Package com.orientechnologies.common.concur.lock

Interface Summary

Interface	Description
OLock	Interface for locks.
OLockManager<T>	Lock Manager interface.
OReadWriteLock

Class Summary

Class	Description
OAbstractLock	Abstract Lock class.
OAdaptiveLock	Adaptive class to handle shared resources.
OComparableLockManager<T extends Comparable>
ODistributedCounter	* @author Andrey Lomakin (a.lomakin-at-orientechnologies.com)
OIndexOneEntryPerKeyLockManager<T>	Basically the same thing as OOneEntryPerKeyLockManager, but uses ConcurrentHashMap internally which has better memory footprint.
OOneEntryPerKeyLockManager<T>	Original Lock Manager implementation that uses a concurrent linked hash map to store one entry per key.
OPartitionedLockManager<T>	Lock manager implementation that uses multipel partitions to increase the level of concurrency without having to keep one entry per locked key, like for OOneEntryPerKeyLockManager implementation.
OReadersWriterSpinLock
OSimpleReadWriteLock

Enum Summary

Enum	Description
OComparableLockManager.LOCK
OOneEntryPerKeyLockManager.LOCK

Exception Summary

Exception	Description
OInterruptedException
OLockException
OModificationOperationProhibitedException	Exception is thrown in case DB is locked for modifications but modification request ist trying to be acquired.