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refactor inner geogrid classes to own class files #37596
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95 changes: 95 additions & 0 deletions
95
server/src/main/java/org/elasticsearch/search/aggregations/bucket/geogrid/CellIdSource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Licensed to Elasticsearch under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch licenses this file to you under | ||
| * the Apache License, Version 2.0 (the "License"); you may | ||
| * not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.elasticsearch.search.aggregations.bucket.geogrid; | ||
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| import org.apache.lucene.index.LeafReaderContext; | ||
| import org.apache.lucene.index.SortedNumericDocValues; | ||
| import org.elasticsearch.common.geo.GeoHashUtils; | ||
| import org.elasticsearch.index.fielddata.AbstractSortingNumericDocValues; | ||
| import org.elasticsearch.index.fielddata.MultiGeoPointValues; | ||
| import org.elasticsearch.index.fielddata.SortedBinaryDocValues; | ||
| import org.elasticsearch.index.fielddata.SortedNumericDoubleValues; | ||
| import org.elasticsearch.search.aggregations.support.ValuesSource; | ||
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| import java.io.IOException; | ||
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| /** | ||
| * Wrapper class to help convert {@link MultiGeoPointValues} | ||
| * to numeric long values for bucketing. | ||
| */ | ||
| class CellIdSource extends ValuesSource.Numeric { | ||
| private final ValuesSource.GeoPoint valuesSource; | ||
| private final int precision; | ||
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| CellIdSource(GeoPoint valuesSource, int precision) { | ||
| this.valuesSource = valuesSource; | ||
| //different GeoPoints could map to the same or different geohash cells. | ||
| this.precision = precision; | ||
| } | ||
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| public int precision() { | ||
| return precision; | ||
| } | ||
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| @Override | ||
| public boolean isFloatingPoint() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public SortedNumericDocValues longValues(LeafReaderContext ctx) { | ||
| return new CellValues(valuesSource.geoPointValues(ctx), precision); | ||
| } | ||
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| @Override | ||
| public SortedNumericDoubleValues doubleValues(LeafReaderContext ctx) { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
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| @Override | ||
| public SortedBinaryDocValues bytesValues(LeafReaderContext ctx) { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| private static class CellValues extends AbstractSortingNumericDocValues { | ||
| private MultiGeoPointValues geoValues; | ||
| private int precision; | ||
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| protected CellValues(MultiGeoPointValues geoValues, int precision) { | ||
| this.geoValues = geoValues; | ||
| this.precision = precision; | ||
| } | ||
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| @Override | ||
| public boolean advanceExact(int docId) throws IOException { | ||
| if (geoValues.advanceExact(docId)) { | ||
| resize(geoValues.docValueCount()); | ||
| for (int i = 0; i < docValueCount(); ++i) { | ||
| org.elasticsearch.common.geo.GeoPoint target = geoValues.nextValue(); | ||
| values[i] = GeoHashUtils.longEncode(target.getLon(), target.getLat(), | ||
| precision); | ||
| } | ||
| sort(); | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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132 changes: 132 additions & 0 deletions
132
server/src/main/java/org/elasticsearch/search/aggregations/bucket/geogrid/GeoGridBucket.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| /* | ||
| * Licensed to Elasticsearch under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch licenses this file to you under | ||
| * the Apache License, Version 2.0 (the "License"); you may | ||
| * not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.elasticsearch.search.aggregations.bucket.geogrid; | ||
|
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| import org.elasticsearch.common.geo.GeoHashUtils; | ||
| import org.elasticsearch.common.geo.GeoPoint; | ||
| import org.elasticsearch.common.io.stream.StreamInput; | ||
| import org.elasticsearch.common.io.stream.StreamOutput; | ||
| import org.elasticsearch.common.xcontent.XContentBuilder; | ||
| import org.elasticsearch.search.aggregations.Aggregation; | ||
| import org.elasticsearch.search.aggregations.Aggregations; | ||
| import org.elasticsearch.search.aggregations.InternalAggregation; | ||
| import org.elasticsearch.search.aggregations.InternalAggregations; | ||
| import org.elasticsearch.search.aggregations.InternalMultiBucketAggregation; | ||
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Objects; | ||
|
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| class GeoGridBucket extends InternalMultiBucketAggregation.InternalBucket implements GeoHashGrid.Bucket, Comparable<GeoGridBucket> { | ||
|
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| protected long geohashAsLong; | ||
| protected long docCount; | ||
| protected InternalAggregations aggregations; | ||
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| GeoGridBucket(long geohashAsLong, long docCount, InternalAggregations aggregations) { | ||
| this.docCount = docCount; | ||
| this.aggregations = aggregations; | ||
| this.geohashAsLong = geohashAsLong; | ||
| } | ||
|
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| /** | ||
| * Read from a stream. | ||
| */ | ||
| GeoGridBucket(StreamInput in) throws IOException { | ||
| geohashAsLong = in.readLong(); | ||
| docCount = in.readVLong(); | ||
| aggregations = InternalAggregations.readAggregations(in); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeLong(geohashAsLong); | ||
| out.writeVLong(docCount); | ||
| aggregations.writeTo(out); | ||
| } | ||
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| @Override | ||
| public String getKeyAsString() { | ||
| return GeoHashUtils.stringEncode(geohashAsLong); | ||
| } | ||
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| @Override | ||
| public GeoPoint getKey() { | ||
| return GeoPoint.fromGeohash(geohashAsLong); | ||
| } | ||
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| @Override | ||
| public long getDocCount() { | ||
| return docCount; | ||
| } | ||
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| @Override | ||
| public Aggregations getAggregations() { | ||
| return aggregations; | ||
| } | ||
|
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| @Override | ||
| public int compareTo(GeoGridBucket other) { | ||
| if (this.geohashAsLong > other.geohashAsLong) { | ||
| return 1; | ||
| } | ||
| if (this.geohashAsLong < other.geohashAsLong) { | ||
| return -1; | ||
| } | ||
| return 0; | ||
| } | ||
|
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| public GeoGridBucket reduce(List<? extends GeoGridBucket> buckets, InternalAggregation.ReduceContext context) { | ||
| List<InternalAggregations> aggregationsList = new ArrayList<>(buckets.size()); | ||
| long docCount = 0; | ||
| for (GeoGridBucket bucket : buckets) { | ||
| docCount += bucket.docCount; | ||
| aggregationsList.add(bucket.aggregations); | ||
| } | ||
| final InternalAggregations aggs = InternalAggregations.reduce(aggregationsList, context); | ||
| return new GeoGridBucket(geohashAsLong, docCount, aggs); | ||
| } | ||
|
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| builder.startObject(); | ||
| builder.field(Aggregation.CommonFields.KEY.getPreferredName(), getKeyAsString()); | ||
| builder.field(Aggregation.CommonFields.DOC_COUNT.getPreferredName(), docCount); | ||
| aggregations.toXContentInternal(builder, params); | ||
| builder.endObject(); | ||
| return builder; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| GeoGridBucket bucket = (GeoGridBucket) o; | ||
| return geohashAsLong == bucket.geohashAsLong && | ||
| docCount == bucket.docCount && | ||
| Objects.equals(aggregations, bucket.aggregations); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(geohashAsLong, docCount, aggregations); | ||
| } | ||
|
|
||
| } |
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