org.teiid.query.function.aggregate

Class StringAgg

java.lang.Object

org.teiid.query.function.aggregate.AggregateFunction

org.teiid.query.function.aggregate.StringAgg

public class StringAgg
extends AggregateFunction

Aggregates binary and character strings

Field Summary

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

argIndexes

Constructor Summary

Constructors

Constructor and Description
StringAgg(boolean binary)

Method Summary

Modifier and Type	Method and Description
void	addInputDirect(List<?> tuple, CommandContext commandContext) Called for the element value in every row of a group.
Object	getResult(CommandContext commandContext) 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, filter, getArgIndexes, getOutputType, getState, getStateTypes, initialize, respectsNull, setArgIndexes, setConditionIndex, setState

Methods inherited from class java.lang.Object

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

Constructor Detail

StringAgg

public StringAgg(boolean binary)

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(List<?> tuple,
                           CommandContext commandContext)
                    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

Throws:

TeiidProcessingException

TeiidComponentException

getResult

public Object getResult(CommandContext commandContext)
                 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(CommandContext)