oracle.pg.rdbms.index.jdbc.operators

Class RAMJdbcIndexOutput

java.lang.Object

org.apache.lucene.store.DataOutput

org.apache.lucene.store.IndexOutput

org.apache.lucene.store.ConfigurableBufferedIndexOutput

oracle.pg.rdbms.index.jdbc.operators.JdbcBufferedIndexOutput

oracle.pg.rdbms.index.jdbc.operators.AbstractJdbcIndexOutput

oracle.pg.rdbms.index.jdbc.operators.RAMJdbcIndexOutput

All Implemented Interfaces:

Closeable, AutoCloseable, JdbcIndexConfigurable

public class RAMJdbcIndexOutput
extends AbstractJdbcIndexOutput

An Oracle extension of Compass RAMJdbcIndexOutput class. This class implements an IndexOutput that stores all the data written to it in memory, and flushes it to the database when the output is closed.

Field Summary

Fields inherited from class oracle.pg.rdbms.index.jdbc.operators.JdbcBufferedIndexOutput

BUFFER_SIZE_SETTING

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

DEFAULT_BUFFER_SIZE

Constructor Summary

Constructors

Constructor and Description
RAMJdbcIndexOutput()

Method Summary

Methods

Modifier and Type	Method and Description
void	configure(String name, OracleJdbcDirectory jdbcDirectory) Configures this object instance with the given name and OracleJdbcDirectory object.
void	flushBuffer(byte[] src, int offset, int len) Flushes an array of bytes into the buffer
void	flushToIndexOutput(org.apache.lucene.store.IndexOutput indexOutput) Flush the contents of this stream into the specified IndexOutput
long	length() Returns he number of bytes in the file
void	seek(long pos) Sets the current position in this file, where the next write will occur

Methods inherited from class oracle.pg.rdbms.index.jdbc.operators.AbstractJdbcIndexOutput

close

Methods inherited from class oracle.pg.rdbms.index.jdbc.operators.JdbcBufferedIndexOutput

getSetting

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

flush, getChecksum, getFilePointer, writeByte, writeBytes

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

setLength

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

copyBytes, writeBytes, writeInt, writeLong, writeShort, writeString, writeStringSet, writeStringStringMap, writeVInt, writeVLong

Methods inherited from class java.lang.Object

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

Constructor Detail

RAMJdbcIndexOutput

public RAMJdbcIndexOutput()

Method Detail

configure

public void configure(String name,
             OracleJdbcDirectory jdbcDirectory)
               throws IOException

Configures this object instance with the given name and OracleJdbcDirectory object.

Specified by:

configure in interface JdbcIndexConfigurable

Overrides:

configure in class AbstractJdbcIndexOutput

Parameters:

name - the name of this IndexOutput object

jdbcDirectory - the OracleJdbcDirectory where the index is stored.

Throws:

IOException

flushBuffer

public void flushBuffer(byte[] src,
               int offset,
               int len)

Flushes an array of bytes into the buffer

Parameters:

src - the bytes to write

offset - the offset in the byte array

len - the number of bytes to write

flushToIndexOutput

public void flushToIndexOutput(org.apache.lucene.store.IndexOutput indexOutput)
                        throws IOException

Flush the contents of this stream into the specified IndexOutput

Parameters:

indexOutput - an IndexOutput object.

Throws:

IOException

length

public long length()

Returns he number of bytes in the file

Specified by:

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

Returns:

the number of bytes in the file

Throws:

IOException

seek

public void seek(long pos)
          throws IOException

Sets the current position in this file, where the next write will occur

Overrides:

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

Throws:

IOException

See Also:

ConfigurableBufferedIndexOutput.getFilePointer()