oracle.pg.rdbms.index.jdbc.operators

Class FetchOnBufferReadJdbcIndexInput

java.lang.Object

org.apache.lucene.store.DataInput

org.apache.lucene.store.IndexInput

org.apache.lucene.store.ConfigurableBufferedIndexInput

oracle.pg.rdbms.index.jdbc.operators.JdbcBufferedIndexInput

oracle.pg.rdbms.index.jdbc.operators.FetchOnBufferReadJdbcIndexInput

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Cloneable, JdbcIndexConfigurable

public class FetchOnBufferReadJdbcIndexInput
extends JdbcBufferedIndexInput

An Oracle extension of Compass FetchOnBufferReadJdbcIndexInput class. This class will go and fetch the data from the database for every buffer refill.

Field Summary

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

BUFFER_SIZE_SETTING

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

BUFFER_SIZE

Constructor Summary

Constructors

Constructor and Description
FetchOnBufferReadJdbcIndexInput()

Method Summary

Modifier and Type	Method and Description
void	close() Closes the stream to further operations.
void	configure(java.lang.String name, OracleJdbcDirectory directory) Configures this object instance with the given name and OracleJdbcDirectory object.
long	length() Returns the number of bytes in the file

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

getSetting

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

clone, getBufferSize, getFilePointer, readByte, readBytes, seek, setBufferSize, slice

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

randomAccessSlice, toString

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

readBytes, readInt, readLong, readShort, readString, readStringSet, readStringStringMap, readVInt, readVLong, readZInt, readZLong, skipBytes

Methods inherited from class java.lang.Object

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

Constructor Detail

FetchOnBufferReadJdbcIndexInput

public FetchOnBufferReadJdbcIndexInput()

Method Detail

close

public void close()
           throws java.io.IOException

Closes the stream to further operations.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

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

Throws:

java.io.IOException

configure

public void configure(java.lang.String name,
                      OracleJdbcDirectory directory)
               throws java.io.IOException

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

Specified by:

configure in interface JdbcIndexConfigurable

Overrides:

configure in class JdbcBufferedIndexInput

Parameters:

name - the name of this IndexOutput object

directory - the OracleJdbcDirectory where the index is stored.

Throws:

java.io.IOException

length

public long length()

Returns the number of bytes in the file

Specified by:

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

Returns:

the number of bytes in the file