Uses of Package
com.bigdata.concurrent

Packages that use com.bigdata.concurrent

com.bigdata.concurrent	This package supports concurrency control using exclusive locks on resources.
com.bigdata.journal	The journal is an append-only persistence capable data structure supporting atomic commit, named indices, and transactions.

Classes in com.bigdata.concurrent used by com.bigdata.concurrent

DeadlockException
An instance of this exception is thrown when the lock requests of two or more transactions form a deadlock.

FutureTaskMon
This is a flyweight utility class to be used as a direct replacement for FutureTask in code where we may need to be able to discover the root cancel request causing an interrupt.

LockManager
Deprecated. This implementation manages locks in terms of threads. A thread is required in order for a task to contend for its locks. This places a strain on the thread scheduler.

NonBlockingLockManager.LockFutureTask
FutureTask which executes once it holds its locks.

NonBlockingLockManager.RunState
Run states for the NonBlockingLockManager.

NonBlockingLockManagerWithNewDesign
This class coordinates a schedule among concurrent operations requiring exclusive access to shared resources.

NonBlockingLockManagerWithNewDesign.LockFutureTask
FutureTask which executes once it holds its locks.

NonBlockingLockManagerWithNewDesign.StatisticsTask
Class for tracking the average queue size of each ResourceQueue and various other moving averages for the service as a whole.

TxDag
Directed Acyclic Graph (DAG) for detecting and preventing deadlocks in a concurrent programming system.

TxDag.Edge
A representation of an edge in the DAG used for export of information to the caller.

Classes in com.bigdata.concurrent used by com.bigdata.journal

NonBlockingLockManagerWithNewDesign
This class coordinates a schedule among concurrent operations requiring exclusive access to shared resources.