oracle.pg.rdbms.index.jdbc.operators

Class FetchPerTransactionJdbcIndexInput

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.FetchPerTransactionJdbcIndexInput

All Implemented Interfaces:

Closeable, AutoCloseable, Cloneable, JdbcIndexConfigurable

public class FetchPerTransactionJdbcIndexInput
extends JdbcBufferedIndexInput

An Oracle extension of Compass FetchPerTransactionJdbcIndexInput class. This class caches blobs per transaction.

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
FetchPerTransactionJdbcIndexInput()

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closes the stream to further operations.
void	configure(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
static void	releaseBlobs(Connection connection) Releases all the Blob holders for the given connection
static void	releaseBlobs(Connection connection, String tableName, String name) Release the Blob holders for the given connection and table name

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

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

FetchPerTransactionJdbcIndexInput

public FetchPerTransactionJdbcIndexInput()

Method Detail

close

public void close()
           throws IOException

Closes the stream to further operations.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

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

Throws:

IOException

configure

public void configure(String name,
             OracleJdbcDirectory directory)
               throws 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:

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

releaseBlobs

public static void releaseBlobs(Connection connection)

Releases all the Blob holders for the given connection

Parameters:

connection - a connection to the database holding the files of the text index

releaseBlobs

public static void releaseBlobs(Connection connection,
                String tableName,
                String name)

Release the Blob holders for the given connection and table name

Parameters:

connection - a connection to the database holding the files of the text index

tableName - the table name of the JDBC Directory

name - the file name to remove