| /* |
| * 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.analytics.function.field; |
| |
| import java.io.IOException; |
| import java.util.function.Consumer; |
| import java.util.function.DoubleConsumer; |
| import java.util.function.LongConsumer; |
| |
| import org.apache.lucene.index.DocValues; |
| import org.apache.lucene.index.LeafReaderContext; |
| import org.apache.lucene.index.SortedNumericDocValues; |
| import org.apache.solr.analytics.value.LongValueStream.CastingLongValueStream; |
| import org.apache.solr.schema.LongPointField; |
| |
| /** |
| * An analytics wrapper for a multi-valued {@link LongPointField} with DocValues enabled. |
| */ |
| public class LongMultiPointField extends AnalyticsField implements CastingLongValueStream { |
| private SortedNumericDocValues docValues; |
| private int count; |
| private long[] values; |
| |
| public LongMultiPointField(String fieldName) { |
| super(fieldName); |
| count = 0; |
| values = new long[initialArrayLength]; |
| } |
| |
| @Override |
| public void doSetNextReader(LeafReaderContext context) throws IOException { |
| docValues = DocValues.getSortedNumeric(context.reader(), fieldName); |
| } |
| |
| @Override |
| public void collect(int doc) throws IOException { |
| if (docValues.advanceExact(doc)) { |
| count = docValues.docValueCount(); |
| resizeEmptyValues(count); |
| for (int i = 0; i < count; ++i) { |
| values[i] = docValues.nextValue(); |
| } |
| } else { |
| count = 0; |
| } |
| } |
| |
| private void resizeEmptyValues(int count) { |
| if (count > values.length) { |
| values = new long[count]; |
| } |
| } |
| |
| @Override |
| public void streamLongs(LongConsumer cons) { |
| for (int i = 0; i < count; ++i) { |
| cons.accept(values[i]); |
| } |
| } |
| @Override |
| public void streamDoubles(DoubleConsumer cons) { |
| streamLongs(value -> cons.accept((double)value)); |
| } |
| @Override |
| public void streamStrings(Consumer<String> cons) { |
| streamLongs(value -> cons.accept(Long.toString(value))); |
| } |
| @Override |
| public void streamObjects(Consumer<Object> cons) { |
| streamLongs(value -> cons.accept(value)); |
| } |
| } |