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<div class="subTitle">gobblin.source.extractor.extract.kafka</div>
<h2 title="Class KafkaAvroExtractor" class="title">Class KafkaAvroExtractor&lt;K&gt;</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true" title="class or interface in gobblin.instrumented.extractor">gobblin.instrumented.extractor.InstrumentedExtractorBase</a>&lt;S,D&gt;</li>
<li>
<ul class="inheritance">
<li><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractor.html?is-external=true" title="class or interface in gobblin.instrumented.extractor">gobblin.instrumented.extractor.InstrumentedExtractor</a>&lt;S,D&gt;</li>
<li>
<ul class="inheritance">
<li><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/source/extractor/extract/EventBasedExtractor.html?is-external=true" title="class or interface in gobblin.source.extractor.extract">gobblin.source.extractor.extract.EventBasedExtractor</a>&lt;S,D&gt;</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html" title="class in gobblin.source.extractor.extract.kafka">gobblin.source.extractor.extract.kafka.KafkaExtractor</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&gt;</li>
<li>
<ul class="inheritance">
<li>gobblin.source.extractor.extract.kafka.KafkaAvroExtractor&lt;K&gt;</li>
</ul>
</li>
</ul>
</li>
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</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/Instrumentable.html?is-external=true" title="class or interface in gobblin.instrumented">Instrumentable</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/source/extractor/Extractor.html?is-external=true" title="class or interface in gobblin.source.extractor">Extractor</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&gt;, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/util/FinalState.html?is-external=true" title="class or interface in gobblin.util">FinalState</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../gobblin/source/extractor/extract/kafka/FixedSchemaKafkaAvroExtractor.html" title="class in gobblin.source.extractor.extract.kafka">FixedSchemaKafkaAvroExtractor</a></dd>
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<pre>public abstract class <span class="typeNameLabel">KafkaAvroExtractor&lt;K&gt;</span>
extends <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html" title="class in gobblin.source.extractor.extract.kafka">KafkaExtractor</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&gt;</pre>
<div class="block">An abstract implementation of <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/source/extractor/Extractor.html?is-external=true" title="class or interface in gobblin.source.extractor"><code>Extractor</code></a> for Kafka, where events are in Avro format.
Subclasses should implement <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getRecordSchema-byte:A-"><code>getRecordSchema(byte[])</code></a> and <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getDecoder-byte:A-"><code>getDecoder(byte[])</code></a>. Additionally, if
schema registry is not used (i.e., property <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_CLASS"><code>KafkaSchemaRegistry.KAFKA_SCHEMA_REGISTRY_CLASS</code></a> is not
specified, method <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getExtractorSchema--"><code>getExtractorSchema()</code></a> should be overriden.</div>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected static <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#DEFAULT_SCHEMA">DEFAULT_SCHEMA</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericDatumReader.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericDatumReader</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericData.Record.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericData.Record</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#reader">reader</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#schema">schema</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;<a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html" title="type parameter in KafkaAvroExtractor">K</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#schemaRegistry">schemaRegistry</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;gobblin.source.extractor.extract.kafka.<a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html" title="class in gobblin.source.extractor.extract.kafka">KafkaExtractor</a></h3>
<code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#ACTUAL_HIGH_WATERMARK">ACTUAL_HIGH_WATERMARK</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#AVG_RECORD_PULL_TIME">AVG_RECORD_PULL_TIME</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#decodingErrorCount">decodingErrorCount</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#EXPECTED_HIGH_WATERMARK">EXPECTED_HIGH_WATERMARK</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#GOBBLIN_KAFKA_NAMESPACE">GOBBLIN_KAFKA_NAMESPACE</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#highWatermark">highWatermark</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#INITIAL_PARTITION_IDX">INITIAL_PARTITION_IDX</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#KAFKA_EXTRACTOR_TOPIC_METADATA_EVENT_NAME">KAFKA_EXTRACTOR_TOPIC_METADATA_EVENT_NAME</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#kafkaConsumerClient">kafkaConsumerClient</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#LOW_WATERMARK">LOW_WATERMARK</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#lowWatermark">lowWatermark</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#MAX_LOG_DECODING_ERRORS">MAX_LOG_DECODING_ERRORS</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#nextWatermark">nextWatermark</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#PARTITION">PARTITION</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#partitions">partitions</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#stopwatch">stopwatch</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#TOPIC">TOPIC</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#topicName">topicName</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#workUnitState">workUnitState</a></code></li>
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<h3>Fields inherited from class&nbsp;gobblin.instrumented.extractor.<a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true" title="class or interface in gobblin.instrumented.extractor">InstrumentedExtractorBase</a></h3>
<code><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#closer" title="class or interface in gobblin.instrumented.extractor">closer</a></code></li>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#KafkaAvroExtractor-gobblin.configuration.WorkUnitState-">KafkaAvroExtractor</a></span>(<a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/configuration/WorkUnitState.html?is-external=true" title="class or interface in gobblin.configuration">WorkUnitState</a>&nbsp;state)</code>&nbsp;</td>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>protected <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#convertRecord-org.apache.avro.generic.GenericRecord-">convertRecord</a></span>(<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&nbsp;record)</code>
<div class="block">Convert the record to the output schema of this extractor</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#decodeRecord-gobblin.kafka.client.ByteArrayBasedKafkaRecord-">decodeRecord</a></span>(<a href="../../../../../gobblin/kafka/client/ByteArrayBasedKafkaRecord.html" title="interface in gobblin.kafka.client">ByteArrayBasedKafkaRecord</a>&nbsp;messageAndOffset)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected abstract <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/io/Decoder.html?is-external=true" title="class or interface in org.apache.avro.io">Decoder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getDecoder-byte:A-">getDecoder</a></span>(byte[]&nbsp;payload)</code>
<div class="block">Obtain the Avro <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/io/Decoder.html?is-external=true" title="class or interface in org.apache.avro.io"><code>Decoder</code></a> for a Kafka record given the payload of the record.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected <a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getExtractorSchema--">getExtractorSchema</a></span>()</code>
<div class="block">Get the schema to be used by this extractor.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>protected <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getLatestSchemaByTopic-java.lang.String-">getLatestSchemaByTopic</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;topic)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected abstract <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getRecordSchema-byte:A-">getRecordSchema</a></span>(byte[]&nbsp;payload)</code>
<div class="block">Obtain the Avro <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro"><code>Schema</code></a> of a Kafka record given the payload of the record.</div>
</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#getSchema--">getSchema</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html#readRecordImpl-org.apache.avro.generic.GenericRecord-">readRecordImpl</a></span>(<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&nbsp;reuse)</code>
<div class="block">Return the next decodable record from the current partition.</div>
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<code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#close--">close</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#generateTags-gobblin.configuration.State-">generateTags</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#getCurrentPartition--">getCurrentPartition</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#getExpectedRecordCount--">getExpectedRecordCount</a>, <a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#getHighWatermark--">getHighWatermark</a></code></li>
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<code><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractor.html?is-external=true#readRecord-D-" title="class or interface in gobblin.instrumented.extractor">readRecord</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractor.html?is-external=true#readRecordEnvelope--" title="class or interface in gobblin.instrumented.extractor">readRecordEnvelope</a></code></li>
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<code><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#afterRead-D-long-" title="class or interface in gobblin.instrumented.extractor">afterRead</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#beforeRead--" title="class or interface in gobblin.instrumented.extractor">beforeRead</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#getFinalState--" title="class or interface in gobblin.instrumented.extractor">getFinalState</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#getMetricContext--" title="class or interface in gobblin.instrumented.extractor">getMetricContext</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#isInstrumentationEnabled--" title="class or interface in gobblin.instrumented.extractor">isInstrumentationEnabled</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#onException-java.lang.Exception-" title="class or interface in gobblin.instrumented.extractor">onException</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#readRecordEnvelopeImpl--" title="class or interface in gobblin.instrumented.extractor">readRecordEnvelopeImpl</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#regenerateMetrics--" title="class or interface in gobblin.instrumented.extractor">regenerateMetrics</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#switchMetricContext-java.util.List-" title="class or interface in gobblin.instrumented.extractor">switchMetricContext</a>, <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-core-base/gobblin/instrumented/extractor/InstrumentedExtractorBase.html?is-external=true#switchMetricContext-gobblin.metrics.MetricContext-" title="class or interface in gobblin.instrumented.extractor">switchMetricContext</a></code></li>
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<code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<code><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/source/extractor/Extractor.html?is-external=true#recordStream-java.util.concurrent.atomic.AtomicBoolean-" title="class or interface in gobblin.source.extractor">recordStream</a></code></li>
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<pre>protected final&nbsp;<a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;<a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaAvroExtractor.html" title="type parameter in KafkaAvroExtractor">K</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&gt;&gt; schemaRegistry</pre>
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<pre>protected final&nbsp;<a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&gt; schema</pre>
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<pre>protected final&nbsp;<a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericDatumReader.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericDatumReader</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericData.Record.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericData.Record</a>&gt;&gt; reader</pre>
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<pre>public&nbsp;KafkaAvroExtractor(<a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/configuration/WorkUnitState.html?is-external=true" title="class or interface in gobblin.configuration">WorkUnitState</a>&nbsp;state)</pre>
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<pre>protected&nbsp;<a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/base/Optional.html?is-external=true" title="class or interface in com.google.common.base">Optional</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&gt;&nbsp;getExtractorSchema()</pre>
<div class="block">Get the schema to be used by this extractor. All extracted records that have different schemas
will be converted to this schema.</div>
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<pre>protected&nbsp;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&nbsp;getLatestSchemaByTopic(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;topic)</pre>
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<pre>public&nbsp;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&nbsp;readRecordImpl(<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&nbsp;reuse)
throws <a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/source/extractor/DataRecordException.html?is-external=true" title="class or interface in gobblin.source.extractor">DataRecordException</a>,
<a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#readRecordImpl-D-">KafkaExtractor</a></code></span></div>
<div class="block">Return the next decodable record from the current partition. If the current partition has no more
decodable record, move on to the next partition. If all partitions have been processed, return null.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#readRecordImpl-D-">readRecordImpl</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html" title="class in gobblin.source.extractor.extract.kafka">KafkaExtractor</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://linkedin.github.io/gobblin/javadoc/0.11.0/gobblin-api/gobblin/source/extractor/DataRecordException.html?is-external=true" title="class or interface in gobblin.source.extractor">DataRecordException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>public&nbsp;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&nbsp;getSchema()</pre>
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<pre>protected&nbsp;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&nbsp;decodeRecord(<a href="../../../../../gobblin/kafka/client/ByteArrayBasedKafkaRecord.html" title="interface in gobblin.kafka.client">ByteArrayBasedKafkaRecord</a>&nbsp;messageAndOffset)
throws <a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#decodeRecord-gobblin.kafka.client.ByteArrayBasedKafkaRecord-">decodeRecord</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html" title="class in gobblin.source.extractor.extract.kafka">KafkaExtractor</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&gt;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>protected&nbsp;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&nbsp;convertRecord(<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&nbsp;record)
throws <a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Convert the record to the output schema of this extractor</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html#convertRecord-D-">convertRecord</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../gobblin/source/extractor/extract/kafka/KafkaExtractor.html" title="class in gobblin.source.extractor.extract.kafka">KafkaExtractor</a>&lt;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>,<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/generic/GenericRecord.html?is-external=true" title="class or interface in org.apache.avro.generic">GenericRecord</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>record</code> - the input record</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the converted record</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>protected abstract&nbsp;<a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro">Schema</a>&nbsp;getRecordSchema(byte[]&nbsp;payload)</pre>
<div class="block">Obtain the Avro <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/Schema.html?is-external=true" title="class or interface in org.apache.avro"><code>Schema</code></a> of a Kafka record given the payload of the record.</div>
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<div class="block">Obtain the Avro <a href="http://avro.apache.org/docs/1.8.1/api/java/org/apache/avro/io/Decoder.html?is-external=true" title="class or interface in org.apache.avro.io"><code>Decoder</code></a> for a Kafka record given the payload of the record.</div>
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