org.teiid.translator.jpa

Class JPQLQueryExecution

java.lang.Object

org.teiid.translator.jpa.JPQLBaseExecution

org.teiid.translator.jpa.JPQLQueryExecution

All Implemented Interfaces:

Execution, ResultSetExecution

public class JPQLQueryExecution
extends JPQLBaseExecution
implements ResultSetExecution

Field Summary

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

enityManager, executionContext, metadata

Constructor Summary

Constructors

Constructor and Description
JPQLQueryExecution(JPA2ExecutionFactory executionFactory, QueryExpression 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.
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

Constructor Detail

JPQLQueryExecution

public JPQLQueryExecution(JPA2ExecutionFactory executionFactory,
                          QueryExpression 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

next

public List<?> next()
             throws TranslatorException,
                    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:

TranslatorException

DataNotAvailableException

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