| /* |
| * 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.lucene.document; |
| |
| import org.apache.lucene.search.MultiRangeQuery; |
| |
| import static org.apache.lucene.document.FloatPoint.decodeDimension; |
| import static org.apache.lucene.document.FloatPoint.pack; |
| |
| /** |
| * Builder for multi range queries for FloatPoints |
| */ |
| public class FloatPointMultiRangeBuilder extends MultiRangeQuery.Builder { |
| public FloatPointMultiRangeBuilder(String field, int numDims) { |
| super(field, Float.BYTES, numDims); |
| } |
| |
| @Override |
| public MultiRangeQuery build() { |
| return new MultiRangeQuery(field, numDims, bytesPerDim, clauses) { |
| @Override |
| protected String toString(int dimension, byte[] value) { |
| return Float.toString(decodeDimension(value, 0)); |
| } |
| }; |
| } |
| |
| public void add(float[] lowerValue, float[] upperValue) { |
| if (upperValue.length != numDims || lowerValue.length != numDims) { |
| throw new IllegalArgumentException("Passed in range does not conform to specified dimensions"); |
| } |
| |
| for (int i = 0; i < numDims; i++) { |
| if (upperValue[i] < lowerValue[i]) { |
| throw new IllegalArgumentException("Upper value of range should be greater than lower value of range"); |
| } |
| } |
| add(pack(lowerValue).bytes, pack(upperValue).bytes); |
| } |
| } |