eu.stratosphere.core.testing

Class RecordKeyExtractor

java.lang.Object

eu.stratosphere.core.testing.RecordKeyExtractor

All Implemented Interfaces:

KeyExtractor<eu.stratosphere.types.Record>

public class RecordKeyExtractor
extends Object
implements KeyExtractor<eu.stratosphere.types.Record>

Constructor Summary

Constructors

Constructor and Description
RecordKeyExtractor(it.unimi.dsi.fastutil.ints.IntList indices, List<Class<? extends eu.stratosphere.types.Key>> keyClasses) Initializes RecordKeyExtractor.

Method Summary

Methods

Modifier and Type	Method and Description
void	fill(Comparable<?>[] keys, eu.stratosphere.types.Record record) Copies the keys from the given record into the provided keys array.s
it.unimi.dsi.fastutil.ints.IntList	getIndices() Returns the indices.
List<Class<? extends eu.stratosphere.types.Key>>	getKeyClasses() Returns the keyClasses.
int	getNumKeys()
void	removeKey(int schemaIndex)

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordKeyExtractor

public RecordKeyExtractor(it.unimi.dsi.fastutil.ints.IntList indices,
                  List<Class<? extends eu.stratosphere.types.Key>> keyClasses)

Initializes RecordKeyExtractor.

Method Detail

fill

public void fill(Comparable<?>[] keys,
        eu.stratosphere.types.Record record)

Description copied from interface: KeyExtractor

Copies the keys from the given record into the provided keys array.s

Specified by:

fill in interface KeyExtractor<eu.stratosphere.types.Record>

getIndices

public it.unimi.dsi.fastutil.ints.IntList getIndices()

Returns the indices.

Returns:

the indices

getKeyClasses

public List<Class<? extends eu.stratosphere.types.Key>> getKeyClasses()

Returns the keyClasses.

Returns:

the keyClasses

getNumKeys

public int getNumKeys()

Specified by:

getNumKeys in interface KeyExtractor<eu.stratosphere.types.Record>

Returns:

the number of keys

removeKey

public void removeKey(int schemaIndex)