org.hibernate.cache.spi.support

Class AbstractReadWriteAccess.Item

java.lang.Object

org.hibernate.cache.spi.support.AbstractReadWriteAccess.Item

All Implemented Interfaces:

Serializable, AbstractReadWriteAccess.Lockable

Enclosing class:

AbstractReadWriteAccess

public static final class AbstractReadWriteAccess.Item
extends Object
implements Serializable, AbstractReadWriteAccess.Lockable

Wrapper type representing unlocked items.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
Object	getValue() Returns the enclosed value.
boolean	isReadable(long txTimestamp) Returns <code>true</code> if the enclosed value can be read by a transaction started at the given time.
boolean	isUnlockable(SoftLock lock) Returns <code>true</code> if the given lock can be unlocked using the given SoftLock instance as a handle.
boolean	isWriteable(long txTimestamp, Object newVersion, Comparator versionComparator) Returns <code>true</code> if the enclosed value can be replaced with one of the given version by a transaction started at the given time.
AbstractReadWriteAccess.SoftLockImpl	lock(long timeout, UUID uuid, long lockId) Locks this entry, stamping it with the UUID and lockId given, with the lock timeout occuring at the specified time.
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

isReadable

public boolean isReadable(long txTimestamp)

Description copied from interface: AbstractReadWriteAccess.Lockable

Returns <code>true</code> if the enclosed value can be read by a transaction started at the given time.

Specified by:

isReadable in interface AbstractReadWriteAccess.Lockable

isWriteable

public boolean isWriteable(long txTimestamp,
                           Object newVersion,
                           Comparator versionComparator)

Description copied from interface: AbstractReadWriteAccess.Lockable

Returns <code>true</code> if the enclosed value can be replaced with one of the given version by a transaction started at the given time.

Specified by:

isWriteable in interface AbstractReadWriteAccess.Lockable

getValue

public Object getValue()

Description copied from interface: AbstractReadWriteAccess.Lockable

Returns the enclosed value.

Specified by:

getValue in interface AbstractReadWriteAccess.Lockable

isUnlockable

public boolean isUnlockable(SoftLock lock)

Description copied from interface: AbstractReadWriteAccess.Lockable

Returns <code>true</code> if the given lock can be unlocked using the given SoftLock instance as a handle.

Specified by:

isUnlockable in interface AbstractReadWriteAccess.Lockable

lock

public AbstractReadWriteAccess.SoftLockImpl lock(long timeout,
                                                 UUID uuid,
                                                 long lockId)

Description copied from interface: AbstractReadWriteAccess.Lockable

Locks this entry, stamping it with the UUID and lockId given, with the lock timeout occuring at the specified time. The returned Lock object can be used to unlock the entry in the future.

Specified by:

lock in interface AbstractReadWriteAccess.Lockable

toString

public String toString()

Overrides:

toString in class Object