org.teiid.query.function.aggregate
Class TextAgg

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

public class TextAgg
extends AggregateFunction

Aggregates Text entries

Constructor Summary

TextAgg(CommandContext context, TextLine textLine)

Method Summary

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

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

addInput, initialize, setExpressionIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

TextAgg

public TextAgg(CommandContext context,
               TextLine textLine)

Method Detail

reset

public void reset()

Description copied from class: AggregateFunction

Called to reset the state of the function.

Specified by:

reset in class AggregateFunction

addInputDirect

public void addInputDirect(java.lang.Object input,
                           java.util.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

See Also:

AggregateFunction.addInputDirect(Object, List)

getResult

public java.lang.Object getResult()
                           throws 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

See Also:

AggregateFunction.getResult()