org.sosy_lab.cpachecker.cpa.coverage.CoverageState.java Source code

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Here is the source code for org.sosy_lab.cpachecker.cpa.coverage.CoverageState.java

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/*
 *  CPAchecker is a tool for configurable software verification.
 *  This file is part of CPAchecker.
 *
 *  Copyright (C) 2007-2014  Dirk Beyer
 *  All rights reserved.
 *
 *  Licensed 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.
 *
 *
 *  CPAchecker web page:
 *    http://cpachecker.sosy-lab.org
 */
package org.sosy_lab.cpachecker.cpa.coverage;

import org.sosy_lab.cpachecker.core.interfaces.AbstractState;

import com.google.common.base.Preconditions;

public class CoverageState implements AbstractState {

    private static CoverageState instance = new CoverageState();

    private CoverageState() {
    }

    public static CoverageState getSingleton() {
        Preconditions.checkNotNull(instance);
        return instance;
    }

    @Override
    public boolean equals(Object pObj) {
        return this == pObj;
    }

    @Override
    public int hashCode() {
        return super.hashCode();
    }

}