org.apache.openjpa.util
Class DelayedHashSetProxy

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractSet<E>
          java.util.HashSet
              org.apache.openjpa.util.DelayedHashSetProxy

All Implemented Interfaces:

Serializable, Cloneable, Iterable, Collection, Set, DelayedProxy, Proxy, ProxyCollection

public class DelayedHashSetProxy
extends HashSet
implements DelayedProxy, ProxyCollection

HashSet proxy with delay loading capability. Allows non-indexed add and remove operations to occur on an unloaded collection. Operations that require a load will trigger a load.

See Also:

Serialized Form

Constructor Summary

DelayedHashSetProxy()

DelayedHashSetProxy(Collection<?> paramCollection)

DelayedHashSetProxy(int paramInt)

DelayedHashSetProxy(int paramInt, float paramFloat)

Method Summary

boolean	add(Object paramObject)
boolean	addAll(Collection paramCollection)
void	clear()
Object	clone()
void	closeBroker() Close the broker that is used to service this proxy.
boolean	contains(Object o)
boolean	containsAll(Collection c)
Object	copy(Object paramObject) Return an unproxied copy of the given instance.
boolean	equals(Object paramObject)
Broker	getBroker() Get the broker that is used to service this proxy.
BrokerFactory	getBrokerFactory()
ChangeTracker	getChangeTracker() Return the change tracker for this proxy, or null if none.
int	getDelayedField() Returns the expected field index even if this collection was detached.
OpenJPAStateManager	getDelayedOwner() Returns a state manager that can service this proxy even if the collection was detached.
Class	getElementType() The collection element type.
OpenJPAStateManager	getOwner() Return the owning object.
int	getOwnerField() Return the owning field index.
OpenJPAStateManager	getOwnerStateManager() Returns the state manager of the owning instance.
int	hashCode()
boolean	isDelayLoad()
boolean	isDetached() Returns whether the proxy is detached.
boolean	isDirectAccess() Returns whether the caller has direct-call access to the proxied object.
boolean	isEmpty()
Iterator	iterator()
void	load() Load the proxy if it was delay-loaded.
ProxyCollection	newInstance(Class paramClass, Comparator paramComparator, boolean paramBoolean1, boolean paramBoolean2) Create a new instance of this proxy type.
boolean	remove(Object paramObject)
boolean	removeAll(Collection paramCollection)
boolean	retainAll(Collection paramCollection)
protected void	setChangeTracker(CollectionChangeTracker ct)
void	setDirectAccess(boolean direct) Sets whether the caller has direct-call access to the proxied object.
protected void	setElementType(Class<?> elemType)
void	setOwner(OpenJPAStateManager paramOpenJPAStateManager, int paramInt) Reset the state of the proxy, and set the owning instance of the proxy and the name of the field it is assigned to.
int	size()
Object[]	toArray()
Object[]	toArray(Object[] a)
String	toString()
protected Object	writeReplace()

Methods inherited from class java.lang.Object

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

Constructor Detail

DelayedHashSetProxy

public DelayedHashSetProxy(Collection<?> paramCollection)

DelayedHashSetProxy

public DelayedHashSetProxy(int paramInt,
                           float paramFloat)

DelayedHashSetProxy

public DelayedHashSetProxy(int paramInt)

DelayedHashSetProxy

public DelayedHashSetProxy()

Method Detail

setOwner

public void setOwner(OpenJPAStateManager paramOpenJPAStateManager,
                     int paramInt)

Description copied from interface: Proxy

Reset the state of the proxy, and set the owning instance of the proxy and the name of the field it is assigned to. Set to null to indicate that the proxy is no longer managed.

Specified by:

setOwner in interface Proxy

getOwner

public OpenJPAStateManager getOwner()

Description copied from interface: Proxy

Return the owning object.

Specified by:

getOwner in interface Proxy

getOwnerField

public int getOwnerField()

Description copied from interface: Proxy

Return the owning field index.

Specified by:

getOwnerField in interface Proxy

getChangeTracker

public ChangeTracker getChangeTracker()

Description copied from interface: Proxy

Return the change tracker for this proxy, or null if none.

Specified by:

getChangeTracker in interface Proxy

setChangeTracker

protected void setChangeTracker(CollectionChangeTracker ct)

copy

public Object copy(Object paramObject)

Description copied from interface: Proxy

Return an unproxied copy of the given instance. This method is used by proxy managers to create backup values for use in rollback.

Specified by:

copy in interface Proxy

getElementType

public Class getElementType()

Description copied from interface: ProxyCollection

The collection element type.

Specified by:

getElementType in interface ProxyCollection

setElementType

protected void setElementType(Class<?> elemType)

newInstance

public ProxyCollection newInstance(Class paramClass,
                                   Comparator paramComparator,
                                   boolean paramBoolean1,
                                   boolean paramBoolean2)

Description copied from interface: ProxyCollection

Create a new instance of this proxy type.

Specified by:

newInstance in interface ProxyCollection

clone

public Object clone()

Overrides:

clone in class HashSet

add

public boolean add(Object paramObject)

Specified by:

add in interface Collection

Specified by:

add in interface Set

Overrides:

add in class HashSet

clear

public void clear()

Specified by:

clear in interface Collection

Specified by:

clear in interface Set

Overrides:

clear in class HashSet

iterator

public Iterator iterator()

Specified by:

iterator in interface Iterable

Specified by:

iterator in interface Collection

Specified by:

iterator in interface Set

Overrides:

iterator in class HashSet

remove

public boolean remove(Object paramObject)

Specified by:

remove in interface Collection

Specified by:

remove in interface Set

Overrides:

remove in class HashSet

removeAll

public boolean removeAll(Collection paramCollection)

Specified by:

removeAll in interface Collection

Specified by:

removeAll in interface Set

Overrides:

removeAll in class AbstractSet

addAll

public boolean addAll(Collection paramCollection)

Specified by:

addAll in interface Collection

Specified by:

addAll in interface Set

Overrides:

addAll in class AbstractCollection

retainAll

public boolean retainAll(Collection paramCollection)

Specified by:

retainAll in interface Collection

Specified by:

retainAll in interface Set

Overrides:

retainAll in class AbstractCollection

writeReplace

protected Object writeReplace()
                       throws ObjectStreamException

Throws:

ObjectStreamException

size

public int size()

Specified by:

size in interface Collection

Specified by:

size in interface Set

Overrides:

size in class HashSet

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection

Specified by:

isEmpty in interface Set

Overrides:

isEmpty in class HashSet

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection

Specified by:

contains in interface Set

Overrides:

contains in class HashSet

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection

Specified by:

toArray in interface Set

Overrides:

toArray in class AbstractCollection

toArray

public Object[] toArray(Object[] a)

Specified by:

toArray in interface Collection

Specified by:

toArray in interface Set

Overrides:

toArray in class AbstractCollection

containsAll

public boolean containsAll(Collection c)

Specified by:

containsAll in interface Collection

Specified by:

containsAll in interface Set

Overrides:

containsAll in class AbstractCollection

toString

public String toString()

Overrides:

toString in class AbstractCollection

equals

public boolean equals(Object paramObject)

Specified by:

equals in interface Collection

Specified by:

equals in interface Set

Overrides:

equals in class AbstractSet

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection

Specified by:

hashCode in interface Set

Overrides:

hashCode in class AbstractSet

getDelayedField

public int getDelayedField()

Description copied from interface: DelayedProxy

Returns the expected field index even if this collection was detached.

Specified by:

getDelayedField in interface DelayedProxy

getDelayedOwner

public OpenJPAStateManager getDelayedOwner()

Description copied from interface: DelayedProxy

Returns a state manager that can service this proxy even if the collection was detached.

Specified by:

getDelayedOwner in interface DelayedProxy

isDirectAccess

public boolean isDirectAccess()

Description copied from interface: DelayedProxy

Returns whether the caller has direct-call access to the proxied object. Direct access allows calls to be made on the object without triggering a load or proxy state tracking callbacks.

Specified by:

isDirectAccess in interface DelayedProxy

setDirectAccess

public void setDirectAccess(boolean direct)

Description copied from interface: DelayedProxy

Sets whether the caller has direct-call access to the proxied object. Direct access allows calls to be made on the object without triggering a load or proxy state tracking callbacks.

Specified by:

setDirectAccess in interface DelayedProxy

getBrokerFactory

public BrokerFactory getBrokerFactory()

load

public void load()

Description copied from interface: DelayedProxy

Load the proxy if it was delay-loaded.

Specified by:

load in interface DelayedProxy

getBroker

public Broker getBroker()

Description copied from interface: DelayedProxy

Get the broker that is used to service this proxy.

Specified by:

getBroker in interface DelayedProxy

closeBroker

public void closeBroker()

Description copied from interface: DelayedProxy

Close the broker that is used to service this proxy.

Specified by:

closeBroker in interface DelayedProxy

getOwnerStateManager

public OpenJPAStateManager getOwnerStateManager()

Description copied from interface: DelayedProxy

Returns the state manager of the owning instance.

Specified by:

getOwnerStateManager in interface DelayedProxy

isDetached

public boolean isDetached()

Description copied from interface: DelayedProxy

Returns whether the proxy is detached.

Specified by:

isDetached in interface DelayedProxy

isDelayLoad

public boolean isDelayLoad()