Package com.sleepycat.je.txn

INTERNAL: Transaction management and locking (concurrency control).

See: Description

Class Summary

Class	Description
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 minimal locking and is used when EnvironmentConfig.ENV_IS_LOCKING is false.
HandleLocker	Extends BasicLocker to share locks with another Locker that is being used to open a database.
LockAttemptResult	This is just a struct to hold a multi-value return.
Locker	Locker instances are JE's route to locking and transactional support.
LockerFactory	Factory of static methods for creating Locker objects.
LockImpl	A Lock embodies the lock state of a LSN.
LockInfo	LockInfo is a class that embodies information about a lock instance.
LockManager	LockManager manages locks.
LockResult	LockResult is the return type of Locker.lock().
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	Transaction abort.
TxnChain	{@literal TxnChain supports "txn rollback", which undoes the write operations for a given txn to an arbitrary point.
TxnChain.CompareSlot	Compare two keys using the appropriate comparator.
TxnChain.RevertInfo
TxnCommit	Transaction commit.
TxnEnd	The base class for records that mark the end of a transaction.
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.
VersionedWriteTxnEnd	Based class for commit and abort records, which are replicated.
WriteLockInfo

Enum Summary

Enum	Description
LockGrantType	LockGrantType is an enumeration of the possible results of a lock attempt.

Package com.sleepycat.je.txn Description

INTERNAL: Transaction management and locking (concurrency control).