com.google.cloud.dataflow.sdk.coders

Class CoderRegistry.ConstantCoderFactory

java.lang.Object

com.google.cloud.dataflow.sdk.coders.CoderRegistry.CoderFactory

com.google.cloud.dataflow.sdk.coders.CoderRegistry.ConstantCoderFactory

Enclosing class:

CoderRegistry

public class CoderRegistry.ConstantCoderFactory
extends CoderRegistry.CoderFactory

A factory that always returns the coder with which it is instantiated.

Constructor Summary

Constructors

Constructor and Description
CoderRegistry.ConstantCoderFactory(Coder<?> coder)

Method Summary

Methods

Modifier and Type	Method and Description
Coder<?>	create(java.util.List<? extends Coder<?>> typeArgumentCoders) Returns the default Coder to use for values of a particular type, given the Coders for each of the type's generic parameter types.
java.util.List<java.lang.Object>	getInstanceComponents(java.lang.Object value) Returns a list of objects contained in value, one per type argument, or null if none can be determined.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CoderRegistry.ConstantCoderFactory

public CoderRegistry.ConstantCoderFactory(Coder<?> coder)

Method Detail

create

public Coder<?> create(java.util.List<? extends Coder<?>> typeArgumentCoders)

Description copied from class: CoderRegistry.CoderFactory

Returns the default Coder to use for values of a particular type, given the Coders for each of the type's generic parameter types. May return null if no default Coder can be created.

Specified by:

create in class CoderRegistry.CoderFactory

getInstanceComponents

public java.util.List<java.lang.Object> getInstanceComponents(java.lang.Object value)

Description copied from class: CoderRegistry.CoderFactory

Returns a list of objects contained in value, one per type argument, or null if none can be determined.

Specified by:

getInstanceComponents in class CoderRegistry.CoderFactory