupplier</code></a></dd> |
| <dd><code>stateUpdateSupplier</code> - the instance of <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor"><code>ProcessorSupplier</code></a></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if the processor of state is already registered</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addGlobalStore-org.apache.kafka.streams.state.StoreBuilder-java.lang.String-org.apache.kafka.streams.processor.TimestampExtractor-org.apache.kafka.common.serialization.Deserializer-org.apache.kafka.common.serialization.Deserializer-java.lang.String-java.lang.String-org.apache.kafka.streams.processor.ProcessorSupplier-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addGlobalStore</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> addGlobalStore​(<a href="../../../../org/apache/kafka/streams/state/StoreBuilder.html" title="interface in org.apache.kafka.streams.state">StoreBuilder</a> storeBuilder, |
| java.lang.String sourceName, |
| <a href="../../../../org/apache/kafka/streams/processor/TimestampExtractor.html" title="interface in org.apache.kafka.streams.processor">TimestampExtractor</a> timestampExtractor, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> keyDeserializer, |
| <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a> valueDeserializer, |
| java.lang.String topic, |
| java.lang.String processorName, |
| <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor">ProcessorSupplier</a> stateUpdateSupplier)</pre> |
| <div class="block">Adds a global <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> to the topology. |
| The <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> sources its data from all partitions of the provided input topic. |
| There will be exactly one instance of this <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> per Kafka Streams instance. |
| <p> |
| A <code>SourceNode</code> with the provided sourceName will be added to consume the data arriving from the partitions |
| of the input topic. |
| <p> |
| The provided <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor"><code>ProcessorSupplier</code></a> will be used to create an <code>ProcessorNode</code> that will receive all |
| records forwarded from the <code>SourceNode</code>. |
| This <code>ProcessorNode</code> should be used to keep the <a href="../../../../org/apache/kafka/streams/processor/StateStore.html" title="interface in org.apache.kafka.streams.processor"><code>StateStore</code></a> up-to-date.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>storeBuilder</code> - user defined key value store builder</dd> |
| <dd><code>sourceName</code> - name of the <code>SourceNode</code> that will be automatically added</dd> |
| <dd><code>timestampExtractor</code> - the stateless timestamp extractor used for this source, |
| if not specified the default extractor defined in the configs will be used</dd> |
| <dd><code>keyDeserializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization"><code>Deserializer</code></a> to deserialize keys with</dd> |
| <dd><code>valueDeserializer</code> - the <a href="../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization"><code>Deserializer</code></a> to deserialize values with</dd> |
| <dd><code>topic</code> - the topic to source the data from</dd> |
| <dd><code>processorName</code> - the name of the <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor"><code>ProcessorSupplier</code></a></dd> |
| <dd><code>stateUpdateSupplier</code> - the instance of <a href="../../../../org/apache/kafka/streams/processor/ProcessorSupplier.html" title="interface in org.apache.kafka.streams.processor"><code>ProcessorSupplier</code></a></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if the processor of state is already registered</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="connectProcessorAndStateStores-java.lang.String-java.lang.String...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>connectProcessorAndStateStores</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/Topology.html" title="class in org.apache.kafka.streams">Topology</a> connectProcessorAndStateStores​(java.lang.String processorName, |
| java.lang.String... stateStoreNames)</pre> |
| <div class="block">Connects the processor and the state stores.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>processorName</code> - the name of the processor</dd> |
| <dd><code>stateStoreNames</code> - the names of state stores that the processor uses</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>itself</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/kafka/streams/errors/TopologyException.html" title="class in org.apache.kafka.streams.errors">TopologyException</a></code> - if the processor or a state store is unknown</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="describe--"> |
| <!-- --> |
| </a> |
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| <h4>describe</h4> |
| <pre>public <a href="../../../../org/apache/kafka/streams/TopologyDescription.html" title="interface in org.apache.kafka.streams">TopologyDescription</a> describe​()</pre> |
| <div class="block">Returns a description of the specified <code>Topology</code>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a description of the topology.</dd> |
| </dl> |
| </li> |
| </ul> |
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