org.openjdk.jmc.common.util

Class CompositeKey

java.lang.Object

org.openjdk.jmc.common.util.CompositeKey

public final class CompositeKey
extends java.lang.Object

A class that can be used to combine multiple objects as one key. Useful for example in maps.

Field Summary

Fields

Modifier and Type	Field and Description
private int	m_hashCode
private java.lang.Object[]	m_keys

Constructor Summary

Constructors

Constructor and Description
CompositeKey(java.lang.Object[] keys)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object that)
java.lang.Object[]	getKeyElements()
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Detail

m_hashCode

private final int m_hashCode

m_keys

private final java.lang.Object[] m_keys

Constructor Detail

CompositeKey

public CompositeKey(java.lang.Object[] keys)

Parameters:

keys - array of key objects

Method Detail

getKeyElements

public java.lang.Object[] getKeyElements()

Returns:

the array of key objects

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object that)

Overrides:

equals in class java.lang.Object