org.kuali.rice.krad.uif.container

Class ELCollectionFilter

java.lang.Object

org.kuali.rice.krad.uif.container.ELCollectionFilter

All Implemented Interfaces:

Serializable, CollectionFilter

public class ELCollectionFilter
extends Object
implements CollectionFilter

Collection filter that evaluates a configured el expression against each line

Author:

Kuali Rice Team (rice.collab@kuali.org)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ELCollectionFilter()

Method Summary

Modifier and Type	Method and Description
List<Integer>	filter(View view, Object model, CollectionGroup collectionGroup) Iterates through the collection and evaluates the el expression in context of the line.
String	getExpression() Expression that will be evaluated for each line to determine whether the line should be filtered
ExpressionEvaluatorService	getExpressionEvaluatorService()
void	setExpression(String expression) Setter for the expression to use for filtering

Methods inherited from class java.lang.Object

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

Constructor Detail

ELCollectionFilter

public ELCollectionFilter()

Method Detail

filter

public List<Integer> filter(View view,
                            Object model,
                            CollectionGroup collectionGroup)

Iterates through the collection and evaluates the el expression in context of the line. If the expression evaluates to true, the line will remain, else be filtered out

Specified by:

filter in interface CollectionFilter

Parameters:

view - - view instance for the collection group

model - - object containing the view data and from which the collection should be pulled/updated

collectionGroup - - collection group instance containing configuration for the collection

Returns:

the list that contains valid row indexes

See Also:

CollectionFilter.filter(org.kuali.rice.krad.uif.view.View, Object, CollectionGroup)

getExpression

public String getExpression()

Expression that will be evaluated for each line to determine whether the line should be filtered

If expression passes, the line will remain in the collection, otherwise be filtered out. The expression given should evaluate to a boolean

Returns:

String valid el expression that evaluates to a boolean.

setExpression

public void setExpression(String expression)

Setter for the expression to use for filtering

Parameters:

expression -

getExpressionEvaluatorService

public ExpressionEvaluatorService getExpressionEvaluatorService()