Package 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	Description
(package private) SqlException	accumulatedReadExceptions_
private boolean[]	batchedExceptionGenerated_
private int	batchedExceptionLabelIndex_
(package private) ClientConnection	connection_
(package private) CrossConverters	crossConverters_
private SqlException	deferredException_
private boolean	enableBatchedExceptionTracking_
LogWriter	logWriter_
(package private) SectionManager	sectionManager_

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Agent(ClientConnection connection, LogWriter logWriter)

Method Summary

Modifier and Type	Method	Description
void	accumulateChainBreakingReadExceptionAndThrow(DisconnectException e)
(package private) void	accumulateDeferredException(SqlException e)
private void	accumulateDisconnectException(DisconnectException e)
void	accumulateReadException(SqlException e)
private void	beginBatchedReadChain(ClientStatement statement, int batchSize)
(package private) void	beginBatchedWriteChain(ClientStatement statement)
protected void	beginReadChain(ClientStatement statement)
protected void	beginReadChainOutsideUOW()
void	beginWriteChain(ClientStatement statement)
abstract void	beginWriteChainOutsideUOW()
abstract void	checkForChainBreakingException_()
(package private) void	checkForDeferredExceptions()
protected void	checkForExceptions()
(package private) void	checkForSupportedDataType(int dataType)	Checks whether a data type is supported for setObject(int, Object, int) and setObject(int, Object, int, int).
void	close()
abstract void	close_()
(package private) void	disableBatchedExceptionTracking()
(package private) void	disconnectEvent()
private void	enableBatchedExceptionTracking(int batchSize)
(package private) void	endBatchedReadChain(long[] updateCounts, SqlException accumulatedExceptions)
private void	endBatchedWriteChain()
void	endReadChain()
protected abstract void	endWriteChain()
void	flow(ClientStatement statement)
(package private) void	flowBatch(ClientStatement 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_()
(package private) void	resetAgent(ClientConnection connection, LogWriter logWriter, int loginTimeout, java.lang.String server, int port)
private void	resetAgent(LogWriter logWriter)
protected abstract void	resetAgent_(LogWriter logWriter, int loginTimeout, java.lang.String server, int port)
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_

SqlException accumulatedReadExceptions_

enableBatchedExceptionTracking_

private boolean enableBatchedExceptionTracking_

batchedExceptionLabelIndex_

private int batchedExceptionLabelIndex_

batchedExceptionGenerated_

private boolean[] batchedExceptionGenerated_

connection_

ClientConnection connection_

sectionManager_

SectionManager sectionManager_

logWriter_

public LogWriter logWriter_

crossConverters_

final CrossConverters crossConverters_

deferredException_

private SqlException deferredException_

Constructor Detail

Agent

protected Agent(ClientConnection connection,
                LogWriter logWriter)

Method Detail

checkForDeferredExceptions

void checkForDeferredExceptions()
                         throws SqlException

Throws:

SqlException

checkForSupportedDataType

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

void accumulateDeferredException(SqlException e)

resetAgent

private void resetAgent(LogWriter logWriter)

resetAgent

void resetAgent(ClientConnection 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()

accumulateReadException

public final void accumulateReadException(SqlException e)

accumulateDisconnectException

private 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

flow

public final void flow(ClientStatement statement)
                throws SqlException

Throws:

SqlException

flowBatch

final void flowBatch(ClientStatement 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

final void disconnectEvent()

beginWriteChainOutsideUOW

public abstract void beginWriteChainOutsideUOW()
                                        throws SqlException

Throws:

SqlException

beginWriteChain

public void beginWriteChain(ClientStatement statement)
                     throws SqlException

Throws:

SqlException

beginBatchedWriteChain

final void beginBatchedWriteChain(ClientStatement statement)
                           throws SqlException

Throws:

SqlException

endWriteChain

protected abstract void endWriteChain()

endBatchedWriteChain

private final void endBatchedWriteChain()

beginReadChain

protected void beginReadChain(ClientStatement statement)
                       throws SqlException

Throws:

SqlException

beginBatchedReadChain

private void beginBatchedReadChain(ClientStatement statement,
                                   int batchSize)
                            throws SqlException

Throws:

SqlException

beginReadChainOutsideUOW

protected void beginReadChainOutsideUOW()
                                 throws SqlException

Throws:

SqlException

endReadChain

public void endReadChain()
                  throws SqlException

Throws:

SqlException

endBatchedReadChain

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

Throws:

java.sql.BatchUpdateException