Java Doc for FetchPerTransactionJdbcIndexInput.java in  » Search-Engine » compass-2.0 » org » apache » lucene » store » jdbc » index » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Search Engine » compass 2.0 » org.apache.lucene.store.jdbc.index 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.lucene.store.jdbc.index.JdbcBufferedIndexInput
   org.apache.lucene.store.jdbc.index.FetchPerTransactionJdbcIndexInput

FetchPerTransactionJdbcIndexInput
public class FetchPerTransactionJdbcIndexInput extends JdbcBufferedIndexInput (Code)
Caches blobs per transaction. Only supported for dialects that supports blobs per transaction (see org.apache.lucene.store.jdbc.dialect.Dialect.supportTransactionalScopedBlobs .

Note, using this index input requires calling the FetchPerTransactionJdbcIndexInput.releaseBlobs(java.sql.Connection) when the transaction ends. It is automatically taken care of if using org.apache.lucene.store.jdbc.datasource.TransactionAwareDataSourceProxy . If using JTA for example, a transcation synchronization should be registered with JTA to clear the blobs.
author:
   kimchy





Method Summary
public  voidclose()
    
public  voidconfigure(String name, JdbcDirectory jdbcDirectory, JdbcFileEntrySettings settings)
    
public synchronized  longlength()
    
protected synchronized  voidreadInternal(byte[] b, int offset, int length)
    
protected  voidrefill()
    
public static  voidreleaseBlobs(Connection connection)
    
public static  voidreleaseBlobs(Connection connection, JdbcTable table, String name)
    
protected  voidseekInternal(long pos)
    



Method Detail
close
public void close() throws IOException(Code)



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



length
public synchronized long length()(Code)



readInternal
protected synchronized void readInternal(byte[] b, int offset, int length) throws IOException(Code)



refill
protected void refill() throws IOException(Code)



releaseBlobs
public static void releaseBlobs(Connection connection)(Code)



releaseBlobs
public static void releaseBlobs(Connection connection, JdbcTable table, String name)(Code)



seekInternal
protected void seekInternal(long pos) throws IOException(Code)



Fields inherited from org.apache.lucene.store.jdbc.index.JdbcBufferedIndexInput
final public static String BUFFER_SIZE_SETTING(Code)(Java Doc)

Methods inherited from org.apache.lucene.store.jdbc.index.JdbcBufferedIndexInput
public void configure(String name, JdbcDirectory jdbcDirectory, JdbcFileEntrySettings settings) throws IOException(Code)(Java Doc)

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