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<div class="subTitle">gobblin.source.extractor.extract.kafka</div>
<h2 title="Class ConfluentKafkaSchemaRegistry" class="title">Class ConfluentKafkaSchemaRegistry</h2>
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<li><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">gobblin.metrics.kafka.KafkaSchemaRegistry</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</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;</li>
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<pre>public class <span class="typeNameLabel">ConfluentKafkaSchemaRegistry</span>
extends <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</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;</pre>
<div class="block">Extension of <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka"><code>KafkaSchemaRegistry</code></a> that wraps Confluent's <code>SchemaRegistryClient</code>.
<p>
While Confluent's Schema Registry Client API provides more functionality that Gobblin's <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka"><code>KafkaSchemaRegistry</code></a>,
most of the methods are not necessary for Gobblin's Kafka Adaptor. Thus only a subset of the
<code>SchemaRegistryClient</code> methods are used.
</p>
<p>
Like the <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka"><code>KafkaSchemaRegistry</code></a> this class allows fetching 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"><code>Schema</code></a> by a unique <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang"><code>Integer</code></a> id
that uniquely identifies the <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>. It is also capable of fetching the latest <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> for a topic.
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/ConfluentKafkaSchemaRegistry.html#CONFLUENT_MAX_SCHEMAS_PER_SUBJECT">CONFLUENT_MAX_SCHEMAS_PER_SUBJECT</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/ConfluentKafkaSchemaRegistry.html#CONFLUENT_SCHEMA_NAME_SUFFIX">CONFLUENT_SCHEMA_NAME_SUFFIX</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;gobblin.metrics.kafka.<a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a></h3>
<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#cachedSchemasByKeys">cachedSchemasByKeys</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#DEFAULT_KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN">DEFAULT_KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#DEFAULT_KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE">DEFAULT_KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#GET_SCHEMA_BY_ID_MAX_TIRES">GET_SCHEMA_BY_ID_MAX_TIRES</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#GET_SCHEMA_BY_ID_MIN_INTERVAL_SECONDS">GET_SCHEMA_BY_ID_MIN_INTERVAL_SECONDS</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN">KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_CLASS">KAFKA_SCHEMA_REGISTRY_CLASS</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE">KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_URL">KAFKA_SCHEMA_REGISTRY_URL</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#props">props</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/ConfluentKafkaSchemaRegistry.html#ConfluentKafkaSchemaRegistry-java.util.Properties-">ConfluentKafkaSchemaRegistry</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;props)</code>&nbsp;</td>
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<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/ConfluentKafkaSchemaRegistry.html#fetchSchemaByKey-java.lang.Integer-">fetchSchemaByKey</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&nbsp;key)</code>
<div class="block">Fetch schema by key.</div>
</td>
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<tr id="i1" class="rowColor">
<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/ConfluentKafkaSchemaRegistry.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>
<div class="block">Get the latest schema of a topic.</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/ConfluentKafkaSchemaRegistry.html#register-org.apache.avro.Schema-">register</a></span>(<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;schema)</code>
<div class="block">Register a schema to the schema registry</div>
</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../gobblin/source/extractor/extract/kafka/ConfluentKafkaSchemaRegistry.html#register-org.apache.avro.Schema-java.lang.String-">register</a></span>(<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;schema,
<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;name)</code>
<div class="block">Register a schema to the schema registry under the given name</div>
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<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#get-java.util.Properties-">get</a>, <a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#getSchemaByKey-K-">getSchemaByKey</a></code></li>
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<pre>public static final&nbsp;<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> CONFLUENT_MAX_SCHEMAS_PER_SUBJECT</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../constant-values.html#gobblin.source.extractor.extract.kafka.ConfluentKafkaSchemaRegistry.CONFLUENT_MAX_SCHEMAS_PER_SUBJECT">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<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> CONFLUENT_SCHEMA_NAME_SUFFIX</pre>
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<dd><a href="../../../../../constant-values.html#gobblin.source.extractor.extract.kafka.ConfluentKafkaSchemaRegistry.CONFLUENT_SCHEMA_NAME_SUFFIX">Constant Field Values</a></dd>
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<pre>public&nbsp;ConfluentKafkaSchemaRegistry(<a href="https://docs.oracle.com/javase/7/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;props)</pre>
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<h4>fetchSchemaByKey</h4>
<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;fetchSchemaByKey(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&nbsp;key)
throws <a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#fetchSchemaByKey-K-">KafkaSchemaRegistry</a></code></span></div>
<div class="block">Fetch schema by key.
This method is called in <code>#getSchemaByKey(K)</code> to fetch the schema if the given key does not exist
in the cache.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#fetchSchemaByKey-K-">fetchSchemaByKey</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</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;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></code> - if failed to fetch schema by key.</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;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)
throws <a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#getLatestSchemaByTopic-java.lang.String-">KafkaSchemaRegistry</a></code></span></div>
<div class="block">Get the latest schema of a topic.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#getLatestSchemaByTopic-java.lang.String-">getLatestSchemaByTopic</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</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;</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></code> - if failed to get schema by topic.</dd>
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<h4>register</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&nbsp;register(<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;schema)
throws <a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#register-S-">KafkaSchemaRegistry</a></code></span></div>
<div class="block">Register a schema to the schema registry</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#register-S-">register</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</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;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the key of the registered schema.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></code> - if registration failed.</dd>
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<h4>register</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&nbsp;register(<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;schema,
<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;name)
throws <a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#register-S-java.lang.String-">KafkaSchemaRegistry</a></code></span></div>
<div class="block">Register a schema to the schema registry under the given name</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#register-S-java.lang.String-">register</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</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;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the key of the registered schema.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></code> - if registration failed.</dd>
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