org.apache.lucene.store.jdbc.index
Class FileJdbcIndexOutput

java.lang.Object
  org.apache.lucene.store.IndexOutput
      org.apache.lucene.store.jdbc.index.JdbcBufferedIndexOutput
          org.apache.lucene.store.jdbc.index.FileJdbcIndexOutput

All Implemented Interfaces:

JdbcIndexConfigurable

public class FileJdbcIndexOutput
extends JdbcBufferedIndexOutput

An IndexOutput implemenation that writes all the data to a temporary file, and when closed, flushes the file to the database.

Usefull for large files that are known in advance to be larger then the acceptable threshold configured in RAMAndFileJdbcIndexOutput.

Author:

kimchy

Field Summary

Fields inherited from class org.apache.lucene.store.jdbc.index.JdbcBufferedIndexOutput

BUFFER_SIZE_SETTING, bufferSize, DEFAULT_BUFFER_SIZE

Constructor Summary

FileJdbcIndexOutput()

Method Summary

void	close() Closes this stream to further operations.
void	configure(String name, JdbcDirectory jdbcDirectory, JdbcFileEntrySettings settings) Configures the newly created IndexInput or IndexOutput implementations.
protected void	finalize()
void	flushBuffer(byte[] b, int size) output methods:
long	length() The number of bytes in the file.
void	seek(long pos) Random-access methods

Methods inherited from class org.apache.lucene.store.jdbc.index.JdbcBufferedIndexOutput

flush, getFilePointer, writeByte, writeBytes

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

writeChars, writeInt, writeLong, writeString, writeVInt, writeVLong

Methods inherited from class java.lang.Object

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

Constructor Detail

FileJdbcIndexOutput

public FileJdbcIndexOutput()

Method Detail

configure

public void configure(String name,
                      JdbcDirectory jdbcDirectory,
                      JdbcFileEntrySettings settings)
               throws IOException

Description copied from interface: JdbcIndexConfigurable

Configures the newly created IndexInput or IndexOutput implementations.

Specified by:

configure in interface JdbcIndexConfigurable

Overrides:

configure in class JdbcBufferedIndexOutput

Parameters:

name - The name of the file entry

jdbcDirectory - The jdbc directory instance

settings - The relevant file entry settings

Throws:

IOException

flushBuffer

public void flushBuffer(byte[] b,
                        int size)
                 throws IOException

output methods:

Specified by:

flushBuffer in class JdbcBufferedIndexOutput

Parameters:

b - the bytes to write

size - the number of bytes to write

Throws:

IOException

seek

public void seek(long pos)
          throws IOException

Random-access methods

Overrides:

seek in class JdbcBufferedIndexOutput

Throws:

IOException

See Also:

JdbcBufferedIndexOutput.getFilePointer()

length

public long length()
            throws IOException

Description copied from class: JdbcBufferedIndexOutput

The number of bytes in the file.

Specified by:

length in class JdbcBufferedIndexOutput

Throws:

IOException

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

close

public void close()
           throws IOException

Description copied from class: JdbcBufferedIndexOutput

Closes this stream to further operations.

Overrides:

close in class JdbcBufferedIndexOutput

Throws:

IOException