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Merge pull request #720 from lat-lon/spatialJoins
Enhanced deegree for support of Spatial Joins
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deegree-core/deegree-core-base/src/main/java/org/deegree/feature/FeatureTuple.java
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| //$HeadURL$ | ||
| /*---------------------------------------------------------------------------- | ||
| This file is part of deegree, http://deegree.org/ | ||
| Copyright (C) 2001-2015 by: | ||
| - Department of Geography, University of Bonn - | ||
| and | ||
| - lat/lon GmbH - | ||
| This library is free software; you can redistribute it and/or modify it under | ||
| the terms of the GNU Lesser General Public License as published by the Free | ||
| Software Foundation; either version 2.1 of the License, or (at your option) | ||
| any later version. | ||
| This library is distributed in the hope that it will be useful, but WITHOUT | ||
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | ||
| FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | ||
| details. | ||
| You should have received a copy of the GNU Lesser General Public License | ||
| along with this library; if not, write to the Free Software Foundation, Inc., | ||
| 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| Contact information: | ||
| lat/lon GmbH | ||
| Aennchenstr. 19, 53177 Bonn | ||
| Germany | ||
| http://lat-lon.de/ | ||
| Department of Geography, University of Bonn | ||
| Prof. Dr. Klaus Greve | ||
| Postfach 1147, 53001 Bonn | ||
| Germany | ||
| http://www.geographie.uni-bonn.de/deegree/ | ||
| e-mail: info@deegree.org | ||
| ----------------------------------------------------------------------------*/ | ||
| package org.deegree.feature; | ||
|
|
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| import java.util.List; | ||
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|
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| import javax.xml.namespace.QName; | ||
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| import org.deegree.commons.tom.TypedObjectNode; | ||
| import org.deegree.commons.tom.gml.property.Property; | ||
| import org.deegree.feature.property.ExtraProps; | ||
| import org.deegree.feature.types.FeatureType; | ||
| import org.deegree.geometry.Envelope; | ||
|
|
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| /** | ||
| * Encapsulates a tuple of features as described in WFS 2.0 as result set for joins. | ||
| * | ||
| * @author <a href="mailto:goltz@lat-lon.de">Lyn Goltz</a> | ||
| */ | ||
| public class FeatureTuple implements Feature { | ||
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| private final List<Feature> features; | ||
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| private String id; | ||
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| private Envelope envelope; | ||
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| private boolean envelopeCalculated = false; | ||
|
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| /** | ||
| * @param features | ||
| * list of features part of this tuple, never <code>null</code> | ||
| */ | ||
| public FeatureTuple( List<Feature> features ) { | ||
| this.features = features; | ||
| this.id = createId( features ); | ||
| } | ||
|
|
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| /** | ||
| * @return all features part of this tuple, never <code>null</code> | ||
| */ | ||
| public List<Feature> getTupleFeatures() { | ||
| return features; | ||
| } | ||
|
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| @Override | ||
| public String getId() { | ||
| return id; | ||
| } | ||
|
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| @Override | ||
| public List<Property> getProperties() { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
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| @Override | ||
| public List<Property> getProperties( QName propName ) { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
|
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| @Override | ||
| public void setId( String id ) { | ||
| this.id = id; | ||
| } | ||
|
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| @Override | ||
| public QName getName() { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
|
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| @Override | ||
| public FeatureType getType() { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
|
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| @Override | ||
| public List<Property> getGeometryProperties() { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
|
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| @Override | ||
| public Envelope getEnvelope() { | ||
| if ( !envelopeCalculated ) { | ||
| envelope = calcEnvelope(); | ||
| } | ||
| return envelope; | ||
| } | ||
|
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| @Override | ||
| public void setEnvelope( Envelope env ) { | ||
| this.envelope = env; | ||
| envelopeCalculated = true; | ||
| } | ||
|
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| @Override | ||
| public Envelope calcEnvelope() { | ||
| Envelope fcBBox = null; | ||
| for ( Feature feature : this.features ) { | ||
| Envelope memberBBox = feature.getEnvelope(); | ||
| if ( memberBBox != null ) { | ||
| if ( fcBBox != null ) { | ||
| fcBBox = fcBBox.merge( memberBBox ); | ||
| } else { | ||
| fcBBox = memberBBox; | ||
| } | ||
| } | ||
| } | ||
| return fcBBox; | ||
| } | ||
|
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| @Override | ||
| public void setPropertyValue( QName propName, int occurence, TypedObjectNode value ) { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
|
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| @Override | ||
| public void setProperties( List<Property> props ) | ||
| throws IllegalArgumentException { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
|
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| @Override | ||
| public ExtraProps getExtraProperties() { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
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| @Override | ||
| public void setExtraProperties( ExtraProps extraProps ) { | ||
| throw new UnsupportedOperationException( "Not implemented yet." ); | ||
| } | ||
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| private String createId( List<Feature> features ) { | ||
| String id = "tupel_"; | ||
| for ( Feature feature : features ) | ||
| id += feature.getId(); | ||
| return id; | ||
| } | ||
|
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||
| } |
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