| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.solr.search.join; |
| |
| import java.io.IOException; |
| |
| import org.apache.lucene.document.DoublePoint; |
| import org.apache.lucene.document.FloatPoint; |
| import org.apache.lucene.document.IntPoint; |
| import org.apache.lucene.document.LongPoint; |
| import org.apache.lucene.index.DocValues; |
| import org.apache.lucene.index.LeafReaderContext; |
| import org.apache.lucene.index.SortedNumericDocValues; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.util.NumericUtils; |
| import org.apache.solr.schema.NumberType; |
| import org.apache.solr.schema.SchemaField; |
| import org.apache.solr.search.DocSet; |
| import org.apache.solr.util.LongIterator; |
| import org.apache.solr.util.LongSet; |
| |
| /** @lucene.internal */ |
| public class GraphPointsCollector extends GraphEdgeCollector { |
| final LongSet set = new LongSet(256); |
| |
| SortedNumericDocValues values = null; |
| |
| public GraphPointsCollector(SchemaField collectField, DocSet skipSet, DocSet leafNodes) { |
| super(collectField, skipSet, leafNodes); |
| } |
| |
| @Override |
| public void doSetNextReader(LeafReaderContext context) throws IOException { |
| super.doSetNextReader(context); |
| values = DocValues.getSortedNumeric(context.reader(), collectField.getName()); |
| } |
| |
| @Override |
| void addEdgeIdsToResult(int doc) throws IOException { |
| // set the doc to pull the edges ids for. |
| int valuesDoc = values.docID(); |
| if (valuesDoc < doc) { |
| valuesDoc = values.advance(doc); |
| } |
| if (valuesDoc == doc) { |
| int count = values.docValueCount(); |
| for (int i = 0; i < count; i++) { |
| // duplicates may be produced for a single doc, but won't matter here. |
| long v = values.nextValue(); |
| set.add(v); |
| } |
| } |
| } |
| |
| @Override |
| public Query getResultQuery(SchemaField matchField, boolean useAutomaton) { |
| if (set.cardinality() == 0) return null; |
| |
| Query q = null; |
| |
| // How we interpret the longs collected depends on the field we collect from (single valued can be diff from multi valued) |
| // The basic type of the from & to field must match though (int/long/float/double) |
| NumberType ntype = collectField.getType().getNumberType(); |
| boolean multiValued = collectField.multiValued(); |
| |
| if (ntype == NumberType.LONG || ntype == NumberType.DATE) { |
| long[] vals = new long[set.cardinality()]; |
| int i = 0; |
| for (LongIterator iter = set.iterator(); iter.hasNext(); ) { |
| long bits = iter.next(); |
| long v = bits; |
| vals[i++] = v; |
| } |
| q = LongPoint.newSetQuery(matchField.getName(), vals); |
| } else if (ntype == NumberType.INTEGER) { |
| int[] vals = new int[set.cardinality()]; |
| int i = 0; |
| for (LongIterator iter = set.iterator(); iter.hasNext(); ) { |
| long bits = iter.next(); |
| int v = (int)bits; |
| vals[i++] = v; |
| } |
| q = IntPoint.newSetQuery(matchField.getName(), vals); |
| } else if (ntype == NumberType.DOUBLE) { |
| double[] vals = new double[set.cardinality()]; |
| int i = 0; |
| for (LongIterator iter = set.iterator(); iter.hasNext(); ) { |
| long bits = iter.next(); |
| double v = multiValued ? NumericUtils.sortableLongToDouble(bits) : Double.longBitsToDouble(bits); |
| vals[i++] = v; |
| } |
| q = DoublePoint.newSetQuery(matchField.getName(), vals); |
| } else if (ntype == NumberType.FLOAT) { |
| float[] vals = new float[set.cardinality()]; |
| int i = 0; |
| for (LongIterator iter = set.iterator(); iter.hasNext(); ) { |
| long bits = iter.next(); |
| float v = multiValued ? NumericUtils.sortableIntToFloat((int) bits) : Float.intBitsToFloat((int) bits); |
| vals[i++] = v; |
| } |
| q = FloatPoint.newSetQuery(matchField.getName(), vals); |
| } |
| |
| return q; |
| } |
| |
| |
| } |