/*
 * 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
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package org.apache.lucene.queries.function.valuesource;

import java.io.IOException;

import org.apache.lucene.queries.function.FunctionValues;
import org.apache.lucene.queries.function.ValueSource;

MinFloatFunction returns the min of its components.
/** * <code>MinFloatFunction</code> returns the min of its components. */
public class MinFloatFunction extends MultiFloatFunction { public MinFloatFunction(ValueSource[] sources) { super(sources); } @Override protected String name() { return "min"; } @Override protected float func(int doc, FunctionValues[] valsArr) throws IOException { if ( ! exists(doc, valsArr) ) return 0.0f; float val = Float.POSITIVE_INFINITY; for (FunctionValues vals : valsArr) { if (vals.exists(doc)) { val = Math.min(vals.floatVal(doc), val); } } return val; }
True if any of the specified values FunctionValues.exists for the specified doc, else false.
See Also:
/** * True if <em>any</em> of the specified <code>values</code> * {@link FunctionValues#exists} for the specified doc, else false. * * @see MultiFunction#anyExists */
@Override protected boolean exists(int doc, FunctionValues[] valsArr) throws IOException { return MultiFunction.anyExists(doc, valsArr); } }