mirror of https://github.com/apache/lucene.git
LUCENE-4419: Test indexing non-point shapes; and add SpatialOperation.evaluate(s1,s2)
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1418007 13f79535-47bb-0310-9956-ffa450edef68
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@ -17,6 +17,9 @@ package org.apache.lucene.spatial.query;
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* limitations under the License.
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*/
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import com.spatial4j.core.shape.Shape;
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import com.spatial4j.core.shape.SpatialRelation;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.HashMap;
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@ -25,14 +28,16 @@ import java.util.Locale;
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import java.util.Map;
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/**
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* A clause that compares a stored geometry to a supplied geometry.
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* A clause that compares a stored geometry to a supplied geometry. For more
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* explanation of each operation, consider looking at the source implementation
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* of {@link #evaluate(com.spatial4j.core.shape.Shape, com.spatial4j.core.shape.Shape)}.
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*
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* @see <a href="http://edndoc.esri.com/arcsde/9.1/general_topics/understand_spatial_relations.htm">
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* ESRIs docs on spatial relations</a>
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*
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* @lucene.experimental
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*/
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public class SpatialOperation implements Serializable {
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public abstract class SpatialOperation implements Serializable {
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// Private registry
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private static final Map<String, SpatialOperation> registry = new HashMap<String, SpatialOperation>();
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private static final List<SpatialOperation> list = new ArrayList<SpatialOperation>();
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@ -40,15 +45,55 @@ public class SpatialOperation implements Serializable {
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// Geometry Operations
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/** Bounding box of the *indexed* shape. */
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public static final SpatialOperation BBoxIntersects = new SpatialOperation("BBoxIntersects", true, false, false);
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public static final SpatialOperation BBoxIntersects = new SpatialOperation("BBoxIntersects", true, false, false) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return indexedShape.getBoundingBox().relate(queryShape).intersects();
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}
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};
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/** Bounding box of the *indexed* shape. */
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public static final SpatialOperation BBoxWithin = new SpatialOperation("BBoxWithin", true, false, false);
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public static final SpatialOperation Contains = new SpatialOperation("Contains", true, true, false);
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public static final SpatialOperation Intersects = new SpatialOperation("Intersects", true, false, false);
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public static final SpatialOperation IsEqualTo = new SpatialOperation("IsEqualTo", false, false, false);
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public static final SpatialOperation IsDisjointTo = new SpatialOperation("IsDisjointTo", false, false, false);
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public static final SpatialOperation IsWithin = new SpatialOperation("IsWithin", true, false, true);
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public static final SpatialOperation Overlaps = new SpatialOperation("Overlaps", true, false, true);
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public static final SpatialOperation BBoxWithin = new SpatialOperation("BBoxWithin", true, false, false) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return indexedShape.getBoundingBox().relate(queryShape) == SpatialRelation.WITHIN;
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}
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};
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public static final SpatialOperation Contains = new SpatialOperation("Contains", true, true, false) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return indexedShape.hasArea() && indexedShape.relate(queryShape) == SpatialRelation.CONTAINS;
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}
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};
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public static final SpatialOperation Intersects = new SpatialOperation("Intersects", true, false, false) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return indexedShape.relate(queryShape).intersects();
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}
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};
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public static final SpatialOperation IsEqualTo = new SpatialOperation("IsEqualTo", false, false, false) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return indexedShape.equals(queryShape);
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}
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};
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public static final SpatialOperation IsDisjointTo = new SpatialOperation("IsDisjointTo", false, false, false) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return ! indexedShape.relate(queryShape).intersects();
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}
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};
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public static final SpatialOperation IsWithin = new SpatialOperation("IsWithin", true, false, true) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return queryShape.hasArea() && indexedShape.relate(queryShape) == SpatialRelation.WITHIN;
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}
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};
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public static final SpatialOperation Overlaps = new SpatialOperation("Overlaps", true, false, true) {
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@Override
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public boolean evaluate(Shape indexedShape, Shape queryShape) {
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return queryShape.hasArea() && indexedShape.relate(queryShape).intersects();
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}
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};
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// Member variables
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private final boolean scoreIsMeaningful;
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@ -90,6 +135,11 @@ public class SpatialOperation implements Serializable {
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return false;
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}
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/**
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* Returns whether the relationship between indexedShape and queryShape is
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* satisfied by this operation.
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*/
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public abstract boolean evaluate(Shape indexedShape, Shape queryShape);
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// ================================================= Getters / Setters =============================================
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@ -1,3 +1,5 @@
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package org.apache.lucene.spatial;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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@ -15,8 +17,9 @@
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* limitations under the License.
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*/
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package org.apache.lucene.spatial;
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import com.spatial4j.core.context.SpatialContext;
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import com.spatial4j.core.shape.Point;
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import com.spatial4j.core.shape.Rectangle;
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import org.apache.lucene.document.Document;
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import org.apache.lucene.index.DirectoryReader;
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import org.apache.lucene.index.RandomIndexWriter;
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@ -35,6 +38,10 @@ import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import static com.carrotsearch.randomizedtesting.RandomizedTest.randomGaussian;
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import static com.carrotsearch.randomizedtesting.RandomizedTest.randomIntBetween;
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/** A base test class for spatial lucene. It's mostly Lucene generic. */
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public abstract class SpatialTestCase extends LuceneTestCase {
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private DirectoryReader indexReader;
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@ -42,6 +49,8 @@ public abstract class SpatialTestCase extends LuceneTestCase {
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private Directory directory;
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protected IndexSearcher indexSearcher;
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protected SpatialContext ctx;//subclass must initialize
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@Override
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@Before
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public void setUp() throws Exception {
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@ -100,6 +109,63 @@ public abstract class SpatialTestCase extends LuceneTestCase {
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}
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}
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protected Point randomPoint() {
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final Rectangle WB = ctx.getWorldBounds();
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return ctx.makePoint(
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randomIntBetween((int) WB.getMinX(), (int) WB.getMaxX()),
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randomIntBetween((int) WB.getMinY(), (int) WB.getMaxY()));
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}
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protected Rectangle randomRectangle() {
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final Rectangle WB = ctx.getWorldBounds();
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int rW = (int) randomGaussianMeanMax(10, WB.getWidth());
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double xMin = randomIntBetween((int) WB.getMinX(), (int) WB.getMaxX() - rW);
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double xMax = xMin + rW;
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int yH = (int) randomGaussianMeanMax(Math.min(rW, WB.getHeight()), WB.getHeight());
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double yMin = randomIntBetween((int) WB.getMinY(), (int) WB.getMaxY() - yH);
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double yMax = yMin + yH;
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return ctx.makeRectangle(xMin, xMax, yMin, yMax);
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}
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private double randomGaussianMinMeanMax(double min, double mean, double max) {
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assert mean > min;
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return randomGaussianMeanMax(mean - min, max - min) + min;
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}
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/**
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* Within one standard deviation (68% of the time) the result is "close" to
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* mean. By "close": when greater than mean, it's the lesser of 2*mean or half
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* way to max, when lesser than mean, it's the greater of max-2*mean or half
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* way to 0. The other 32% of the time it's in the rest of the range, touching
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* either 0 or max but never exceeding.
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*/
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private double randomGaussianMeanMax(double mean, double max) {
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// DWS: I verified the results empirically
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assert mean <= max && mean >= 0;
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double g = randomGaussian();
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double mean2 = mean;
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double flip = 1;
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if (g < 0) {
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mean2 = max - mean;
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flip = -1;
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g *= -1;
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}
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// pivot is the distance from mean2 towards max where the boundary of
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// 1 standard deviation alters the calculation
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double pivotMax = max - mean2;
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double pivot = Math.min(mean2, pivotMax / 2);//from 0 to max-mean2
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assert pivot >= 0 && pivotMax >= pivot && g >= 0;
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double pivotResult;
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if (g <= 1)
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pivotResult = pivot * g;
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else
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pivotResult = Math.min(pivotMax, (g - 1) * (pivotMax - pivot) + pivot);
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return mean + flip * pivotResult;
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}
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// ================================================= Inner Classes =================================================
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protected static class SearchResults {
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@ -116,7 +182,7 @@ public abstract class SpatialTestCase extends LuceneTestCase {
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StringBuilder str = new StringBuilder();
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str.append("found: ").append(numFound).append('[');
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for(SearchResult r : results) {
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String id = r.document.get("id");
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String id = r.getId();
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str.append(id).append(", ");
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}
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str.append(']');
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@ -138,6 +204,10 @@ public abstract class SpatialTestCase extends LuceneTestCase {
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this.score = score;
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this.document = storedDocument;
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}
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public String getId() {
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return document.get("id");
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}
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@Override
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public String toString() {
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@ -82,6 +82,8 @@ public class SpatialTestQuery {
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@Override
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public String toString() {
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return line;
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if (line != null)
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return line;
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return args.toString()+" "+ids;
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}
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}
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@ -31,8 +31,9 @@ import org.apache.lucene.queries.function.ValueSource;
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import org.apache.lucene.search.CheckHits;
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import org.apache.lucene.search.ScoreDoc;
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import org.apache.lucene.search.TopDocs;
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import org.apache.lucene.spatial.query.SpatialArgs;
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import org.apache.lucene.spatial.query.SpatialArgsParser;
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import org.junit.Assert;
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import org.apache.lucene.spatial.query.SpatialOperation;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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@ -42,6 +43,7 @@ import java.util.Collections;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.logging.Logger;
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@ -64,7 +66,6 @@ public abstract class StrategyTestCase extends SpatialTestCase {
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protected final SpatialArgsParser argsParser = new SpatialArgsParser();
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protected SpatialStrategy strategy;
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protected SpatialContext ctx;
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protected boolean storeShape = true;
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protected void executeQueries(SpatialMatchConcern concern, String... testQueryFile) throws IOException {
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SpatialMatchConcern concern) {
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while (queries.hasNext()) {
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SpatialTestQuery q = queries.next();
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runTestQuery(concern, q);
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}
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}
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String msg = q.line; //"Query: " + q.args.toString(ctx);
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SearchResults got = executeQuery(strategy.makeQuery(q.args), 100);
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if (storeShape && got.numFound > 0) {
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//check stored value is there & parses
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assertNotNull(ctx.readShape(got.results.get(0).document.get(strategy.getFieldName())));
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}
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if (concern.orderIsImportant) {
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Iterator<String> ids = q.ids.iterator();
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for (SearchResult r : got.results) {
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String id = r.document.get("id");
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if(!ids.hasNext()) {
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Assert.fail(msg + " :: Did not get enough results. Expect" + q.ids+", got: "+got.toDebugString());
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}
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Assert.assertEquals( "out of order: " + msg, ids.next(), id);
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public void runTestQuery(SpatialMatchConcern concern, SpatialTestQuery q) {
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String msg = q.toString(); //"Query: " + q.args.toString(ctx);
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SearchResults got = executeQuery(strategy.makeQuery(q.args), Math.max(100, q.ids.size()+1));
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if (storeShape && got.numFound > 0) {
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//check stored value is there & parses
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assertNotNull(ctx.readShape(got.results.get(0).document.get(strategy.getFieldName())));
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}
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if (concern.orderIsImportant) {
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Iterator<String> ids = q.ids.iterator();
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for (SearchResult r : got.results) {
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String id = r.document.get("id");
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if (!ids.hasNext()) {
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fail(msg + " :: Did not get enough results. Expect" + q.ids + ", got: " + got.toDebugString());
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}
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if (ids.hasNext()) {
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Assert.fail(msg + " :: expect more results then we got: " + ids.next());
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assertEquals("out of order: " + msg, ids.next(), id);
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}
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if (ids.hasNext()) {
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fail(msg + " :: expect more results then we got: " + ids.next());
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}
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} else {
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// We are looking at how the results overlap
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if (concern.resultsAreSuperset) {
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Set<String> found = new HashSet<String>();
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for (SearchResult r : got.results) {
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found.add(r.document.get("id"));
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}
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for (String s : q.ids) {
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if (!found.contains(s)) {
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fail("Results are mising id: " + s + " :: " + found);
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}
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}
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} else {
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// We are looking at how the results overlap
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if( concern.resultsAreSuperset ) {
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Set<String> found = new HashSet<String>();
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for (SearchResult r : got.results) {
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found.add(r.document.get("id"));
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}
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for( String s : q.ids ) {
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if( !found.contains( s ) ) {
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Assert.fail( "Results are mising id: "+s + " :: " + found );
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}
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}
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List<String> found = new ArrayList<String>();
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for (SearchResult r : got.results) {
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found.add(r.document.get("id"));
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}
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else {
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List<String> found = new ArrayList<String>();
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for (SearchResult r : got.results) {
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found.add(r.document.get("id"));
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}
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// sort both so that the order is not important
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Collections.sort(q.ids);
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Collections.sort(found);
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Assert.assertEquals(msg, q.ids.toString(), found.toString());
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}
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// sort both so that the order is not important
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Collections.sort(q.ids);
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Collections.sort(found);
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assertEquals(msg, q.ids.toString(), found.toString());
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}
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}
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}
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CheckHits.checkExplanations(q, "", indexSearcher);
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}
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protected void assertOperation(Map<String,Shape> indexedDocs,
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SpatialOperation operation, Shape queryShape) {
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//Generate truth via brute force
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Set<String> expectedIds = new HashSet<String>();
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for (Map.Entry<String, Shape> stringShapeEntry : indexedDocs.entrySet()) {
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if (operation.evaluate(stringShapeEntry.getValue(), queryShape))
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expectedIds.add(stringShapeEntry.getKey());
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}
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SpatialTestQuery testQuery = new SpatialTestQuery();
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testQuery.args = new SpatialArgs(operation, queryShape);
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testQuery.ids = new ArrayList<String>(expectedIds);
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runTestQuery(SpatialMatchConcern.FILTER, testQuery);
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}
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}
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@ -0,0 +1,133 @@
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package org.apache.lucene.spatial.prefix;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import com.carrotsearch.randomizedtesting.annotations.Repeat;
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import com.spatial4j.core.context.SpatialContext;
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import com.spatial4j.core.shape.Rectangle;
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import com.spatial4j.core.shape.Shape;
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import com.spatial4j.core.shape.impl.RectangleImpl;
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import org.apache.lucene.search.Query;
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import org.apache.lucene.spatial.StrategyTestCase;
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import org.apache.lucene.spatial.prefix.tree.Node;
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import org.apache.lucene.spatial.prefix.tree.QuadPrefixTree;
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import org.apache.lucene.spatial.prefix.tree.SpatialPrefixTree;
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import org.apache.lucene.spatial.query.SpatialArgs;
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import org.apache.lucene.spatial.query.SpatialOperation;
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import org.junit.Test;
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import java.io.IOException;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeSet;
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import static com.carrotsearch.randomizedtesting.RandomizedTest.randomInt;
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import static com.carrotsearch.randomizedtesting.RandomizedTest.randomIntBetween;
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public class SpatialOpRecursivePrefixTreeTest extends StrategyTestCase {
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private SpatialPrefixTree grid;
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@Test
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@Repeat(iterations = 20)
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public void testIntersects() throws IOException {
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//non-geospatial makes this test a little easier
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this.ctx = new SpatialContext(false, null, new RectangleImpl(0, 256, -128, 128, null));
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//A fairly shallow grid, and default 2.5% distErrPct
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this.grid = new QuadPrefixTree(ctx, randomIntBetween(1, 8));
|
||||
this.strategy = new RecursivePrefixTreeStrategy(grid, getClass().getSimpleName());
|
||||
//((PrefixTreeStrategy) strategy).setDistErrPct(0);//fully precise to grid
|
||||
|
||||
deleteAll();
|
||||
|
||||
Map<String, Shape> indexedShapes = new LinkedHashMap<String, Shape>();
|
||||
Map<String, Rectangle> indexedGriddedShapes = new LinkedHashMap<String, Rectangle>();
|
||||
final int numIndexedShapes = randomIntBetween(1, 6);
|
||||
for (int i = 1; i <= numIndexedShapes; i++) {
|
||||
String id = "" + i;
|
||||
Shape indexShape = randomRectangle();
|
||||
Rectangle gridShape = gridSnapp(indexShape);
|
||||
indexedShapes.put(id, indexShape);
|
||||
indexedGriddedShapes.put(id, gridShape);
|
||||
adoc(id, indexShape);
|
||||
}
|
||||
|
||||
commit();
|
||||
|
||||
final int numQueryShapes = atLeast(10);
|
||||
for (int i = 0; i < numQueryShapes; i++) {
|
||||
int scanLevel = randomInt(grid.getMaxLevels());
|
||||
((RecursivePrefixTreeStrategy) strategy).setPrefixGridScanLevel(scanLevel);
|
||||
Rectangle queryShape = randomRectangle();
|
||||
Rectangle queryGridShape = gridSnapp(queryShape);
|
||||
|
||||
//Generate truth via brute force
|
||||
final SpatialOperation operation = SpatialOperation.Intersects;
|
||||
Set<String> expectedIds = new TreeSet<String>();
|
||||
Set<String> optionalIds = new TreeSet<String>();
|
||||
for (String id : indexedShapes.keySet()) {
|
||||
Shape indexShape = indexedShapes.get(id);
|
||||
Rectangle indexGridShape = indexedGriddedShapes.get(id);
|
||||
if (operation.evaluate(indexShape, queryShape))
|
||||
expectedIds.add(id);
|
||||
else if (operation.evaluate(indexGridShape, queryGridShape))
|
||||
optionalIds.add(id);
|
||||
}
|
||||
|
||||
//Search and verify results
|
||||
Query query = strategy.makeQuery(new SpatialArgs(operation, queryShape));
|
||||
SearchResults got = executeQuery(query, 100);
|
||||
Set<String> remainingExpectedIds = new TreeSet<String>(expectedIds);
|
||||
String msg = queryShape.toString()+" Expect: "+expectedIds+" Opt: "+optionalIds;
|
||||
for (SearchResult result : got.results) {
|
||||
String id = result.getId();
|
||||
Object removed = remainingExpectedIds.remove(id);
|
||||
if (removed == null) {
|
||||
assertTrue("Shouldn't match " + id + " in "+msg, optionalIds.contains(id));
|
||||
}
|
||||
}
|
||||
assertTrue("Didn't match " + remainingExpectedIds + " in " + msg, remainingExpectedIds.isEmpty());
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
protected Rectangle gridSnapp(Shape snapMe) {
|
||||
//The next 4 lines mimic PrefixTreeStrategy.createIndexableFields()
|
||||
double distErrPct = ((PrefixTreeStrategy) strategy).getDistErrPct();
|
||||
double distErr = SpatialArgs.calcDistanceFromErrPct(snapMe, distErrPct, ctx);
|
||||
int detailLevel = grid.getLevelForDistance(distErr);
|
||||
List<Node> cells = grid.getNodes(snapMe, detailLevel, false);
|
||||
|
||||
//calc bounding box of cells.
|
||||
double minX = Double.POSITIVE_INFINITY, maxX = Double.NEGATIVE_INFINITY;
|
||||
double minY = Double.POSITIVE_INFINITY, maxY = Double.NEGATIVE_INFINITY;
|
||||
for (Node cell : cells) {
|
||||
assert cell.getLevel() <= detailLevel;
|
||||
Rectangle cellR = cell.getShape().getBoundingBox();
|
||||
|
||||
minX = Math.min(minX, cellR.getMinX());
|
||||
maxX = Math.max(maxX, cellR.getMaxX());
|
||||
minY = Math.min(minY, cellR.getMinY());
|
||||
maxY = Math.max(maxY, cellR.getMaxY());
|
||||
}
|
||||
return ctx.makeRectangle(minX, maxX, minY, maxY);
|
||||
}
|
||||
|
||||
}
|
Loading…
Reference in New Issue