org.elasticsearch.common.compress
Class CompressedIndexOutput<T extends CompressorContext>

java.lang.Object
  org.apache.lucene.store.DataOutput
      org.apache.lucene.store.IndexOutput
          org.elasticsearch.common.compress.CompressedIndexOutput<T>

All Implemented Interfaces:

Closeable

Direct Known Subclasses:

LZFCompressedIndexOutput, SnappyCompressedIndexOutput

public abstract class CompressedIndexOutput<T extends CompressorContext>
extends org.apache.lucene.store.IndexOutput

Field Summary

protected T	context
protected byte[]	uncompressed
protected int	uncompressedLength

Constructor Summary

CompressedIndexOutput(org.apache.lucene.store.IndexOutput out, T context)

Method Summary

void	close()
protected abstract void	compress(byte[] data, int offset, int len, org.apache.lucene.store.IndexOutput out) Compresses the data into the output
void	copyBytes(org.apache.lucene.store.DataInput input, long length)
protected abstract void	doClose()
void	flush()
long	getFilePointer()
long	length()
void	seek(long pos)
org.apache.lucene.store.IndexOutput	underlying()
void	writeByte(byte b)
void	writeBytes(byte[] input, int offset, int length)
protected abstract void	writeHeader(org.apache.lucene.store.IndexOutput out)

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

setLength

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

writeBytes, writeChars, writeChars, writeInt, writeLong, writeShort, writeString, writeStringStringMap, writeVInt, writeVLong

Methods inherited from class java.lang.Object

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

Field Detail

context

protected final T extends CompressorContext context

uncompressed

protected byte[] uncompressed

uncompressedLength

protected int uncompressedLength

Constructor Detail

CompressedIndexOutput

public CompressedIndexOutput(org.apache.lucene.store.IndexOutput out,
                             T context)
                      throws IOException

Throws:

IOException

Method Detail

underlying

public org.apache.lucene.store.IndexOutput underlying()

writeByte

public void writeByte(byte b)
               throws IOException

Specified by:

writeByte in class org.apache.lucene.store.DataOutput

Throws:

IOException

writeBytes

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

Specified by:

writeBytes in class org.apache.lucene.store.DataOutput

Throws:

IOException

copyBytes

public void copyBytes(org.apache.lucene.store.DataInput input,
                      long length)
               throws IOException

Overrides:

copyBytes in class org.apache.lucene.store.DataOutput

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in class org.apache.lucene.store.IndexOutput

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

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

Throws:

IOException

doClose

protected abstract void doClose()
                         throws IOException

Throws:

IOException

getFilePointer

public long getFilePointer()

Specified by:

getFilePointer in class org.apache.lucene.store.IndexOutput

seek

public void seek(long pos)
          throws IOException

Specified by:

seek in class org.apache.lucene.store.IndexOutput

Throws:

IOException

length

public long length()
            throws IOException

Specified by:

length in class org.apache.lucene.store.IndexOutput

Throws:

IOException

writeHeader

protected abstract void writeHeader(org.apache.lucene.store.IndexOutput out)
                             throws IOException

Throws:

IOException

compress

protected abstract void compress(byte[] data,
                                 int offset,
                                 int len,
                                 org.apache.lucene.store.IndexOutput out)
                          throws IOException

Compresses the data into the output

Throws:

IOException