org.apache.derby.client.am

Class Agent

java.lang.Object

org.apache.derby.client.am.Agent

Direct Known Subclasses:

NetAgent

public abstract class Agent
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
SqlException	accumulatedReadExceptions_
private boolean[]	batchedExceptionGenerated_
private int	batchedExceptionLabelIndex_
(package private) Connection	connection_
(package private) CrossConverters	crossConverters_
(package private) SqlException	deferredException_
private boolean	enableBatchedExceptionTracking_
LogWriter	logWriter_
SectionManager	sectionManager_

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Agent(Connection connection, LogWriter logWriter)

Method Summary

Methods

Modifier and Type	Method and Description
void	accumulateChainBreakingReadExceptionAndThrow(DisconnectException e)
void	accumulateDeferredException(SqlException e)
void	accumulateDisconnectException(DisconnectException e)
void	accumulateReadException(SqlException e)
(package private) boolean	batchUpdateExceptionGenerated()
protected void	beginBatchedReadChain(Statement statement, int batchSize)
void	beginBatchedWriteChain(Statement statement)
protected void	beginReadChain(Statement statement)
protected void	beginReadChainOutsideUOW()
void	beginWriteChain(Statement statement)
void	beginWriteChainOutsideUOW()
abstract void	checkForChainBreakingException_()
(package private) void	checkForDeferredExceptions()
protected void	checkForExceptions()
void	checkForSupportedDataType(int dataType) Checks whether a data type is supported for setObject(int, Object, int) and setObject(int, Object, int, int).
abstract void	close_()
void	close()
(package private) void	disableBatchedExceptionTracking()
void	disconnectEvent()
private void	enableBatchedExceptionTracking(int batchSize)
void	endBatchedReadChain(long[] updateCounts, SqlException accumulatedExceptions)
protected void	endBatchedWriteChain()
void	endReadChain()
protected void	endWriteChain()
void	flow(Statement statement)
void	flowBatch(Statement statement, int batchSize)
void	flowOutsideUOW()
abstract void	flush_()
java.io.PrintWriter	getLogWriter()
private SqlException	labelAsBatchedException(SqlException e, int index)
boolean	loggingEnabled()
protected abstract void	markChainBreakingException_()
abstract LogWriter	newLogWriter_(java.io.PrintWriter printWriter, int traceLevel)
protected abstract void	resetAgent_(LogWriter logWriter, int loginTimeout, java.lang.String server, int port)
void	resetAgent(Connection connection, LogWriter logWriter, int loginTimeout, java.lang.String server, int port)
protected void	resetAgent(LogWriter logWriter)
void	setBatchedExceptionLabelIndex(int index)
void	setLogWriter(LogWriter logWriter)

Methods inherited from class java.lang.Object

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

Field Detail

accumulatedReadExceptions_

public SqlException accumulatedReadExceptions_

enableBatchedExceptionTracking_

private boolean enableBatchedExceptionTracking_

batchedExceptionLabelIndex_

private int batchedExceptionLabelIndex_

batchedExceptionGenerated_

private boolean[] batchedExceptionGenerated_

connection_

Connection connection_

sectionManager_

public SectionManager sectionManager_

logWriter_

public LogWriter logWriter_

crossConverters_

final CrossConverters crossConverters_

deferredException_

SqlException deferredException_

Constructor Detail

Agent

protected Agent(Connection connection,
     LogWriter logWriter)

Method Detail

checkForDeferredExceptions

void checkForDeferredExceptions()
                          throws SqlException

Throws:

SqlException

checkForSupportedDataType

public void checkForSupportedDataType(int dataType)
                               throws SqlException

Checks whether a data type is supported for setObject(int, Object, int) and setObject(int, Object, int, int).

Parameters:

dataType - the data type to check

Throws:

SqlException - if the type is not supported

accumulateDeferredException

public void accumulateDeferredException(SqlException e)

resetAgent

protected void resetAgent(LogWriter logWriter)

resetAgent

public void resetAgent(Connection connection,
              LogWriter logWriter,
              int loginTimeout,
              java.lang.String server,
              int port)
                throws SqlException

Throws:

SqlException

resetAgent_

protected abstract void resetAgent_(LogWriter logWriter,
               int loginTimeout,
               java.lang.String server,
               int port)
                             throws SqlException

Throws:

SqlException

loggingEnabled

public final boolean loggingEnabled()

setLogWriter

public final void setLogWriter(LogWriter logWriter)

getLogWriter

public final java.io.PrintWriter getLogWriter()

newLogWriter_

public abstract LogWriter newLogWriter_(java.io.PrintWriter printWriter,
                      int traceLevel)

accumulateReadException

public final void accumulateReadException(SqlException e)

accumulateDisconnectException

public final void accumulateDisconnectException(DisconnectException e)

accumulateChainBreakingReadExceptionAndThrow

public final void accumulateChainBreakingReadExceptionAndThrow(DisconnectException e)
                                                        throws DisconnectException

Throws:

DisconnectException

markChainBreakingException_

protected abstract void markChainBreakingException_()

checkForChainBreakingException_

public abstract void checkForChainBreakingException_()
                                              throws SqlException

Throws:

SqlException

enableBatchedExceptionTracking

private final void enableBatchedExceptionTracking(int batchSize)

disableBatchedExceptionTracking

final void disableBatchedExceptionTracking()

setBatchedExceptionLabelIndex

public final void setBatchedExceptionLabelIndex(int index)

labelAsBatchedException

private final SqlException labelAsBatchedException(SqlException e,
                                   int index)

checkForExceptions

protected final void checkForExceptions()
                                 throws SqlException

Throws:

SqlException

batchUpdateExceptionGenerated

final boolean batchUpdateExceptionGenerated()

flow

public final void flow(Statement statement)
                throws SqlException

Throws:

SqlException

flowBatch

public final void flowBatch(Statement statement,
             int batchSize)
                     throws SqlException

Throws:

SqlException

flowOutsideUOW

public final void flowOutsideUOW()
                          throws SqlException

Throws:

SqlException

flush_

public abstract void flush_()
                     throws DisconnectException

Throws:

DisconnectException

close_

public abstract void close_()
                     throws SqlException

Throws:

SqlException

close

public void close()
           throws SqlException

Throws:

SqlException

disconnectEvent

public final void disconnectEvent()

beginWriteChainOutsideUOW

public void beginWriteChainOutsideUOW()
                               throws SqlException

Throws:

SqlException

beginWriteChain

public void beginWriteChain(Statement statement)
                     throws SqlException

Throws:

SqlException

beginBatchedWriteChain

public final void beginBatchedWriteChain(Statement statement)
                                  throws SqlException

Throws:

SqlException

endWriteChain

protected void endWriteChain()

endBatchedWriteChain

protected final void endBatchedWriteChain()

beginReadChain

protected void beginReadChain(Statement statement)
                       throws SqlException

Throws:

SqlException

beginBatchedReadChain

protected final void beginBatchedReadChain(Statement statement,
                         int batchSize)
                                    throws SqlException

Throws:

SqlException

beginReadChainOutsideUOW

protected void beginReadChainOutsideUOW()
                                 throws SqlException

Throws:

SqlException

endReadChain

public void endReadChain()
                  throws SqlException

Throws:

SqlException

endBatchedReadChain

public final void endBatchedReadChain(long[] updateCounts,
                       SqlException accumulatedExceptions)
                               throws java.sql.BatchUpdateException

Throws:

java.sql.BatchUpdateException