001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.rng.simple.internal;
018
019/**
020 * Composes two {@link SeedConverter converters}.
021 *
022 * @param <IN> Input seed type.
023 * @param <TRANS> Transitional seed type.
024 * @param <OUT> Output seed type.
025 *
026 * @since 1.0
027 */
028public class SeedConverterComposer<IN, TRANS, OUT> implements SeedConverter<IN, OUT> {
029    /** First conversion. */
030    private final SeedConverter<IN, TRANS> first;
031    /** Second conversion. */
032    private final SeedConverter<TRANS, OUT> second;
033
034    /**
035     * @param first First conversion.
036     * @param second second conversion.
037     */
038    public SeedConverterComposer(SeedConverter<IN, TRANS> first,
039                                 SeedConverter<TRANS, OUT> second) {
040        this.first = first;
041        this.second = second;
042    }
043
044    /** {@inheritDoc} */
045    @Override
046    public OUT convert(IN seed) {
047        final TRANS trans = first.convert(seed);
048        return second.convert(trans);
049    }
050}