org.teiid.translator.jpa

Class JPQLUpdateExecution

java.lang.Object

org.teiid.translator.jpa.JPQLBaseExecution

org.teiid.translator.jpa.JPQLUpdateExecution

All Implemented Interfaces:

Execution, UpdateExecution

public class JPQLUpdateExecution
extends JPQLBaseExecution
implements UpdateExecution

Field Summary

Fields inherited from class org.teiid.translator.jpa.JPQLBaseExecution

enityManager, executionContext, metadata

Constructor Summary

Constructors

Constructor and Description
JPQLUpdateExecution(Command command, ExecutionContext executionContext, RuntimeMetadata metadata, javax.persistence.EntityManager em)

Method Summary

Modifier and Type	Method and Description
void	cancel() Cancels the execution abnormally.
void	close() Terminates the execution normally.
void	execute() Execute the associated command.
int[]	getUpdateCounts() Returns the update counts for the execution.

Methods inherited from class java.lang.Object

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

Constructor Detail

JPQLUpdateExecution

public JPQLUpdateExecution(Command command,
                           ExecutionContext executionContext,
                           RuntimeMetadata metadata,
                           javax.persistence.EntityManager em)

Method Detail

execute

public void execute()
             throws TranslatorException

Description copied from interface: Execution

Execute the associated command. Results will be retrieved through a specific sub-interface call.

Specified by:

execute in interface Execution

Throws:

TranslatorException

getUpdateCounts

public int[] getUpdateCounts()
                      throws DataNotAvailableException,
                             TranslatorException

Description copied from interface: UpdateExecution

Returns the update counts for the execution.
A single positive integer value is expected for non bulk/batch commands.
bulk/batch should return an integer for each value/command. 0 or greater for successful update count, -2 for no info, -3 failure

Specified by:

getUpdateCounts in interface UpdateExecution

Returns:

the update counts corresponding to the command executed

Throws:

DataNotAvailableException

TranslatorException

close

public void close()

Description copied from interface: Execution

Terminates the execution normally.

Specified by:

close in interface Execution

cancel

public void cancel()
            throws TranslatorException

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:

TranslatorException