| /* |
| * Copyright 2007 Google 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 java.lang; |
| |
| import javaemul.internal.JsUtils; |
| |
| import jsinterop.annotations.JsMethod; |
| |
| /** |
| * An interface used a basis for implementing custom ordering. <a |
| * href="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Comparable.html">[Sun |
| * docs]</a> |
| * |
| * @param <T> the type to compare to. |
| */ |
| public interface Comparable<T> { |
| int compareTo(T other); |
| |
| // CHECKSTYLE_OFF: Utility methods. |
| @JsMethod |
| static boolean $isInstance(HasComparableTypeMarker instance) { |
| String type = JsUtils.typeOf(instance); |
| if (type.equals("boolean") || type.equals("number") || type.equals("string")) { |
| return true; |
| } |
| |
| return instance != null && instance.getTypeMarker() == true; |
| } |
| // CHECKSTYLE_ON: end utility methods |
| } |