org.teiid.translator.cassandra

Class CassandraQueryExecution

java.lang.Object

org.teiid.translator.cassandra.CassandraQueryExecution

All Implemented Interfaces:

Execution, ResultSetExecution

Direct Known Subclasses:

CassandraDirectQueryExecution

public class CassandraQueryExecution
extends Object
implements ResultSetExecution

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	returnsArray

Constructor Summary

Constructors

Constructor and Description
CassandraQueryExecution(Command query, CassandraConnection connection, ExecutionContext context)

Method Summary

Methods

Modifier and Type	Method and Description
void	cancel() Cancels the execution abnormally.
void	close() Terminates the execution normally.
void	execute() Execute the associated command.
protected void	execute(String cql)
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

Field Detail

returnsArray

protected boolean returnsArray

Constructor Detail

CassandraQueryExecution

public CassandraQueryExecution(Command query,
                       CassandraConnection connection,
                       ExecutionContext context)

Method Detail

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

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

execute

protected void execute(String cql)
                throws TranslatorException

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