Package org.geotools.filter.visitor
Class AbstractFinderFilterVisitor
Object
AbstractFinderFilterVisitor
- All Implemented Interfaces:
ExpressionVisitor
,FilterVisitor
- Direct Known Subclasses:
IdFinderFilterVisitor
public abstract class AbstractFinderFilterVisitor
extends Object
implements FilterVisitor, ExpressionVisitor
Abstract FilterVisitor for answering yes / no questions about a filter.
These classes are not not stateless, they make use of an interal field to track if something is found. The walk will be stopped and the value returned.
- Author:
- Jody Garnett (Refractions Research)
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Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
clear()
boolean
isFound()
visit
(ExcludeFilter filter, Object data) VisitFilter.EXCLUDE
(often used during data structure transformations).visit
(NilExpression expression, Object data) Used to visit a Expression.NIL, also called fornull
where an expression is expected.visit
(PropertyName expression, Object data) visit
(IncludeFilter filter, Object data) VisitFilter.INCLUDE
(often used during data structure transformations).visit
(NativeFilter filter, Object data) visit
(PropertyIsBetween filter, Object data) visit
(PropertyIsEqualTo filter, Object data) visit
(PropertyIsGreaterThanOrEqualTo filter, Object data) visit
(PropertyIsGreaterThan filter, Object data) visit
(PropertyIsLessThanOrEqualTo filter, Object data) visit
(PropertyIsLessThan filter, Object data) visit
(PropertyIsLike filter, Object data) visit
(PropertyIsNil filter, Object data) visit
(PropertyIsNotEqualTo filter, Object data) visit
(PropertyIsNull filter, Object data) visit
(Intersects filter, Object data) visit
(AnyInteracts anyInteracts, Object extraData) protected Object
visit
(BinaryTemporalOperator filter, Object data) visit
(OverlappedBy overlappedBy, Object extraData) visitNullFilter
(Object data) Used to account for anull
filter value.
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Field Details
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found
protected boolean found
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Constructor Details
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AbstractFinderFilterVisitor
protected AbstractFinderFilterVisitor()
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Method Details
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isFound
public boolean isFound() -
clear
public void clear() -
visit
Description copied from interface:FilterVisitor
VisitFilter.EXCLUDE
(often used during data structure transformations).- Specified by:
visit
in interfaceFilterVisitor
- Parameters:
filter
-Filter.EXCLUDE
.data
- Value object provided to visitor- Returns:
- subclass supplied
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visit
Description copied from interface:FilterVisitor
VisitFilter.INCLUDE
(often used during data structure transformations).- Specified by:
visit
in interfaceFilterVisitor
- Parameters:
filter
-Filter.INCLUDE
.data
- Value object provided to visitor- Returns:
- subclass supplied
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visitNullFilter
Description copied from interface:FilterVisitor
Used to account for anull
filter value.This is particularly used during data structure transofrmations, however the use of
null
is not recommended. Please make use of Filter.NONE and Filter.ALL as placeholder objects that communicate intent.- Specified by:
visitNullFilter
in interfaceFilterVisitor
- Parameters:
data
- Value object provided to visitor- Returns:
- subclass defined
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visit
Description copied from interface:ExpressionVisitor
Used to visit a Expression.NIL, also called fornull
where an expression is expected.This is particularly useful when doing data transformations, as an example when using a StyleSymbolizer Expression.NIL can be used to represent the default stroke color.
- Specified by:
visit
in interfaceExpressionVisitor
- Returns:
- implementation specific
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visit
- Specified by:
visit
in interfaceExpressionVisitor
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visit
- Specified by:
visit
in interfaceExpressionVisitor
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visit
- Specified by:
visit
in interfaceExpressionVisitor
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visit
- Specified by:
visit
in interfaceExpressionVisitor
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visit
- Specified by:
visit
in interfaceExpressionVisitor
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visit
- Specified by:
visit
in interfaceExpressionVisitor
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visit
- Specified by:
visit
in interfaceExpressionVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
- Specified by:
visit
in interfaceFilterVisitor
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visit
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visit
- Specified by:
visit
in interfaceFilterVisitor
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