1 /* 2 * Copyright 2016 Google LLC 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.cloud.dns; 18 19 import static com.google.common.base.Preconditions.checkNotNull; 20 21 import com.google.cloud.dns.spi.v1.DnsRpc; 22 import com.google.common.base.MoreObjects; 23 import java.io.Serializable; 24 import java.util.Objects; 25 26 /** A base class for options. */ 27 abstract class Option implements Serializable { 28 29 private static final long serialVersionUID = -5912727967831484228L; 30 private final Object value; 31 private final DnsRpc.Option rpcOption; 32 Option(DnsRpc.Option rpcOption, Object value)33 Option(DnsRpc.Option rpcOption, Object value) { 34 this.rpcOption = checkNotNull(rpcOption); 35 this.value = value; 36 } 37 getValue()38 Object getValue() { 39 return value; 40 } 41 getRpcOption()42 DnsRpc.Option getRpcOption() { 43 return rpcOption; 44 } 45 46 @Override equals(Object obj)47 public boolean equals(Object obj) { 48 if (!(obj instanceof Option)) { 49 return false; 50 } 51 Option other = (Option) obj; 52 return Objects.equals(value, other.value) && Objects.equals(rpcOption, other.rpcOption); 53 } 54 55 @Override hashCode()56 public int hashCode() { 57 return Objects.hash(value, rpcOption); 58 } 59 60 @Override toString()61 public String toString() { 62 return MoreObjects.toStringHelper(this) 63 .add("value", value) 64 .add("rpcOption", rpcOption) 65 .toString(); 66 } 67 } 68