    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.bcel.verifier.statics;
    018
    019import org.apache.bcel.Const;
    020import org.apache.bcel.generic.Type;
    021
    022/**
    023 * This class represents the upper half of a DOUBLE variable.
    024 */
    025public final class DOUBLE_Upper extends Type {
    026
    027    /** The one and only instance of this class. */
    028    private static final DOUBLE_Upper singleton = new DOUBLE_Upper();
    029
    030    /**
    031     * Gets the single instance of this class.
    032     *
    033     * @return the single instance of this class.
    034     */
    035    public static DOUBLE_Upper theInstance() {
    036        return singleton;
    037    }
    038
    039    /** The constructor; this class must not be instantiated from the outside. */
    040    private DOUBLE_Upper() {
    041        super(Const.T_UNKNOWN, "Double_Upper");
    042    }
    043}