org.eclipse.rdf4j.common.concurrent.locks

Interface ReadWriteLockManager

All Known Implementing Classes:

AbstractReadWriteLockManager, ReadPrefReadWriteLockManager, WritePrefReadWriteLockManager

public interface ReadWriteLockManager

A lock manager that manages a multi-read, single-write lock. This lock manager allows multiple read locks to be active at the same time. The write lock is exclusive, meaning that no other read- or write locks may be active at the same time.

Author:

Arjohn Kampman

Method Summary

Modifier and Type	Method and Description
Lock	getReadLock() Gets a read lock.
Lock	getWriteLock() Gets an exclusive write lock.
Lock	tryReadLock() Gets a read lock, if available.
Lock	tryWriteLock() Gets an exclusive write lock, if available.

Method Detail

tryReadLock

Lock tryReadLock()

Gets a read lock, if available. This method will return null if the read lock is not immediately available.

getReadLock

Lock getReadLock()
          throws InterruptedException

Gets a read lock. This method blocks until the read lock is available.

Throws:

InterruptedException - In case the thread requesting the lock was interrupted.

tryWriteLock

Lock tryWriteLock()

Gets an exclusive write lock, if available. This method will return null if the write lock is not immediately available.

getWriteLock

Lock getWriteLock()
           throws InterruptedException

Gets an exclusive write lock. This method blocks until the write lock is available.

Throws:

InterruptedException - In case the thread requesting the lock was interrupted.