org.ujorm.orm.ao
Class CacheKey

java.lang.Object
  org.ujorm.orm.ao.CacheKey

public abstract class CacheKey
extends Object

UJO CacheKey

See Also:

MetaParams

Constructor Summary

CacheKey()

Method Summary

boolean	equals(Object obj) Has the two objects the same PK values ?
abstract Class	getType() OrmUjo class
abstract Object	getValue(int index) Returns a PK on the selected index.
int	hashCode() Returns hash code
static CacheKey	newInstance(Class type, Object... pks) Constructor for many keys
static CacheKey	newInstance(Class type, Object pk) Constructor for one keyk
static CacheKey	newInstance(OrmUjo bo, MetaPKey pkey) Constructor for the OrmUjo
abstract int	size() Count of PKs

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheKey

public CacheKey()

Method Detail

size

public abstract int size()

Count of PKs

getValue

public abstract Object getValue(int index)

Returns a PK on the selected index. PK must not be null.

getType

public abstract Class getType()

OrmUjo class

equals

public boolean equals(Object obj)

Has the two objects the same PK values ?

Overrides:

equals in class Object

hashCode

public int hashCode()

Returns hash code

Overrides:

hashCode in class Object

newInstance

public static CacheKey newInstance(OrmUjo bo,
                                   MetaPKey pkey)

Constructor for the OrmUjo

newInstance

public static CacheKey newInstance(Class type,
                                   Object pk)

Constructor for one keyk

newInstance

public static CacheKey newInstance(Class type,
                                   Object... pks)

Constructor for many keys