Class SingleInstanceLockFactory

  • public final class SingleInstanceLockFactory
    extends LockFactory
    Implements LockFactory for a single in-process instance, meaning all locking will take place through this one instance. Only use this LockFactory when you are certain all IndexWriters for a given index are running against a single shared in-process Directory instance.
    See Also:
    • Constructor Detail

      • SingleInstanceLockFactory

        public SingleInstanceLockFactory()
    • Method Detail

      • obtainLock

        public Lock obtainLock​(Directory dir,
                               String lockName)
                        throws IOException
        Description copied from class: LockFactory
        Return a new obtained Lock instance identified by lockName.
        Specified by:
        obtainLock in class LockFactory
        lockName - name of the lock to be created.
        LockObtainFailedException - (optional specific exception) if the lock could not be obtained because it is currently held elsewhere.
        IOException - if any i/o error occurs attempting to gain the lock