/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2011, Open Source Geospatial Foundation (OSGeo)
* (C) 2005 Open Geospatial Consortium Inc.
*
* All Rights Reserved. http://www.opengis.org/legal/
*/
package org.opengis.filter;
import org.opengis.feature.type.Name;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.PropertyName;
import org.opengis.filter.spatial.BBOX;
import org.opengis.filter.spatial.Beyond;
import org.opengis.filter.spatial.Contains;
import org.opengis.filter.spatial.Crosses;
import org.opengis.filter.spatial.DWithin;
import org.opengis.filter.spatial.Disjoint;
import org.opengis.filter.spatial.Equals;
import org.opengis.filter.spatial.Intersects;
import org.opengis.filter.spatial.Overlaps;
import org.opengis.filter.spatial.Touches;
import org.opengis.filter.spatial.Within;
import org.opengis.geometry.BoundingBox;
import org.xml.sax.helpers.NamespaceSupport;
/**
* Allows creation of additional Filter constructs.
* <p>
* Why do we need this? Because not all implementations are going
* to be using geoapi Geometry. This allows the creation of complient
* filters with SFSQL Geometry constructs. Consider this a bridge to
* existing projects allowing GeoAPI to be used.
* </p>
*
* @source $URL: http://svn.osgeo.org/geotools/branches/2.7.x/modules/library/opengis/src/main/java/org/opengis/filter/FilterFactory2.java $
* @version <A HREF="http://www.opengis.org/docs/02-059.pdf">Implementation specification 1.1</A>
* @author Jody Garnett, Refractions Research Inc.
* @since GeoAPI 2.1
*/
public interface FilterFactory2 extends FilterFactory {
////////////////////////////////////////////////////////////////////////////////
//
// FILTERS
//
////////////////////////////////////////////////////////////////////////////////
/**
* Retrieves the value of a {@linkplain org.opengis.feature.Feature feature}'s property.
* @param name Name of attribute referenced
* @return PropertyName
*/
PropertyName property(Name name);
/**
* Retrieves the value of a {@linkplain org.opengis.feature.Feature feature}'s property.
*
* @param xpath XPath expression (subject to the restrictions of filter specificaiton)
* @param namespaceContext Used to interpret any namespace prefixs in above xpath expression
* @return PropertyName
*/
PropertyName property(String xpath, NamespaceSupport namespaceContext);
/**
* Character string comparison operator with pattern matching and specified wildcards.
*
* @param expr
* @param pattern
* @param wildcard
* @param singleChar
* @param escape
* @param matchCase
* @return
*/
PropertyIsLike like(Expression expr, String pattern, String wildcard, String singleChar, String escape, boolean matchCase);
////////////////////////////////////////////////////////////////////////////////
//
// SPATIAL FILTERS
//
////////////////////////////////////////////////////////////////////////////////
/** Checks if the geometry expression overlaps the specified bounding box. */
BBOX bbox( Expression geometry, double minx, double miny, double maxx, double maxy, String srs);
/**
* Checks if the bounding box of the feature's geometry overlaps the indicated bounds.
* <p>
* This method does not strictly confirm to the the Filter 1.0 specification, you may
* use it to check expressions other than PropertyName.
* </p>
* @param geometry Expression used to access a Geometry, in order to check for interaction with bounds
* @param bounds Indicates the bounds to check geometry against
*/
BBOX bbox( Expression geometry, BoundingBox bounds);
/** Check if all of a geometry is more distant than the given distance from this object's geometry. */
Beyond beyond( Expression geometry1, Expression geometry2, double distance, String units);
/** Checks if the the first geometric operand contains the second. */
Contains contains(Expression geometry1, Expression geometry2);
/** Checks if the first geometric operand crosses the second. */
Crosses crosses(Expression geometry1, Expression geometry2);
/** Checks if the first operand is disjoint from the second. */
Disjoint disjoint(Expression geometry1, Expression geometry2);
/** Checks if any part of the first geometry lies within the given distance of the second geometry. */
DWithin dwithin(Expression geometry1, Expression geometry2, double distance, String units);
/** Checks if the geometry of the two operands are equal.
* @todo should be equals, resolve conflict with PropertyIsEqualTo equals( Expression, Expression )
*/
Equals equal(Expression geometry1, Expression geometry2);
/** Checks if the two geometric operands intersect. */
Intersects intersects(Expression geometry1, Expression geometry2);
/** Checks if the interior of the first geometry somewhere overlaps the interior of the second geometry. */
Overlaps overlaps(Expression geometry1, Expression geometry2);
/** Checks if the feature's geometry touches, but does not overlap with the geometry held by this object. */
Touches touches(Expression propertyName1, Expression geometry2);
/** Checks if the feature's geometry is completely contained by the specified constant geometry. */
Within within(Expression geometry1, Expression geometry2);
}