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| <h2 title="Interface ExtendedDeserializer" class="title">Interface ExtendedDeserializer<T></h2> |
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| <pre>public interface <span class="typeNameLabel">ExtendedDeserializer<T></span> |
| extends <a href="../../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization">Deserializer</a><T></pre> |
| <div class="block">A Deserializer that has access to the headers associated with the record. |
| |
| Prefer <a href="../../../../../org/apache/kafka/common/serialization/Deserializer.html" title="interface in org.apache.kafka.common.serialization"><code>Deserializer</code></a> if access to the headers is not required. Once Kafka drops support for Java 7, the |
| <code>deserialize()</code> method introduced by this interface will be added to Deserializer with a default implementation |
| so that backwards compatibility is maintained. This interface may be deprecated once that happens. |
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| <td class="colFirst"><code><a href="../../../../../org/apache/kafka/common/serialization/ExtendedDeserializer.html" title="type parameter in ExtendedDeserializer">T</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../../org/apache/kafka/common/serialization/ExtendedDeserializer.html#deserialize-java.lang.String-org.apache.kafka.common.header.Headers-byte:A-">deserialize</a></span>​(java.lang.String topic, |
| <a href="../../../../../org/apache/kafka/common/header/Headers.html" title="interface in org.apache.kafka.common.header">Headers</a> headers, |
| byte[] data)</code></th> |
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| <div class="block">Deserialize a record value from a byte array into a value or object.</div> |
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| <code><a href="../../../../../org/apache/kafka/common/serialization/Deserializer.html#close--">close</a>, <a href="../../../../../org/apache/kafka/common/serialization/Deserializer.html#configure-java.util.Map-boolean-">configure</a>, <a href="../../../../../org/apache/kafka/common/serialization/Deserializer.html#deserialize-java.lang.String-byte:A-">deserialize</a></code></li> |
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| <h4>deserialize</h4> |
| <pre><a href="../../../../../org/apache/kafka/common/serialization/ExtendedDeserializer.html" title="type parameter in ExtendedDeserializer">T</a> deserialize​(java.lang.String topic, |
| <a href="../../../../../org/apache/kafka/common/header/Headers.html" title="interface in org.apache.kafka.common.header">Headers</a> headers, |
| byte[] data)</pre> |
| <div class="block">Deserialize a record value from a byte array into a value or object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topic</code> - topic associated with the data</dd> |
| <dd><code>headers</code> - headers associated with the record; may be empty.</dd> |
| <dd><code>data</code> - serialized bytes; may be null; implementations are recommended to handle null by returning a value or null rather than throwing an exception.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>deserialized typed data; may be null</dd> |
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