org.teiid.query.processor.relational
Class SortingFilter

java.lang.Object
  org.teiid.query.function.aggregate.AggregateFunction
      org.teiid.query.processor.relational.SortingFilter

public class SortingFilter
extends AggregateFunction

Constructor Summary

SortingFilter(AggregateFunction proxy, BufferManager mgr, java.lang.String groupName, boolean removeDuplicates)
Constructor for DuplicateFilter.

Method Summary

void	addInputDirect(java.lang.Object input, java.util.List<?> tuple) Called for the element value in every row of a group.
java.util.List	getElements()
java.lang.Object	getResult() Called after all values have been processed to get the result.
void	initialize(java.lang.Class<?> dataType, java.lang.Class<?> inputType) Called to initialize the function.
void	reset() Called to reset the state of the function.
void	setElements(java.util.List elements)
void	setIndecies(int[] indecies)
void	setSortItems(java.util.List<OrderByItem> sortItems)

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

addInput, setExpressionIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

SortingFilter

public SortingFilter(AggregateFunction proxy,
                     BufferManager mgr,
                     java.lang.String groupName,
                     boolean removeDuplicates)

Constructor for DuplicateFilter.

Method Detail

getElements

public java.util.List getElements()

setElements

public void setElements(java.util.List elements)

setIndecies

public void setIndecies(int[] indecies)

setSortItems

public void setSortItems(java.util.List<OrderByItem> sortItems)

initialize

public void initialize(java.lang.Class<?> dataType,
                       java.lang.Class<?> inputType)

Description copied from class: AggregateFunction

Called to initialize the function. In the future this may expand with additional information.

Overrides:

initialize in class AggregateFunction

Parameters:

dataType - Data type of element begin aggregated

See Also:

org.teiid.query.function.aggregate.AggregateFunction#initialize(String, Class)

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 FunctionExecutionException,
                           ExpressionEvaluationException,
                           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

FunctionExecutionException

ExpressionEvaluationException

TeiidComponentException

getResult

public java.lang.Object getResult()
                           throws 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

TeiidComponentException

See Also:

AggregateFunction.getResult()