com.metamatrix.connector.xmlsource
Class XMLSourceExecution

java.lang.Object
  org.teiid.connector.basic.BasicExecution
      com.metamatrix.connector.xmlsource.XMLSourceExecution

All Implemented Interfaces:

Execution, ProcedureExecution, ResultSetExecution

Direct Known Subclasses:

FileExecution, SoapExecution

public abstract class XMLSourceExecution
extends BasicExecution
implements ProcedureExecution

This is main class which will execute request in the XML Source

Field Summary

protected ConnectorEnvironment

env

Constructor Summary

XMLSourceExecution(ConnectorEnvironment env)
ctor

Method Summary

void	cancel() Cancels the execution abnormally.
void	close() Terminates the execution normally.
protected java.sql.SQLXML	convertToXMLType(javax.xml.transform.Source value)
java.util.List<?>	getOutputParameterValues() Get the output parameter values.
protected abstract javax.xml.transform.Source	getReturnValue()
java.util.List<?>	next() Retrieves the next row of the resultset.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.teiid.connector.api.Execution

execute

Field Detail

env

protected ConnectorEnvironment env

Constructor Detail

XMLSourceExecution

public XMLSourceExecution(ConnectorEnvironment env)

ctor

Parameters:

context -

metadata -

Method Detail

convertToXMLType

protected java.sql.SQLXML convertToXMLType(javax.xml.transform.Source value)
                                    throws ConnectorException

Throws:

ConnectorException

getReturnValue

protected abstract javax.xml.transform.Source getReturnValue()

next

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

Description copied from interface: ResultSetExecution

Retrieves the next row of the resultset.

Specified by:

next in interface ResultSetExecution

Returns:

the next row or null indicating that there are no more results

Throws:

ConnectorException

DataNotAvailableException

getOutputParameterValues

public java.util.List<?> getOutputParameterValues()
                                           throws ConnectorException

Description copied from interface: ProcedureExecution

Get the output parameter values. Results should place the return parameter first if it is present, then the IN/OUT and OUT parameters should follow in the order they appeared in the command.

Specified by:

getOutputParameterValues in interface ProcedureExecution

Throws:

ConnectorException - If an error occurs while retrieving the output value

close

public void close()
           throws ConnectorException

Description copied from interface: Execution

Terminates the execution normally.

Specified by:

close in interface Execution

Throws:

ConnectorException

See Also:

Execution.close()

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

See Also:

Execution.cancel()