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<div class="subTitle">gobblin.metrics.kafka</div>
<h2 title="Class KafkaSchemaRegistry" class="title">Class KafkaSchemaRegistry&lt;K,S&gt;</h2>
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<li>gobblin.metrics.kafka.KafkaSchemaRegistry&lt;K,S&gt;</li>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>K</code> - key type</dd>
<dd><code>S</code> - schema type</dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../gobblin/source/extractor/extract/kafka/ConfluentKafkaSchemaRegistry.html" title="class in gobblin.source.extractor.extract.kafka">ConfluentKafkaSchemaRegistry</a>, <a href="../../../gobblin/metrics/kafka/KafkaAvroSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaAvroSchemaRegistry</a>, <a href="../../../gobblin/source/extractor/extract/kafka/SimpleKafkaSchemaRegistry.html" title="class in gobblin.source.extractor.extract.kafka">SimpleKafkaSchemaRegistry</a></dd>
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<pre>public abstract class <span class="typeNameLabel">KafkaSchemaRegistry&lt;K,S&gt;</span>
extends <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">A abstract schema registry class for Kafka, which supports fetching schema by key, fetching the latest schema
of a topic, and registering a schema.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/cache/LoadingCache.html?is-external=true" title="class or interface in com.google.common.cache">LoadingCache</a>&lt;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>,<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#cachedSchemasByKeys">cachedSchemasByKeys</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<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/metrics/kafka/KafkaSchemaRegistry.html#DEFAULT_KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN">DEFAULT_KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN</a></span></code>&nbsp;</td>
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<tr class="altColor">
<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/metrics/kafka/KafkaSchemaRegistry.html#DEFAULT_KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE">DEFAULT_KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#GET_SCHEMA_BY_ID_MAX_TIRES">GET_SCHEMA_BY_ID_MAX_TIRES</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#GET_SCHEMA_BY_ID_MIN_INTERVAL_SECONDS">GET_SCHEMA_BY_ID_MIN_INTERVAL_SECONDS</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<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/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN">KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN</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/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_CLASS">KAFKA_SCHEMA_REGISTRY_CLASS</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<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/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE">KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE</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/metrics/kafka/KafkaSchemaRegistry.html#KAFKA_SCHEMA_REGISTRY_URL">KAFKA_SCHEMA_REGISTRY_URL</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#props">props</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#KafkaSchemaRegistry-java.util.Properties-">KafkaSchemaRegistry</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 abstract <a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#fetchSchemaByKey-K-">fetchSchemaByKey</a></span>(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>&nbsp;key)</code>
<div class="block">Fetch schema by key.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static &lt;K,S&gt;&nbsp;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;K,S&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#get-java.util.Properties-">get</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>abstract <a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.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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</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#getSchemaByKey-K-">getSchemaByKey</a></span>(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>&nbsp;key)</code>
<div class="block">Get schema from schema registry by key.</div>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>abstract <a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#register-S-">register</a></span>(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a>&nbsp;schema)</code>
<div class="block">Register a schema to the schema registry</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>abstract <a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html#register-S-java.lang.String-">register</a></span>(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</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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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<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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<h4>KAFKA_SCHEMA_REGISTRY_CLASS</h4>
<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> KAFKA_SCHEMA_REGISTRY_CLASS</pre>
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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> KAFKA_SCHEMA_REGISTRY_URL</pre>
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<pre>public static final&nbsp;int GET_SCHEMA_BY_ID_MAX_TIRES</pre>
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<pre>public static final&nbsp;int GET_SCHEMA_BY_ID_MIN_INTERVAL_SECONDS</pre>
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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> KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE</pre>
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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> DEFAULT_KAFKA_SCHEMA_REGISTRY_MAX_CACHE_SIZE</pre>
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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> KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN</pre>
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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> DEFAULT_KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN</pre>
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<dd><a href="../../../constant-values.html#gobblin.metrics.kafka.KafkaSchemaRegistry.DEFAULT_KAFKA_SCHEMA_REGISTRY_CACHE_EXPIRE_AFTER_WRITE_MIN">Constant Field Values</a></dd>
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<pre>protected final&nbsp;<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> props</pre>
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<pre>protected final&nbsp;<a href="http://google.github.io/guava/releases/15.0/api/docs/com/google/common/cache/LoadingCache.html?is-external=true" title="class or interface in com.google.common.cache">LoadingCache</a>&lt;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>,<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a>&gt; cachedSchemasByKeys</pre>
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<h4>KafkaSchemaRegistry</h4>
<pre>protected&nbsp;KafkaSchemaRegistry(<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>get</h4>
<pre>public static&nbsp;&lt;K,S&gt;&nbsp;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="class in gobblin.metrics.kafka">KafkaSchemaRegistry</a>&lt;K,S&gt;&nbsp;get(<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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<pre>public&nbsp;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a>&nbsp;getSchemaByKey(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>&nbsp;key)
throws <a href="../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></pre>
<div class="block">Get schema from schema registry by key.</div>
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<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 key.</dd>
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<pre>protected abstract&nbsp;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a>&nbsp;fetchSchemaByKey(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>&nbsp;key)
throws <a href="../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></pre>
<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="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 abstract&nbsp;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</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">Get the latest schema of a topic.</div>
<dl>
<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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<pre>public abstract&nbsp;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>&nbsp;register(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</a>&nbsp;schema)
throws <a href="../../../gobblin/metrics/kafka/SchemaRegistryException.html" title="class in gobblin.metrics.kafka">SchemaRegistryException</a></pre>
<div class="block">Register a schema to the schema registry</div>
<dl>
<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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<pre>public abstract&nbsp;<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">K</a>&nbsp;register(<a href="../../../gobblin/metrics/kafka/KafkaSchemaRegistry.html" title="type parameter in KafkaSchemaRegistry">S</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">Register a schema to the schema registry under the given name</div>
<dl>
<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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