| /* |
| * Copyright 2015-present Facebook, Inc. |
| * |
| * 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 com.facebook.buck.rules.keys; |
| |
| import com.facebook.buck.rules.BuildRule; |
| import com.facebook.buck.rules.RuleKey; |
| import com.facebook.buck.rules.RuleKeyAppendable; |
| |
| import java.lang.reflect.Field; |
| |
| |
| class AppendingAlterRuleKey extends AbstractAlterRuleKey { |
| public AppendingAlterRuleKey(Field field) { |
| super(field); |
| } |
| |
| @Override |
| public void amendKey(RuleKey.Builder builder, BuildRule rule) { |
| RuleKeyAppendable appendable = (RuleKeyAppendable) getValue( |
| field, |
| rule); |
| if (appendable != null) { |
| appendable.appendToRuleKey(builder, field.getName()); |
| } |
| } |
| } |