org.apache.solr.store.blockcache

Class ReusedBufferedIndexOutput

java.lang.Object

org.apache.lucene.store.DataOutput

org.apache.lucene.store.IndexOutput

org.apache.solr.store.blockcache.ReusedBufferedIndexOutput

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

CachedIndexOutput

public abstract class ReusedBufferedIndexOutput
extends IndexOutput

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields

Modifier and Type	Field and Description
protected byte[]	buffer
static int	BUFFER_SIZE

Constructor Summary

Constructors

Constructor and Description
ReusedBufferedIndexOutput(String resourceDescription, String name)
ReusedBufferedIndexOutput(String resourceDescription, String name, int bufferSize)

Method Summary

Modifier and Type	Method and Description
void	close()
protected abstract void	closeInternal()
protected void	flushBufferToCache() Write the buffered bytes to cache
protected long	getBufferStart()
long	getFilePointer()
void	writeByte(byte b)
void	writeBytes(byte[] b, int offset, int length)
protected abstract void	writeInternal(byte[] b, int offset, int length) Expert: implements buffer flushing to cache.

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

getChecksum, getName, toString

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

copyBytes, writeBytes, writeInt, writeLong, writeMapOfStrings, writeSetOfStrings, writeShort, writeString, writeVInt, writeVLong, writeZInt, writeZLong

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

public static final int BUFFER_SIZE

See Also:

Constant Field Values

buffer

protected byte[] buffer

Constructor Detail

ReusedBufferedIndexOutput

public ReusedBufferedIndexOutput(String resourceDescription,
                                 String name)

ReusedBufferedIndexOutput

public ReusedBufferedIndexOutput(String resourceDescription,
                                 String name,
                                 int bufferSize)

Method Detail

getBufferStart

protected long getBufferStart()

flushBufferToCache

protected void flushBufferToCache()
                           throws IOException

Write the buffered bytes to cache

Throws:

IOException

closeInternal

protected abstract void closeInternal()
                               throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class IndexOutput

Throws:

IOException

getFilePointer

public long getFilePointer()

Specified by:

getFilePointer in class IndexOutput

writeByte

public void writeByte(byte b)
               throws IOException

Specified by:

writeByte in class DataOutput

Throws:

IOException

writeInternal

protected abstract void writeInternal(byte[] b,
                                      int offset,
                                      int length)
                               throws IOException

Expert: implements buffer flushing to cache. Writes bytes to the current position in the output.

Parameters:

b - the array of bytes to write

offset - the offset in the array of bytes to write

length - the number of bytes to write

Throws:

IOException

writeBytes

public void writeBytes(byte[] b,
                       int offset,
                       int length)
                throws IOException

Specified by:

writeBytes in class DataOutput

Throws:

IOException