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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2022 Guardsquare NV
 *
 * 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.
 */

package proguard.analysis.cpa.defaults;

import proguard.analysis.cpa.interfaces.AbstractState;

/**
 * This {@link AbstractState} wraps an arbitrary number of other {@link AbstractState}s.
 *
 * @author Dmitry Ivanov
 */
public abstract class AbstractWrapperState implements AbstractState {

  /** Returns the wrapped abstract states. */
  public abstract Iterable getWrappedStates();

  // implementations for AbstractState

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (!(obj instanceof AbstractWrapperState)) {
      return false;
    }
    AbstractWrapperState other = (AbstractWrapperState) obj;
    return getWrappedStates().equals(other.getWrappedStates());
  }

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