org.apache.beam.sdk.io.snowflake

Class SnowflakeIO.Concatenate

java.lang.Object

org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.String,java.util.List<java.lang.String>,java.util.List<java.lang.String>>

org.apache.beam.sdk.io.snowflake.SnowflakeIO.Concatenate

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<java.lang.String,java.util.List<java.lang.String>,java.util.List<java.lang.String>>, org.apache.beam.sdk.transforms.display.HasDisplayData

Enclosing class:

SnowflakeIO

public static class SnowflakeIO.Concatenate
extends org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.String,java.util.List<java.lang.String>,java.util.List<java.lang.String>>

Combines list of String to provide one String with paths where files were staged for write.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Concatenate()

Method Summary

Modifier and Type	Method and Description
java.util.List<java.lang.String>	addInput(java.util.List<java.lang.String> mutableAccumulator, java.lang.String input)
java.util.List<java.lang.String>	createAccumulator()
java.util.List<java.lang.String>	extractOutput(java.util.List<java.lang.String> accumulator)
java.util.List<java.lang.String>	mergeAccumulators(java.lang.Iterable<java.util.List<java.lang.String>> accumulators)

Methods inherited from class org.apache.beam.sdk.transforms.Combine.CombineFn

apply, compact, defaultValue, getInputType, getOutputType

Methods inherited from class java.lang.Object

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

Constructor Detail

Concatenate

public Concatenate()

Method Detail

createAccumulator

public java.util.List<java.lang.String> createAccumulator()

Specified by:

createAccumulator in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.String,java.util.List<java.lang.String>,java.util.List<java.lang.String>>

addInput

public java.util.List<java.lang.String> addInput(java.util.List<java.lang.String> mutableAccumulator,
                                                 java.lang.String input)

Specified by:

addInput in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.String,java.util.List<java.lang.String>,java.util.List<java.lang.String>>

mergeAccumulators

public java.util.List<java.lang.String> mergeAccumulators(java.lang.Iterable<java.util.List<java.lang.String>> accumulators)

Specified by:

mergeAccumulators in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.String,java.util.List<java.lang.String>,java.util.List<java.lang.String>>

extractOutput

public java.util.List<java.lang.String> extractOutput(java.util.List<java.lang.String> accumulator)

Specified by:

extractOutput in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.String,java.util.List<java.lang.String>,java.util.List<java.lang.String>>