Package com.sleepycat.je.txn

Provides classes and interfaces for Transactions in JDB.

See:
Description

Interface Summary

Lock	A Lock embodies the lock state of a NodeId.

Class Summary

BasicLocker	A non-transactional Locker that simply tracks locks and releases them when releaseNonTxnLocks or operationEnd is called.
BuddyLocker	Extends BasicLocker to share locks with another specific locker.
DummyLockManager	DummyLockManager performs no locking for DS mode.
LatchedLockManager	LatchedLockManager uses latches to implement its critical sections.
LockAttemptResult	This is just a struct to hold a multi-value return.
LockConflict	LockConflict is a type safe enumeration of lock conflict types.
Locker	Locker instances are JE's route to locking and transactional support.
LockerFactory	Factory of static methods for creating Locker objects.
LockGrantType	LockGrantType is an enumeration of the possible results of a lock attempt.
LockImpl	A Lock embodies the lock state of a NodeId.
LockInfo	LockInfo is a class that embodies information about a lock instance.
LockManager	LockManager manages locks.
LockResult	This class is a container to encapsulate a LockGrantType and a WriteLockInfo so that they can both be returned from writeLock.
LockStatDefinition	Per-stat Metadata for JE lock statistics.
LockType	LockType is a type safe enumeration of all lock types.
LockUpgrade	LockUpgrade is a type safe enumeration of lock upgrade types.
PreparedTxn	A PreparedTxn is used at recovery for processing a TXN_PREPARE log entry.
ReadCommittedLocker	Extends BuddyLocker to acquire write locks using the buddy locker (the transaction locker).
RollbackEnd	This class indicates the end of a partial rollback at syncup.
RollbackStart	This class indicates the end of a partial rollback at syncup.
SyncedLockManager	SyncedLockManager uses the synchronized keyword to implement its critical sections.
ThinLockImpl	Implements a lightweight Lock with no waiters and only a single Owner.
ThreadLocker	Extends BasicLocker to share locks among all lockers for the same thread.
Txn	A Txn is the internal representation of a transaction created by a call to Environment.txnBegin.
TxnAbort	This class writes out a transaction commit or transaction end record.
TxnChain	TxnChain supports Txn.rollback(), which undoes the write operations for a given transaction to an arbitrary point.
TxnChain.RevertInfo
TxnCommit	This class writes out a transaction commit or transaction end record.
TxnEnd	This class writes out a transaction commit or transaction end record.
TxnManager	Class to manage transactions.
TxnPrepare	This class writes out a transaction prepare record.
UndoReader	Convenience class to package together the different steps and fields needed for reading a log entry for undoing.
WriteLockInfo

Package com.sleepycat.je.txn Description

Provides classes and interfaces for Transactions in JDB.

Package Specification

(None)