Class ChangedDeserializer<T>
- java.lang.Object
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- org.apache.kafka.streams.kstream.internals.ChangedDeserializer<T>
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- All Implemented Interfaces:
Closeable
,AutoCloseable
,Deserializer<Change<T>>
,WrappingNullableDeserializer<Change<T>,Void,T>
public class ChangedDeserializer<T> extends Object implements Deserializer<Change<T>>, WrappingNullableDeserializer<Change<T>,Void,T>
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Constructor Summary
Constructors Constructor Description ChangedDeserializer(Deserializer<T> inner)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
Close this deserializer.Change<T>
deserialize(String topic, byte[] data)
Deserialize a record value from a byte array into a value or object.Change<T>
deserialize(String topic, Headers headers, byte[] data)
Deserialize a record value from a byte array into a value or object.Deserializer<T>
inner()
void
setIfUnset(Deserializer<Void> defaultKeyDeserializer, Deserializer<T> defaultValueDeserializer)
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.kafka.common.serialization.Deserializer
configure
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Constructor Detail
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ChangedDeserializer
public ChangedDeserializer(Deserializer<T> inner)
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Method Detail
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inner
public Deserializer<T> inner()
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setIfUnset
public void setIfUnset(Deserializer<Void> defaultKeyDeserializer, Deserializer<T> defaultValueDeserializer)
- Specified by:
setIfUnset
in interfaceWrappingNullableDeserializer<Change<T>,Void,T>
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deserialize
public Change<T> deserialize(String topic, Headers headers, byte[] data)
Description copied from interface:Deserializer
Deserialize a record value from a byte array into a value or object.- Specified by:
deserialize
in interfaceDeserializer<T>
- Parameters:
topic
- topic associated with the dataheaders
- headers associated with the record; may be empty.data
- serialized bytes; may be null; implementations are recommended to handle null by returning a value or null rather than throwing an exception.- Returns:
- deserialized typed data; may be null
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deserialize
public Change<T> deserialize(String topic, byte[] data)
Description copied from interface:Deserializer
Deserialize a record value from a byte array into a value or object.- Specified by:
deserialize
in interfaceDeserializer<T>
- Parameters:
topic
- topic associated with the datadata
- serialized bytes; may be null; implementations are recommended to handle null by returning a value or null rather than throwing an exception.- Returns:
- deserialized typed data; may be null
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close
public void close()
Description copied from interface:Deserializer
Close this deserializer.This method must be idempotent as it may be called multiple times.
- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Specified by:
close
in interfaceDeserializer<T>
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