Added sort mode to geo distance sorting. Closes #1846
This commit is contained in:
Martijn van Groningen
parent
9bc50ea609
commit
941aa17a43
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@ -40,13 +40,14 @@ public class GeoDistanceComparator extends FieldComparator<Double> {
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protected final DistanceUnit unit;
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protected final GeoDistance geoDistance;
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protected final GeoDistance.FixedSourceDistance fixedSourceDistance;
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protected final SortMode sortMode;
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private final double[] values;
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private double bottom;
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private GeoPointValues readerValues;
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private GeoDistanceValues geoDistanceValues;
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public GeoDistanceComparator(int numHits, IndexGeoPointFieldData<?> indexFieldData, double lat, double lon, DistanceUnit unit, GeoDistance geoDistance) {
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public GeoDistanceComparator(int numHits, IndexGeoPointFieldData<?> indexFieldData, double lat, double lon, DistanceUnit unit, GeoDistance geoDistance, SortMode sortMode) {
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this.values = new double[numHits];
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this.indexFieldData = indexFieldData;
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this.lat = lat;
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@ -54,11 +55,17 @@ public class GeoDistanceComparator extends FieldComparator<Double> {
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this.unit = unit;
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this.geoDistance = geoDistance;
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this.fixedSourceDistance = geoDistance.fixedSourceDistance(lat, lon, unit);
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this.sortMode = sortMode;
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}
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@Override
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public FieldComparator<Double> setNextReader(AtomicReaderContext context) throws IOException {
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this.readerValues = indexFieldData.load(context).getGeoPointValues();
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GeoPointValues readerValues = indexFieldData.load(context).getGeoPointValues();
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if (readerValues.isMultiValued()) {
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geoDistanceValues = new MV(readerValues, fixedSourceDistance, sortMode);
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} else {
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geoDistanceValues = new SV(readerValues, fixedSourceDistance);
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}
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return this;
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}
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@ -77,15 +84,7 @@ public class GeoDistanceComparator extends FieldComparator<Double> {
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@Override
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public int compareBottom(int doc) {
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double distance;
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GeoPoint geoPoint = readerValues.getValue(doc);
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if (geoPoint == null) {
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// is this true? push this to the "end"
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distance = Double.MAX_VALUE;
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} else {
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distance = fixedSourceDistance.calculate(geoPoint.lat(), geoPoint.lon());
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}
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final double v2 = distance;
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final double v2 = geoDistanceValues.computeDistance(doc);
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if (bottom > v2) {
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return 1;
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} else if (bottom < v2) {
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@ -97,14 +96,7 @@ public class GeoDistanceComparator extends FieldComparator<Double> {
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@Override
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public int compareDocToValue(int doc, Double distance2) throws IOException {
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double distance1;
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GeoPoint geoPoint = readerValues.getValue(doc);
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if (geoPoint == null) {
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// is this true? push this to the "end"
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distance1 = Double.MAX_VALUE;
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} else {
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distance1 = fixedSourceDistance.calculate(geoPoint.lat(), geoPoint.lon());
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}
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double distance1 = geoDistanceValues.computeDistance(doc);
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if (distance1 < distance2) {
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return -1;
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} else if (distance1 == distance2) {
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@ -116,15 +108,7 @@ public class GeoDistanceComparator extends FieldComparator<Double> {
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@Override
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public void copy(int slot, int doc) {
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double distance;
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GeoPoint geoPoint = readerValues.getValue(doc);
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if (geoPoint == null) {
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// is this true? push this to the "end"
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distance = Double.MAX_VALUE;
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} else {
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distance = fixedSourceDistance.calculate(geoPoint.lat(), geoPoint.lon());
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}
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values[slot] = distance;
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values[slot] = geoDistanceValues.computeDistance(doc);
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}
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@Override
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@ -136,4 +120,81 @@ public class GeoDistanceComparator extends FieldComparator<Double> {
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public Double value(int slot) {
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return values[slot];
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}
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// Computes the distance based on geo points.
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// Due to this abstractions the geo distance comparator doesn't need to deal with whether fields have one
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// or multiple geo points per document.
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private static abstract class GeoDistanceValues {
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protected final GeoPointValues readerValues;
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protected final GeoDistance.FixedSourceDistance fixedSourceDistance;
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protected GeoDistanceValues(GeoPointValues readerValues, GeoDistance.FixedSourceDistance fixedSourceDistance) {
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this.readerValues = readerValues;
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this.fixedSourceDistance = fixedSourceDistance;
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}
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public abstract double computeDistance(int doc);
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}
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// Deals with one geo point per document
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private static final class SV extends GeoDistanceValues {
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SV(GeoPointValues readerValues, GeoDistance.FixedSourceDistance fixedSourceDistance) {
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super(readerValues, fixedSourceDistance);
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}
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@Override
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public double computeDistance(int doc) {
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GeoPoint geoPoint = readerValues.getValue(doc);
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if (geoPoint == null) {
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// is this true? push this to the "end"
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return Double.MAX_VALUE;
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} else {
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return fixedSourceDistance.calculate(geoPoint.lat(), geoPoint.lon());
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}
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}
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}
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// Deals with more than one geo point per document
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private static final class MV extends GeoDistanceValues {
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private final SortMode sortMode;
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MV(GeoPointValues readerValues, GeoDistance.FixedSourceDistance fixedSourceDistance, SortMode sortMode) {
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super(readerValues, fixedSourceDistance);
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this.sortMode = sortMode;
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}
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@Override
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public double computeDistance(int doc) {
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GeoPointValues.Iter iter = readerValues.getIter(doc);
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if (!iter.hasNext()) {
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return Double.MAX_VALUE;
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}
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GeoPoint point = iter.next();
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double distance = fixedSourceDistance.calculate(point.lat(), point.lon());
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while (iter.hasNext()) {
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point = iter.next();
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double newDistance = fixedSourceDistance.calculate(point.lat(), point.lon());
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switch (sortMode) {
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case MIN:
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if (distance > newDistance) {
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distance = newDistance;
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}
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break;
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case MAX:
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if (distance < newDistance) {
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distance = newDistance;
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}
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break;
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}
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}
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return distance;
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}
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}
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}
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@ -37,13 +37,15 @@ public class GeoDistanceComparatorSource extends IndexFieldData.XFieldComparator
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private final double lon;
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private final DistanceUnit unit;
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private final GeoDistance geoDistance;
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private final SortMode sortMode;
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public GeoDistanceComparatorSource(IndexGeoPointFieldData<?> indexFieldData, double lat, double lon, DistanceUnit unit, GeoDistance geoDistance) {
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public GeoDistanceComparatorSource(IndexGeoPointFieldData<?> indexFieldData, double lat, double lon, DistanceUnit unit, GeoDistance geoDistance, SortMode sortMode) {
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this.indexFieldData = indexFieldData;
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this.lat = lat;
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this.lon = lon;
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this.unit = unit;
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this.geoDistance = geoDistance;
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this.sortMode = sortMode;
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}
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@Override
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@ -54,7 +56,6 @@ public class GeoDistanceComparatorSource extends IndexFieldData.XFieldComparator
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@Override
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public FieldComparator<?> newComparator(String fieldname, int numHits, int sortPos, boolean reversed) throws IOException {
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assert indexFieldData.getFieldNames().indexName().equals(fieldname);
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// TODO support multi value?
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return new GeoDistanceComparator(numHits, indexFieldData, lat, lon, unit, geoDistance);
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return new GeoDistanceComparator(numHits, indexFieldData, lat, lon, unit, geoDistance, sortMode);
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}
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}
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@ -39,6 +39,7 @@ public class GeoDistanceSortBuilder extends SortBuilder {
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private GeoDistance geoDistance;
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private DistanceUnit unit;
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private SortOrder order;
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private String sortMode;
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/**
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* Constructs a new distance based sort on a geo point like field.
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@ -102,6 +103,15 @@ public class GeoDistanceSortBuilder extends SortBuilder {
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return this;
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}
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/**
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* Defines which distance to use for sorting in the case a document contains multiple geo points.
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* Possible values: min and max
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*/
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public SortBuilder sortMode(String sortMode) {
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this.sortMode = sortMode;
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return this;
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}
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@Override
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public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
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builder.startObject("_geo_distance");
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@ -121,6 +131,9 @@ public class GeoDistanceSortBuilder extends SortBuilder {
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if (order == SortOrder.DESC) {
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builder.field("reverse", true);
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}
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if (sortMode != null) {
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builder.field("mode", sortMode);
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}
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builder.endObject();
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return builder;
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@ -29,6 +29,7 @@ import org.elasticsearch.common.unit.DistanceUnit;
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import org.elasticsearch.common.xcontent.XContentParser;
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import org.elasticsearch.index.fielddata.IndexGeoPointFieldData;
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import org.elasticsearch.index.fielddata.fieldcomparator.GeoDistanceComparatorSource;
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import org.elasticsearch.index.fielddata.fieldcomparator.SortMode;
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import org.elasticsearch.index.mapper.FieldMapper;
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import org.elasticsearch.index.mapper.geo.GeoPointFieldMapper;
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import org.elasticsearch.search.internal.SearchContext;
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@ -50,6 +51,7 @@ public class GeoDistanceSortParser implements SortParser {
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DistanceUnit unit = DistanceUnit.KILOMETERS;
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GeoDistance geoDistance = GeoDistance.ARC;
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boolean reverse = false;
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SortMode sortMode = null;
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boolean normalizeLon = true;
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boolean normalizeLat = true;
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@ -96,6 +98,8 @@ public class GeoDistanceSortParser implements SortParser {
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} else if ("normalize".equals(currentName)) {
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normalizeLat = parser.booleanValue();
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normalizeLon = parser.booleanValue();
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} else if ("mode".equals(currentName)) {
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sortMode = SortMode.fromString(parser.text());
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} else {
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point.resetFromString(parser.text());
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fieldName = currentName;
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@ -107,12 +111,16 @@ public class GeoDistanceSortParser implements SortParser {
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GeoUtils.normalizePoint(point, normalizeLat, normalizeLon);
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}
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if (sortMode == null) {
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sortMode = reverse ? SortMode.MAX : SortMode.MIN;
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}
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FieldMapper mapper = context.smartNameFieldMapper(fieldName);
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if (mapper == null) {
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throw new ElasticSearchIllegalArgumentException("failed to find mapper for [" + fieldName + "] for geo distance based sort");
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}
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IndexGeoPointFieldData indexFieldData = context.fieldData().getForField(mapper);
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return new SortField(fieldName, new GeoDistanceComparatorSource(indexFieldData, point.lat(), point.lon(), unit, geoDistance), reverse);
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return new SortField(fieldName, new GeoDistanceComparatorSource(indexFieldData, point.lat(), point.lon(), unit, geoDistance, sortMode), reverse);
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}
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}
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@ -29,19 +29,18 @@ import org.elasticsearch.search.SearchHit;
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import org.elasticsearch.search.sort.SortBuilders;
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import org.elasticsearch.search.sort.SortOrder;
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import org.elasticsearch.test.integration.AbstractNodesTests;
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import org.testng.annotations.AfterClass;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
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import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
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import static org.elasticsearch.index.query.FilterBuilders.geoDistanceFilter;
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import static org.elasticsearch.index.query.FilterBuilders.geoDistanceRangeFilter;
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import static org.elasticsearch.index.query.QueryBuilders.filteredQuery;
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import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.hamcrest.Matchers.anyOf;
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import static org.hamcrest.Matchers.equalTo;
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import static org.hamcrest.Matchers.*;
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/**
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*/
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@ -244,7 +243,123 @@ public class GeoDistanceTests extends AbstractNodesTests {
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assertThat(searchResponse.getHits().getAt(1).id(), equalTo("2"));
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assertThat(searchResponse.getHits().getAt(0).id(), equalTo("7"));
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}
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@Test
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public void testDistanceSortingMVFields() throws Exception {
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client.admin().indices().prepareDelete().execute().actionGet();
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String mapping = XContentFactory.jsonBuilder().startObject().startObject("type1")
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.startObject("properties").startObject("locations").field("type", "geo_point").field("lat_lon", true).endObject().endObject()
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.endObject().endObject().string();
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client.admin().indices().prepareCreate("test")
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.setSettings(settingsBuilder().put("index.number_of_shards", 1).put("index.number_of_replicas", 0))
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.addMapping("type1", mapping)
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.execute().actionGet();
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client.admin().cluster().prepareHealth("test").setWaitForEvents(Priority.LANGUID).setWaitForGreenStatus().execute().actionGet();
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client.prepareIndex("test", "type1", "1").setSource(jsonBuilder().startObject()
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.field("names", "New York")
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.startObject("locations").field("lat", 40.7143528).field("lon", -74.0059731).endObject()
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.endObject()).execute().actionGet();
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client.prepareIndex("test", "type1", "2").setSource(jsonBuilder().startObject()
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.field("names", "Times Square", "Tribeca")
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.startArray("locations")
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// to NY: 5.286 km
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.startObject().field("lat", 40.759011).field("lon", -73.9844722).endObject()
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// to NY: 0.4621 km
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.startObject().field("lat", 40.718266).field("lon", -74.007819).endObject()
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.endArray()
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.endObject()).execute().actionGet();
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client.prepareIndex("test", "type1", "3").setSource(jsonBuilder().startObject()
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.field("names", "Wall Street", "Soho")
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.startArray("locations")
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// to NY: 1.055 km
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.startObject().field("lat", 40.7051157).field("lon", -74.0088305).endObject()
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// to NY: 1.258 km
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.startObject().field("lat", 40.7247222).field("lon", -74).endObject()
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.endArray()
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.endObject()).execute().actionGet();
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client.prepareIndex("test", "type1", "4").setSource(jsonBuilder().startObject()
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.field("names", "Greenwich Village", "Brooklyn")
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.startArray("locations")
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// to NY: 2.029 km
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.startObject().field("lat", 40.731033).field("lon", -73.9962255).endObject()
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// to NY: 8.572 km
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.startObject().field("lat", 40.65).field("lon", -73.95).endObject()
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.endArray()
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.endObject()).execute().actionGet();
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client.admin().indices().prepareRefresh().execute().actionGet();
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// Order: Asc
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SearchResponse searchResponse = client.prepareSearch("test").setQuery(matchAllQuery())
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.addSort(SortBuilders.geoDistanceSort("locations").point(40.7143528, -74.0059731).order(SortOrder.ASC))
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.execute().actionGet();
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assertThat(searchResponse.getHits().getTotalHits(), equalTo(4l));
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assertThat(searchResponse.getHits().hits().length, equalTo(4));
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assertThat(searchResponse.getHits().getAt(0).id(), equalTo("1"));
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assertThat(((Number) searchResponse.getHits().getAt(0).sortValues()[0]).doubleValue(), equalTo(0d));
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assertThat(searchResponse.getHits().getAt(1).id(), equalTo("2"));
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assertThat(((Number) searchResponse.getHits().getAt(1).sortValues()[0]).doubleValue(), closeTo(0.4621d, 0.01d));
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assertThat(searchResponse.getHits().getAt(2).id(), equalTo("3"));
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assertThat(((Number) searchResponse.getHits().getAt(2).sortValues()[0]).doubleValue(), closeTo(1.055d, 0.01d));
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assertThat(searchResponse.getHits().getAt(3).id(), equalTo("4"));
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assertThat(((Number) searchResponse.getHits().getAt(3).sortValues()[0]).doubleValue(), closeTo(2.029d, 0.01d));
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// Order: Asc, Mode: max
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searchResponse = client.prepareSearch("test").setQuery(matchAllQuery())
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.addSort(SortBuilders.geoDistanceSort("locations").point(40.7143528, -74.0059731).order(SortOrder.ASC).sortMode("max"))
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.execute().actionGet();
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assertThat(searchResponse.getHits().getTotalHits(), equalTo(4l));
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assertThat(searchResponse.getHits().hits().length, equalTo(4));
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assertThat(searchResponse.getHits().getAt(0).id(), equalTo("1"));
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assertThat(((Number) searchResponse.getHits().getAt(0).sortValues()[0]).doubleValue(), equalTo(0d));
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assertThat(searchResponse.getHits().getAt(1).id(), equalTo("3"));
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assertThat(((Number) searchResponse.getHits().getAt(1).sortValues()[0]).doubleValue(), closeTo(1.258d, 0.01d));
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assertThat(searchResponse.getHits().getAt(2).id(), equalTo("2"));
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assertThat(((Number) searchResponse.getHits().getAt(2).sortValues()[0]).doubleValue(), closeTo(5.286d, 0.01d));
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assertThat(searchResponse.getHits().getAt(3).id(), equalTo("4"));
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assertThat(((Number) searchResponse.getHits().getAt(3).sortValues()[0]).doubleValue(), closeTo(8.572d, 0.01d));
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// Order: Desc
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searchResponse = client.prepareSearch("test").setQuery(matchAllQuery())
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.addSort(SortBuilders.geoDistanceSort("locations").point(40.7143528, -74.0059731).order(SortOrder.DESC))
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.execute().actionGet();
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assertThat(searchResponse.getHits().getTotalHits(), equalTo(4l));
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assertThat(searchResponse.getHits().hits().length, equalTo(4));
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assertThat(searchResponse.getHits().getAt(0).id(), equalTo("4"));
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assertThat(((Number) searchResponse.getHits().getAt(0).sortValues()[0]).doubleValue(), closeTo(8.572d, 0.01d));
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assertThat(searchResponse.getHits().getAt(1).id(), equalTo("2"));
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assertThat(((Number) searchResponse.getHits().getAt(1).sortValues()[0]).doubleValue(), closeTo(5.286d, 0.01d));
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assertThat(searchResponse.getHits().getAt(2).id(), equalTo("3"));
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assertThat(((Number) searchResponse.getHits().getAt(2).sortValues()[0]).doubleValue(), closeTo(1.258d, 0.01d));
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assertThat(searchResponse.getHits().getAt(3).id(), equalTo("1"));
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assertThat(((Number) searchResponse.getHits().getAt(3).sortValues()[0]).doubleValue(), equalTo(0d));
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// Order: Desc, Mode: min
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searchResponse = client.prepareSearch("test").setQuery(matchAllQuery())
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.addSort(SortBuilders.geoDistanceSort("locations").point(40.7143528, -74.0059731).order(SortOrder.DESC).sortMode("min"))
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.execute().actionGet();
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assertThat(searchResponse.getHits().getTotalHits(), equalTo(4l));
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assertThat(searchResponse.getHits().hits().length, equalTo(4));
|
||||
assertThat(searchResponse.getHits().getAt(0).id(), equalTo("4"));
|
||||
assertThat(((Number) searchResponse.getHits().getAt(0).sortValues()[0]).doubleValue(), closeTo(2.029d, 0.01d));
|
||||
assertThat(searchResponse.getHits().getAt(1).id(), equalTo("3"));
|
||||
assertThat(((Number) searchResponse.getHits().getAt(1).sortValues()[0]).doubleValue(), closeTo(1.055d, 0.01d));
|
||||
assertThat(searchResponse.getHits().getAt(2).id(), equalTo("2"));
|
||||
assertThat(((Number) searchResponse.getHits().getAt(2).sortValues()[0]).doubleValue(), closeTo(0.4621d, 0.01d));
|
||||
assertThat(searchResponse.getHits().getAt(3).id(), equalTo("1"));
|
||||
assertThat(((Number) searchResponse.getHits().getAt(3).sortValues()[0]).doubleValue(), equalTo(0d));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void distanceScriptTests() throws Exception {
|
||||
try {
|
||||
|
|
@ -252,12 +367,12 @@ public class GeoDistanceTests extends AbstractNodesTests {
|
|||
} catch (Exception e) {
|
||||
// ignore
|
||||
}
|
||||
|
||||
|
||||
double source_lat = 32.798;
|
||||
double source_long = -117.151;
|
||||
double target_lat = 32.81;
|
||||
double target_long = -117.21;
|
||||
|
||||
|
||||
String mapping = XContentFactory.jsonBuilder().startObject().startObject("type1")
|
||||
.startObject("properties").startObject("location").field("type", "geo_point").field("lat_lon", true).endObject().endObject()
|
||||
.endObject().endObject().string();
|
||||
|
|
@ -271,27 +386,27 @@ public class GeoDistanceTests extends AbstractNodesTests {
|
|||
|
||||
client.admin().indices().prepareRefresh().execute().actionGet();
|
||||
|
||||
SearchResponse searchResponse1 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistance("+target_lat+","+target_long+")").execute().actionGet();
|
||||
SearchResponse searchResponse1 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistance(" + target_lat + "," + target_long + ")").execute().actionGet();
|
||||
Double resultDistance1 = searchResponse1.getHits().getHits()[0].getFields().get("distance").getValue();
|
||||
assertThat(resultDistance1, equalTo(GeoDistance.ARC.calculate(source_lat, source_long, target_lat, target_long, DistanceUnit.MILES)));
|
||||
|
||||
SearchResponse searchResponse2 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].distance("+target_lat+","+target_long+")").execute().actionGet();
|
||||
|
||||
SearchResponse searchResponse2 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].distance(" + target_lat + "," + target_long + ")").execute().actionGet();
|
||||
Double resultDistance2 = searchResponse2.getHits().getHits()[0].getFields().get("distance").getValue();
|
||||
assertThat(resultDistance2, equalTo(GeoDistance.PLANE.calculate(source_lat, source_long, target_lat, target_long, DistanceUnit.MILES)));
|
||||
|
||||
SearchResponse searchResponse3 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistanceInKm("+target_lat+","+target_long+")").execute().actionGet();
|
||||
SearchResponse searchResponse3 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistanceInKm(" + target_lat + "," + target_long + ")").execute().actionGet();
|
||||
Double resultArcDistance3 = searchResponse3.getHits().getHits()[0].getFields().get("distance").getValue();
|
||||
assertThat(resultArcDistance3, equalTo(GeoDistance.ARC.calculate(source_lat, source_long, target_lat, target_long, DistanceUnit.KILOMETERS)));
|
||||
|
||||
SearchResponse searchResponse4 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].distanceInKm("+target_lat+","+target_long+")").execute().actionGet();
|
||||
|
||||
SearchResponse searchResponse4 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].distanceInKm(" + target_lat + "," + target_long + ")").execute().actionGet();
|
||||
Double resultDistance4 = searchResponse4.getHits().getHits()[0].getFields().get("distance").getValue();
|
||||
assertThat(resultDistance4, equalTo(GeoDistance.PLANE.calculate(source_lat, source_long, target_lat, target_long, DistanceUnit.KILOMETERS)));
|
||||
|
||||
SearchResponse searchResponse5 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistanceInKm("+(target_lat)+","+(target_long+360)+")").execute().actionGet();
|
||||
SearchResponse searchResponse5 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistanceInKm(" + (target_lat) + "," + (target_long + 360) + ")").execute().actionGet();
|
||||
Double resultArcDistance5 = searchResponse5.getHits().getHits()[0].getFields().get("distance").getValue();
|
||||
assertThat(resultArcDistance5, equalTo(GeoDistance.ARC.calculate(source_lat, source_long, target_lat, target_long, DistanceUnit.KILOMETERS)));
|
||||
|
||||
SearchResponse searchResponse6 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistanceInKm("+(target_lat+360)+","+(target_long)+")").execute().actionGet();
|
||||
|
||||
SearchResponse searchResponse6 = client.prepareSearch().addField("_source").addScriptField("distance", "doc['location'].arcDistanceInKm(" + (target_lat + 360) + "," + (target_long) + ")").execute().actionGet();
|
||||
Double resultArcDistance6 = searchResponse6.getHits().getHits()[0].getFields().get("distance").getValue();
|
||||
assertThat(resultArcDistance6, equalTo(GeoDistance.ARC.calculate(source_lat, source_long, target_lat, target_long, DistanceUnit.KILOMETERS)));
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue