Package org.apache.lucene.store

Binary i/o API, used for all index data.

See: Description

Class Summary

Class	Description
BufferedIndexInput	Base implementation class for buffered IndexInput.
BufferedIndexOutput	Base implementation class for buffered IndexOutput.
Directory	A Directory is a flat list of files.
FSDirectory	Straightforward implementation of Directory as a directory of files.
IndexInput	Abstract base class for input from a file in a Directory.
IndexOutput	Abstract base class for output to a file in a Directory.
Lock	An interprocess mutex lock.
Lock.With	Utility class for executing code with exclusive access.
LockFactory	Base class for Locking implementation.
LockStressTest	Simple standalone tool that forever acquires & releases a lock using a specific LockFactory.
LockVerifyServer	Simple standalone server that must be running when you use VerifyingLockFactory.
MMapDirectory	File-based Directory implementation that uses mmap for input.
NativeFSLockFactory	Implements LockFactory using native OS file locks.
NoLockFactory	Use this LockFactory to disable locking entirely.
RAMDirectory	A memory-resident Directory implementation.
RAMOutputStream	A memory-resident IndexOutput implementation.
SimpleFSLockFactory	Implements LockFactory using File.createNewFile().
SingleInstanceLockFactory	Implements LockFactory for a single in-process instance, meaning all locking will take place through this one instance.
VerifyingLockFactory	A LockFactory that wraps another LockFactory and verifies that each lock obtain/release is "correct" (never results in two processes holding the lock at the same time).

Exception Summary

Exception	Description
AlreadyClosedException	This exception is thrown when there is an attempt to access something that has already been closed.
LockObtainFailedException	This exception is thrown when the write.lock could not be acquired.
LockReleaseFailedException	This exception is thrown when the write.lock could not be released.

Package org.apache.lucene.store Description

Binary i/o API, used for all index data.