Package org.hibernate.cache.spi.support

Interface AbstractReadWriteAccess.Lockable

All Known Implementing Classes:
AbstractReadWriteAccess.Item, AbstractReadWriteAccess.SoftLockImpl
Enclosing class:
AbstractReadWriteAccess
public static interface AbstractReadWriteAccess.Lockable
Interface type implemented by all wrapper objects in the cache.

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    getValue()
    Returns the enclosed value.
    boolean
    isReadable(long txTimestamp)
    Returns true if the enclosed value can be read by a transaction started at the given time.
    boolean
    isUnlockable(SoftLock lock)
    Returns true if the given lock can be unlocked using the given SoftLock instance as a handle.
    boolean
    isWriteable(long txTimestamp, Object version, Comparator versionComparator)
    Returns true 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 occurring at the specified time.

  • Method Details

    • isReadable

      boolean isReadable(long txTimestamp)
      Returns true if the enclosed value can be read by a transaction started at the given time.

    • isWriteable

      boolean isWriteable(long txTimestamp, Object version, Comparator versionComparator)
      Returns true if the enclosed value can be replaced with one of the given version by a transaction started at the given time.

    • getValue

      Object getValue()
      Returns the enclosed value.

    • isUnlockable

      boolean isUnlockable(SoftLock lock)
      Returns true if the given lock can be unlocked using the given SoftLock instance as a handle.

    • lock

      AbstractReadWriteAccess.SoftLockImpl lock(long timeout, UUID uuid, long lockId)
      Locks this entry, stamping it with the UUID and lockId given, with the lock timeout occurring at the specified time. The returned Lock object can be used to unlock the entry in the future.