com.google.cloud.dataflow.sdk.transforms

Class Max.MaxIntegerFn

java.lang.Object

com.google.cloud.dataflow.sdk.transforms.Combine.CombineFn<V,Combine.Holder<V>,V>

com.google.cloud.dataflow.sdk.transforms.Combine.BinaryCombineFn<T>

com.google.cloud.dataflow.sdk.transforms.Max.MaxFn<Integer>

com.google.cloud.dataflow.sdk.transforms.Max.MaxIntegerFn

All Implemented Interfaces:

CombineFnBase.GlobalCombineFn<Integer,Combine.Holder<Integer>,Integer>, com.google.cloud.dataflow.sdk.util.common.CounterProvider<Integer>, Serializable

Enclosing class:

Max

public static class Max.MaxIntegerFn
extends Max.MaxFn<Integer>
implements com.google.cloud.dataflow.sdk.util.common.CounterProvider<Integer>

A CombineFn that computes the maximum of a collection of Integers, useful as an argument to Combine.globally(com.google.cloud.dataflow.sdk.transforms.SerializableFunction<java.lang.Iterable<V>, V>) or Combine.perKey(com.google.cloud.dataflow.sdk.transforms.SerializableFunction<java.lang.Iterable<V>, V>).

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MaxIntegerFn()

Method Summary

Modifier and Type	Method and Description
TypeVariable<?>	getAccumTVariable() Returns the TypeVariable of AccumT.
com.google.cloud.dataflow.sdk.util.common.Counter<Integer>	getCounter(String name)
String	getIncompatibleGlobalWindowErrorMessage() Returns the error message for not supported default values in Combine.globally().
TypeVariable<?>	getInputTVariable() Returns the TypeVariable of InputT.
TypeVariable<?>	getOutputTVariable() Returns the TypeVariable of OutputT.

Methods inherited from class com.google.cloud.dataflow.sdk.transforms.Max.MaxFn

apply, identity, naturalOrder, naturalOrder, of, of

Methods inherited from class com.google.cloud.dataflow.sdk.transforms.Combine.BinaryCombineFn

addInput, createAccumulator, extractOutput, getAccumulatorCoder, getDefaultOutputCoder, mergeAccumulators

Methods inherited from class com.google.cloud.dataflow.sdk.transforms.Combine.CombineFn

apply, asKeyedFn, compact, defaultValue, getOutputType

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxIntegerFn

public MaxIntegerFn()

Method Detail

getCounter

public com.google.cloud.dataflow.sdk.util.common.Counter<Integer> getCounter(String name)

Specified by:

getCounter in interface com.google.cloud.dataflow.sdk.util.common.CounterProvider<Integer>

getIncompatibleGlobalWindowErrorMessage

public String getIncompatibleGlobalWindowErrorMessage()

Description copied from interface: CombineFnBase.GlobalCombineFn

Returns the error message for not supported default values in Combine.globally().

Specified by:

getIncompatibleGlobalWindowErrorMessage in interface CombineFnBase.GlobalCombineFn<InputT,AccumT,OutputT>

getInputTVariable

public TypeVariable<?> getInputTVariable()

Returns the TypeVariable of InputT.

getAccumTVariable

public TypeVariable<?> getAccumTVariable()

Returns the TypeVariable of AccumT.

getOutputTVariable

public TypeVariable<?> getOutputTVariable()

Returns the TypeVariable of OutputT.