com.hazelcast.core

Class PartitionAwareKey<K,P>

java.lang.Object

com.hazelcast.core.PartitionAwareKey<K,P>

Type Parameters:

K -

P -

All Implemented Interfaces:

PartitionAware<Object>, DataSerializable

public final class PartitionAwareKey<K,P>
extends Object
implements PartitionAware<Object>, DataSerializable

A PartitionAware key. This is useful in combination with a Map where you want to control the partition of a key.

Constructor Summary

Constructors

Constructor and Description
PartitionAwareKey(K key, P partitionKey) Creates a new PartitionAwareKey.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object thatObject)
K	getKey()
P	getPartitionKey() The key object that will be used by Hazelcast to specify the partition.
int	hashCode()
void	readData(ObjectDataInput in)
String	toString()
void	writeData(ObjectDataOutput out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

PartitionAwareKey

public PartitionAwareKey(K key,
                         P partitionKey)

Creates a new PartitionAwareKey.

Parameters:

key - the key

partitionKey - the partitionKey

Throws:

IllegalArgumentException - if key or partitionKey is null.

Method Detail

getKey

public K getKey()

getPartitionKey

public P getPartitionKey()

Description copied from interface: PartitionAware

The key object that will be used by Hazelcast to specify the partition. You should give the same key for objects that you want them to locate in the same partition.

Specified by:

getPartitionKey in interface PartitionAware<Object>

Returns:

partition key

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Specified by:

writeData in interface DataSerializable

Throws:

IOException

readData

public void readData(ObjectDataInput in)
              throws IOException

Specified by:

readData in interface DataSerializable

Throws:

IOException

equals

public boolean equals(Object thatObject)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object