org.eclipse.incquery.viewers.runtime.model

Class ViewerDataFilter

java.lang.Object

org.eclipse.incquery.viewers.runtime.model.ViewerDataFilter

public class ViewerDataFilter
extends java.lang.Object

A wrapper class for filter definitions. It is used to create filtered observable Sets for patterns. A filter definition is considered unchangeable for the entire lifecycle of the ViewerFilter instance.

Warning After using a filter to create a ViewerDataFilter, the updates of this filter will not be pushed to the Filter

Author:

Zoltan Ujhelyi

Field Summary

Fields

Modifier and Type	Field and Description
static ViewerDataFilter	UNFILTERED

Constructor Summary

Constructors

Constructor and Description
ViewerDataFilter() Initializes an empty data filter.

Method Summary

Modifier and Type	Method and Description
void	addMultiFilter(IQuerySpecification<? extends IncQueryMatcher<? extends IPatternMatch>> pattern, java.util.Collection<IPatternMatch> matches, IncQueryFilterSemantics semantics)
void	addSingleFilter(IQuerySpecification<? extends IncQueryMatcher<? extends IPatternMatch>> pattern, IPatternMatch match) Adds a new filter to a viewer data filter.
static ViewerDataFilter	cloneFilter(ViewerDataFilter other) Copies all filter rules from an existing ViewerDataFilter instance.
ViewerFilterDefinition	getFilter(IQuerySpecification<?> pattern)
boolean	isFiltered(IQuerySpecification<?> pattern)
void	removeFilter(IQuerySpecification<? extends IncQueryMatcher<? extends IPatternMatch>> pattern) Removes a filter from the rules.

Methods inherited from class java.lang.Object

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

Field Detail

UNFILTERED

public static ViewerDataFilter UNFILTERED

Constructor Detail

ViewerDataFilter

public ViewerDataFilter()

Initializes an empty data filter.

Method Detail

cloneFilter

public static ViewerDataFilter cloneFilter(ViewerDataFilter other)

Copies all filter rules from an existing ViewerDataFilter instance.

Parameters:

other -

Returns:

addSingleFilter

public void addSingleFilter(IQuerySpecification<? extends IncQueryMatcher<? extends IPatternMatch>> pattern,
                            IPatternMatch match)

Adds a new filter to a viewer data filter.

Parameters:

pattern -

match -

addMultiFilter

public void addMultiFilter(IQuerySpecification<? extends IncQueryMatcher<? extends IPatternMatch>> pattern,
                           java.util.Collection<IPatternMatch> matches,
                           IncQueryFilterSemantics semantics)

removeFilter

public void removeFilter(IQuerySpecification<? extends IncQueryMatcher<? extends IPatternMatch>> pattern)

Removes a filter from the rules.

Parameters:

pattern -

isFiltered

public boolean isFiltered(IQuerySpecification<?> pattern)

getFilter

public ViewerFilterDefinition getFilter(IQuerySpecification<?> pattern)