Package org.apache.wayang.spark.compiler

Class FunctionCompiler.KeyExtractor<T,K>

java.lang.Object

org.apache.wayang.spark.compiler.FunctionCompiler.KeyExtractor<T,K>

All Implemented Interfaces:

Serializable, org.apache.spark.api.java.function.PairFunction<T,K,T>, FunctionCompiler.WayangSparkFunction

Enclosing class:

FunctionCompiler

public static class FunctionCompiler.KeyExtractor<T,K>
extends Object
implements org.apache.spark.api.java.function.PairFunction<T,K,T>, FunctionCompiler.WayangSparkFunction

Spark function for building pair RDDs.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
KeyExtractor(Function<T,K> impl)

Method Summary

Modifier and Type	Method	Description
scala.Tuple2<K,T>	call(T t)
Object	getWayangFunction()

Methods inherited from class java.lang.Object

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

Constructor Details

KeyExtractor

public KeyExtractor(Function<T,K> impl)

Method Details

call

public scala.Tuple2<K,T> call(T t)
                       throws Exception

Specified by:

call in interface org.apache.spark.api.java.function.PairFunction<T,K,T>

Throws:

Exception

getWayangFunction

public Object getWayangFunction()

Specified by:

getWayangFunction in interface FunctionCompiler.WayangSparkFunction

Returns:

the original code object as has been defined in the Wayang API