org.teiid.query.function.aggregate
Class ArrayAgg

java.lang.Object
  org.teiid.query.function.aggregate.AggregateFunction
      org.teiid.query.function.aggregate.ArrayAgg

public class ArrayAgg
extends AggregateFunction

Constructor Summary

ArrayAgg(CommandContext context)

Method Summary

void	addInputDirect(Object input, List<?> tuple) Called for the element value in every row of a group.
Object	getResult() Called after all values have been processed to get the result.
void	reset() Called to reset the state of the function.
boolean	respectsNull()

Methods inherited from class org.teiid.query.function.aggregate.AggregateFunction

addInput, initialize, setConditionIndex, setExpressionIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayAgg

public ArrayAgg(CommandContext context)

Method Detail

addInputDirect

public void addInputDirect(Object input,
                           List<?> tuple)
                    throws TeiidComponentException,
                           TeiidProcessingException

Description copied from class: AggregateFunction

Called for the element value in every row of a group.

Specified by:

addInputDirect in class AggregateFunction

Parameters:

input - Input value, may be null

Throws:

TeiidProcessingException

TeiidComponentException

getResult

public Object getResult()
                 throws FunctionExecutionException,
                        ExpressionEvaluationException,
                        TeiidComponentException,
                        TeiidProcessingException

Description copied from class: AggregateFunction

Called after all values have been processed to get the result.

Specified by:

getResult in class AggregateFunction

Returns:

Result value

Throws:

TeiidProcessingException

FunctionExecutionException

ExpressionEvaluationException

TeiidComponentException

reset

public void reset()

Description copied from class: AggregateFunction

Called to reset the state of the function.

Specified by:

reset in class AggregateFunction

respectsNull

public boolean respectsNull()

Overrides:

respectsNull in class AggregateFunction