| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * 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.android.tools.idea.editors.navigation.model; |
| |
| import com.android.annotations.NonNull; |
| import com.android.tools.idea.editors.navigation.annotations.Property; |
| |
| public abstract class State { |
| private final String className; |
| |
| public abstract static class Visitor { |
| public abstract void visit(ActivityState state); |
| public abstract void visit(MenuState state); |
| } |
| |
| public static class BaseVisitor extends Visitor { |
| @Override |
| public void visit(ActivityState state) { |
| } |
| |
| @Override |
| public void visit(MenuState state) { |
| } |
| } |
| |
| protected State(@Property("className") String className) { |
| this.className = className; |
| } |
| |
| public abstract void accept(Visitor visitor); |
| |
| @NonNull |
| public String getClassName() { |
| return className; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| State that = (State)o; |
| |
| if (!className.equals(that.className)) return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return className.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + "{" + className + '}'; |
| } |
| } |