| /* |
| * Copyright (C) 2011 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.common.annotations; |
| |
| import static java.lang.annotation.ElementType.PACKAGE; |
| import static java.lang.annotation.ElementType.TYPE; |
| |
| import java.lang.annotation.Documented; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Denotes that all parameters, fields or methods within a class or method by |
| * default can not be null. This can be overridden by adding specific |
| * {@link com.android.common.annotations.Nullable} annotations on fields, parameters or |
| * methods that should not use the default. |
| * <p/> |
| * NOTE: Eclipse does not yet handle defaults well (in particular, if |
| * you add this on a class which implements Comparable, then it will insist |
| * that your compare method is changing the nullness of the compare parameter, |
| * so you'll need to add @Nullable on it, which also is not right (since |
| * the method should have implied @NonNull and you do not need to check |
| * the parameter.). For now, it's best to individually annotate methods, |
| * parameters and fields. |
| * <p/> |
| * This is a marker annotation and it has no specific attributes. |
| */ |
| @Documented |
| @Retention(RetentionPolicy.CLASS) |
| @Target({PACKAGE, TYPE}) |
| public @interface NonNullByDefault { |
| } |