org.apache.beam.runners.flink.translation.wrappers.streaming

Class SingletonKeyedWorkItemCoder<K,ElemT>

java.lang.Object

org.apache.beam.sdk.coders.Coder<T>

org.apache.beam.sdk.coders.StructuredCoder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

org.apache.beam.runners.flink.translation.wrappers.streaming.SingletonKeyedWorkItemCoder<K,ElemT>

All Implemented Interfaces:

java.io.Serializable

public class SingletonKeyedWorkItemCoder<K,ElemT>
extends org.apache.beam.sdk.coders.StructuredCoder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

Singleton keyed work item coder.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.beam.sdk.coders.Coder

org.apache.beam.sdk.coders.Coder.Context, org.apache.beam.sdk.coders.Coder.NonDeterministicException

Method Summary

Modifier and Type	Method and Description
boolean	consistentWithEquals() .
SingletonKeyedWorkItem<K,ElemT>	decode(java.io.InputStream inStream)
SingletonKeyedWorkItem<K,ElemT>	decode(java.io.InputStream inStream, org.apache.beam.sdk.coders.Coder.Context context)
void	encode(org.apache.beam.runners.core.KeyedWorkItem<K,ElemT> value, java.io.OutputStream outStream)
void	encode(org.apache.beam.runners.core.KeyedWorkItem<K,ElemT> value, java.io.OutputStream outStream, org.apache.beam.sdk.coders.Coder.Context context)
java.util.List<? extends org.apache.beam.sdk.coders.Coder<?>>	getCoderArguments()
org.apache.beam.sdk.coders.Coder<ElemT>	getElementCoder()
org.apache.beam.sdk.coders.Coder<K>	getKeyCoder()
static <K,ElemT> SingletonKeyedWorkItemCoder<K,ElemT>	of(org.apache.beam.sdk.coders.Coder<K> keyCoder, org.apache.beam.sdk.coders.Coder<ElemT> elemCoder, org.apache.beam.sdk.coders.Coder<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windowCoder) Create a new KeyedWorkItemCoder with the provided key coder, element coder, and window coder.
void	verifyDeterministic()

Methods inherited from class org.apache.beam.sdk.coders.StructuredCoder

equals, getComponents, hashCode, toString

Methods inherited from class org.apache.beam.sdk.coders.Coder

getEncodedElementByteSize, getEncodedTypeDescriptor, isRegisterByteSizeObserverCheap, registerByteSizeObserver, structuralValue, verifyDeterministic, verifyDeterministic

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

of

public static <K,ElemT> SingletonKeyedWorkItemCoder<K,ElemT> of(org.apache.beam.sdk.coders.Coder<K> keyCoder,
                                                                org.apache.beam.sdk.coders.Coder<ElemT> elemCoder,
                                                                org.apache.beam.sdk.coders.Coder<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windowCoder)

Create a new KeyedWorkItemCoder with the provided key coder, element coder, and window coder.

getKeyCoder

public org.apache.beam.sdk.coders.Coder<K> getKeyCoder()

getElementCoder

public org.apache.beam.sdk.coders.Coder<ElemT> getElementCoder()

encode

public void encode(org.apache.beam.runners.core.KeyedWorkItem<K,ElemT> value,
                   java.io.OutputStream outStream)
            throws org.apache.beam.sdk.coders.CoderException,
                   java.io.IOException

Specified by:

encode in class org.apache.beam.sdk.coders.Coder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

Throws:

org.apache.beam.sdk.coders.CoderException

java.io.IOException

encode

public void encode(org.apache.beam.runners.core.KeyedWorkItem<K,ElemT> value,
                   java.io.OutputStream outStream,
                   org.apache.beam.sdk.coders.Coder.Context context)
            throws org.apache.beam.sdk.coders.CoderException,
                   java.io.IOException

Overrides:

encode in class org.apache.beam.sdk.coders.Coder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

Throws:

org.apache.beam.sdk.coders.CoderException

java.io.IOException

decode

public SingletonKeyedWorkItem<K,ElemT> decode(java.io.InputStream inStream)
                                       throws org.apache.beam.sdk.coders.CoderException,
                                              java.io.IOException

Specified by:

decode in class org.apache.beam.sdk.coders.Coder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

Throws:

org.apache.beam.sdk.coders.CoderException

java.io.IOException

decode

public SingletonKeyedWorkItem<K,ElemT> decode(java.io.InputStream inStream,
                                              org.apache.beam.sdk.coders.Coder.Context context)
                                       throws org.apache.beam.sdk.coders.CoderException,
                                              java.io.IOException

Overrides:

decode in class org.apache.beam.sdk.coders.Coder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

Throws:

org.apache.beam.sdk.coders.CoderException

java.io.IOException

getCoderArguments

public java.util.List<? extends org.apache.beam.sdk.coders.Coder<?>> getCoderArguments()

Specified by:

getCoderArguments in class org.apache.beam.sdk.coders.Coder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

verifyDeterministic

public void verifyDeterministic()
                         throws org.apache.beam.sdk.coders.Coder.NonDeterministicException

Specified by:

verifyDeterministic in class org.apache.beam.sdk.coders.Coder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>

Throws:

org.apache.beam.sdk.coders.Coder.NonDeterministicException

consistentWithEquals

public boolean consistentWithEquals()

.

KeyedWorkItemCoder is not consistent with equals as it can return a KeyedWorkItem of a type different from the originally encoded type.

Overrides:

consistentWithEquals in class org.apache.beam.sdk.coders.Coder<org.apache.beam.runners.core.KeyedWorkItem<K,ElemT>>