Package org.projectnessie.versioned.gc

Class IdentifyUnreferencedAssets.AssetFlatMapper<T,R extends AssetKey>

java.lang.Object

org.projectnessie.versioned.gc.IdentifyUnreferencedAssets.AssetFlatMapper<T,R>

All Implemented Interfaces:

Serializable, org.apache.spark.api.java.function.FlatMapFunction<CategorizedValue,IdentifyUnreferencedAssets.CategorizedAssetKey>

Enclosing class:

IdentifyUnreferencedAssets<T,R extends AssetKey>

public static class IdentifyUnreferencedAssets.AssetFlatMapper<T,R extends AssetKey>
extends Object
implements org.apache.spark.api.java.function.FlatMapFunction<CategorizedValue,IdentifyUnreferencedAssets.CategorizedAssetKey>

Spark flat map function to convert a value into an iterator of AssetKeys keeping their reference state.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
AssetFlatMapper(Serializer<T> valueWorker, Serializer<AssetKey> assetKeySerializer, AssetKeyConverter<T,R> assetKeyConverter)	Construct mapper.

Method Summary

Modifier and Type	Method	Description
Iterator<IdentifyUnreferencedAssets.CategorizedAssetKey>	call(CategorizedValue r)

Methods inherited from class java.lang.Object

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

Constructor Detail

AssetFlatMapper

public AssetFlatMapper(Serializer<T> valueWorker,
                       Serializer<AssetKey> assetKeySerializer,
                       AssetKeyConverter<T,R> assetKeyConverter)

Construct mapper.

Parameters:

valueWorker - serde for values and their asset keys.

assetKeySerializer - locate and serialize AssetKeys

assetKeyConverter - convert value of type T to its associated Asset Keys

Method Detail

call

public Iterator<IdentifyUnreferencedAssets.CategorizedAssetKey> call(CategorizedValue r)
                                                              throws Exception

Specified by:

call in interface org.apache.spark.api.java.function.FlatMapFunction<T,R extends AssetKey>

Throws:

Exception