Package org.elasticsearch.indices.recovery

Class MultiFileWriter

java.lang.Object

org.elasticsearch.indices.recovery.MultiFileWriter

All Implemented Interfaces:

Closeable, AutoCloseable, Releasable

public class MultiFileWriter
extends Object
implements Releasable

Constructor Summary

Constructors

Constructor	Description
MultiFileWriter(Store store, RecoveryState.Index indexState, String tempFilePrefix, org.apache.logging.log4j.Logger logger, Runnable ensureOpen)

Method Summary

Modifier and Type	Method	Description
void	close()
IndexOutput	getOpenIndexOutput(String key)
IndexOutput	openAndPutIndexOutput(String fileName, StoreFileMetaData metaData, Store store)	Creates an IndexOutput for the given file name.
IndexOutput	removeOpenIndexOutputs(String name)	remove and IndexOutput for a given file.
void	renameAllTempFiles()	renames all temporary files to their true name, potentially overriding existing files
void	writeFileChunk(StoreFileMetaData fileMetaData, long position, BytesReference content, boolean lastChunk)

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiFileWriter

public MultiFileWriter(Store store,
                       RecoveryState.Index indexState,
                       String tempFilePrefix,
                       org.apache.logging.log4j.Logger logger,
                       Runnable ensureOpen)

Method Detail

writeFileChunk

public void writeFileChunk(StoreFileMetaData fileMetaData,
                           long position,
                           BytesReference content,
                           boolean lastChunk)
                    throws IOException

Throws:

IOException

getOpenIndexOutput

public IndexOutput getOpenIndexOutput(String key)

removeOpenIndexOutputs

public IndexOutput removeOpenIndexOutputs(String name)

remove and IndexOutput for a given file. It is the caller's responsibility to close it

openAndPutIndexOutput

public IndexOutput openAndPutIndexOutput(String fileName,
                                         StoreFileMetaData metaData,
                                         Store store)
                                  throws IOException

Creates an IndexOutput for the given file name. Note that the IndexOutput actually point at a temporary file.

Note: You can use getOpenIndexOutput(String) with the same filename to retrieve the same IndexOutput at a later stage

Throws:

IOException

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface Releasable

renameAllTempFiles

public void renameAllTempFiles()
                        throws IOException

renames all temporary files to their true name, potentially overriding existing files

Throws:

IOException