org.elasticsearch.common.lucene.store
Class SwitchDirectory

java.lang.Object
  org.apache.lucene.store.Directory
      org.elasticsearch.common.lucene.store.SwitchDirectory

All Implemented Interfaces:

Closeable, ForceSyncDirectory

public class SwitchDirectory
extends org.apache.lucene.store.Directory
implements ForceSyncDirectory

A Directory instance that switches files between two other Directory instances.

Files with the specified extensions are placed in the primary directory; others are placed in the secondary directory.

Field Summary

Fields inherited from class org.apache.lucene.store.Directory

isOpen, lockFactory

Constructor Summary

SwitchDirectory(Set<String> primaryExtensions, org.apache.lucene.store.Directory primaryDir, org.apache.lucene.store.Directory secondaryDir, boolean doClose)

Method Summary

void	close()
org.apache.lucene.store.IndexOutput	createOutput(String name)
void	deleteFile(String name)
boolean	fileExists(String name)
long	fileLength(String name)
long	fileModified(String name)
void	forceSync(String name) Similar to Directory.sync(String) but forces it even if its disabled.
static String	getExtension(String name) Utility method to return a file's extension.
String[]	listAll()
org.apache.lucene.store.IndexInput	openInput(String name)
org.apache.lucene.store.Directory	primaryDir() Return the primary directory
com.google.common.collect.ImmutableSet<String>	primaryExtensions()
org.apache.lucene.store.Directory	secondaryDir() Return the secondary directory
void	sync(Collection<String> names)
void	sync(String name)
void	touchFile(String name)

Methods inherited from class org.apache.lucene.store.Directory

clearLock, copy, copy, ensureOpen, getLockFactory, getLockID, makeLock, openInput, setLockFactory, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SwitchDirectory

public SwitchDirectory(Set<String> primaryExtensions,
                       org.apache.lucene.store.Directory primaryDir,
                       org.apache.lucene.store.Directory secondaryDir,
                       boolean doClose)

Method Detail

primaryExtensions

public com.google.common.collect.ImmutableSet<String> primaryExtensions()

primaryDir

public org.apache.lucene.store.Directory primaryDir()

Return the primary directory

secondaryDir

public org.apache.lucene.store.Directory secondaryDir()

Return the secondary directory

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in class org.apache.lucene.store.Directory

Throws:

IOException

listAll

public String[] listAll()
                 throws IOException

Specified by:

listAll in class org.apache.lucene.store.Directory

Throws:

IOException

getExtension

public static String getExtension(String name)

Utility method to return a file's extension.

fileExists

public boolean fileExists(String name)
                   throws IOException

Specified by:

fileExists in class org.apache.lucene.store.Directory

Throws:

IOException

fileModified

public long fileModified(String name)
                  throws IOException

Specified by:

fileModified in class org.apache.lucene.store.Directory

Throws:

IOException

touchFile

public void touchFile(String name)
               throws IOException

Specified by:

touchFile in class org.apache.lucene.store.Directory

Throws:

IOException

deleteFile

public void deleteFile(String name)
                throws IOException

Specified by:

deleteFile in class org.apache.lucene.store.Directory

Throws:

IOException

fileLength

public long fileLength(String name)
                throws IOException

Specified by:

fileLength in class org.apache.lucene.store.Directory

Throws:

IOException

createOutput

public org.apache.lucene.store.IndexOutput createOutput(String name)
                                                 throws IOException

Specified by:

createOutput in class org.apache.lucene.store.Directory

Throws:

IOException

sync

public void sync(Collection<String> names)
          throws IOException

Overrides:

sync in class org.apache.lucene.store.Directory

Throws:

IOException

sync

public void sync(String name)
          throws IOException

Overrides:

sync in class org.apache.lucene.store.Directory

Throws:

IOException

forceSync

public void forceSync(String name)
               throws IOException

Description copied from interface: ForceSyncDirectory

Similar to Directory.sync(String) but forces it even if its disabled.

Specified by:

forceSync in interface ForceSyncDirectory

Throws:

IOException

openInput

public org.apache.lucene.store.IndexInput openInput(String name)
                                             throws IOException

Specified by:

openInput in class org.apache.lucene.store.Directory

Throws:

IOException