com.metamatrix.connector.xml.jms
Class JMSExecution

java.lang.Object
  org.teiid.connector.basic.BasicExecution
      com.metamatrix.connector.xml.jms.JMSExecution

All Implemented Interfaces:

XMLExecution, Execution, ResultSetExecution

public class JMSExecution
extends BasicExecution
implements ResultSetExecution, XMLExecution

Constructor Summary

JMSExecution(IQuery query, JMSConnection connection, RuntimeMetadata metadata, ExecutionContext exeCtx, ConnectorEnvironment connectorEnv, ConnectorLogger logger)

Method Summary

void	cancel() Cancels the execution abnormally.
void	close() Terminates the execution normally.
void	execute() Analyzes the Query and breaks it into multipl requests if needed.
IDocumentCache	getCache()
XMLConnection	getConnection()
ExecutionContext	getExeContext()
ExecutionInfo	getInfo()
int	getRequestNumber()
void	incrementRequestNumber()
java.util.List	next()

Methods inherited from class java.lang.Object

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

Constructor Detail

JMSExecution

public JMSExecution(IQuery query,
                    JMSConnection connection,
                    RuntimeMetadata metadata,
                    ExecutionContext exeCtx,
                    ConnectorEnvironment connectorEnv,
                    ConnectorLogger logger)
             throws ConnectorException

Throws:

ConnectorException

Method Detail

close

public void close()
           throws ConnectorException

Description copied from interface: Execution

Terminates the execution normally.

Specified by:

close in interface Execution

Throws:

ConnectorException

cancel

public void cancel()
            throws ConnectorException

Description copied from interface: Execution

Cancels the execution abnormally. This will happen via a different thread from the one performing the execution, so should be expected to happen in a multi-threaded scenario.

Specified by:

cancel in interface Execution

Throws:

ConnectorException

execute

public void execute()
             throws ConnectorException

Analyzes the Query and breaks it into multipl requests if needed. Creates a JMSRequestExecutor for each request that creates and sends the request if needed. RequestExecutors are save in a List and accesses in next Batch()

Specified by:

execute in interface Execution

Throws:

ConnectorException

next

public java.util.List next()
                    throws ConnectorException,
                           DataNotAvailableException

Specified by:

next in interface ResultSetExecution

Throws:

ConnectorException

DataNotAvailableException

getRequestNumber

public int getRequestNumber()

incrementRequestNumber

public void incrementRequestNumber()

getInfo

public ExecutionInfo getInfo()

Specified by:

getInfo in interface XMLExecution

getConnection

public XMLConnection getConnection()

Specified by:

getConnection in interface XMLExecution

getCache

public IDocumentCache getCache()

Specified by:

getCache in interface XMLExecution

getExeContext

public ExecutionContext getExeContext()

Specified by:

getExeContext in interface XMLExecution