| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.cassandra.dht; |
| |
| abstract class ComparableObjectToken<C extends Comparable<C>> extends Token |
| { |
| private static final long serialVersionUID = 1L; |
| |
| final C token; // Package-private to allow access from subtypes, which should all reside in the dht package. |
| |
| protected ComparableObjectToken(C token) |
| { |
| this.token = token; |
| } |
| |
| @Override |
| public C getTokenValue() |
| { |
| return token; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return token.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) |
| { |
| if (this == obj) |
| return true; |
| if (obj == null || this.getClass() != obj.getClass()) |
| return false; |
| |
| return token.equals(((ComparableObjectToken<?>)obj).token); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return token.hashCode(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public int compareTo(Token o) |
| { |
| if (o.getClass() != getClass()) |
| throw new IllegalArgumentException("Invalid type of Token.compareTo() argument."); |
| |
| return token.compareTo(((ComparableObjectToken<C>) o).token); |
| } |
| } |