guava

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/*
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 * Copyright (C) 2010 The Guava Authors
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.google.common.collect.testing;
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import com.google.common.annotations.GwtCompatible;
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import java.io.Serializable;
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import org.checkerframework.checker.nullness.qual.Nullable;
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/**
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 * Simple base class to verify that we handle generics correctly.
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 *
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 * @author Kevin Bourrillion
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 */
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@GwtCompatible
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public class BaseComparable implements Comparable<BaseComparable>, Serializable {
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  private final String s;
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  public BaseComparable(String s) {
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    this.s = s;
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  }
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  @Override
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  public int hashCode() { // delegate to 's'
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    return s.hashCode();
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  }
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  @Override
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  public boolean equals(@Nullable Object other) {
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    if (other == null) {
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      return false;
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    } else if (other instanceof BaseComparable) {
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      return s.equals(((BaseComparable) other).s);
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    } else {
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      return false;
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    }
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  }
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  @Override
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  public int compareTo(BaseComparable o) {
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    return s.compareTo(o.s);
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  }
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  private static final long serialVersionUID = 0;
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}
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