org.geotools.data.complex.filter

Class IndexedFilterDetectorVisitor

Object

DefaultFilterVisitor

IndexedFilterDetectorVisitor

All Implemented Interfaces:

ExpressionVisitor, FilterVisitor

Direct Known Subclasses:

SchemaIndexedFilterDetectorVisitor

public class IndexedFilterDetectorVisitor
extends DefaultFilterVisitor

Detects which AND/OR filter (BinaryLogicOperator) is the parent operator of indexed filter(s). Then collects the full-indexed subfilter(s). Unrolled Filter implementation

Author:

Fernando Miño - Geosolutions

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Filter>	indexedFilters
protected FeatureTypeMapping	mapping
protected BinaryLogicOperator	parentLogicOperator

Constructor Summary

Constructors

Constructor and Description
IndexedFilterDetectorVisitor(FeatureTypeMapping mapping)

Method Summary

Modifier and Type	Method and Description
List<Filter>	getIndexedFilters()
BinaryLogicOperator	getParentLogicOperator()
protected boolean	isFullyIndexed(Filter filter) checks if Filter is fully indexed
protected void	processFilter(BinaryLogicOperator filter) Detect if AND/OR filter is the parent operator of indexed filter then collect the full-indexed subfilter(s)
Object	visit(And filter, Object data)
Object	visit(Or filter, Object data)

Methods inherited from class DefaultFilterVisitor

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitNullFilter

Methods inherited from class Object

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

Field Detail

mapping

protected FeatureTypeMapping mapping

parentLogicOperator

protected BinaryLogicOperator parentLogicOperator

indexedFilters

protected List<Filter> indexedFilters

Constructor Detail

IndexedFilterDetectorVisitor

public IndexedFilterDetectorVisitor(FeatureTypeMapping mapping)

Method Detail

visit

public Object visit(Or filter,
                    Object data)

Specified by:

visit in interface FilterVisitor

Overrides:

visit in class DefaultFilterVisitor

visit

public Object visit(And filter,
                    Object data)

Specified by:

visit in interface FilterVisitor

Overrides:

visit in class DefaultFilterVisitor

processFilter

protected void processFilter(BinaryLogicOperator filter)

Detect if AND/OR filter is the parent operator of indexed filter then collect the full-indexed subfilter(s)

isFullyIndexed

protected boolean isFullyIndexed(Filter filter)

checks if Filter is fully indexed

Parameters:

filter - unrolled filter

getParentLogicOperator

public BinaryLogicOperator getParentLogicOperator()

getIndexedFilters

public List<Filter> getIndexedFilters()