48 lines
1.8 KiB
Java
48 lines
1.8 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.annotations;
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import static java.lang.annotation.ElementType.PACKAGE;
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import static java.lang.annotation.ElementType.TYPE;
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import java.lang.annotation.Documented;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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/**
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* Denotes that all parameters, fields or methods within a class or method by
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* default can not be null. This can be overridden by adding specific
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* {@link com.android.annotations.Nullable} annotations on fields, parameters or
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* methods that should not use the default.
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* <p/>
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* NOTE: Eclipse does not yet handle defaults well (in particular, if
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* you add this on a class which implements Comparable, then it will insist
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* that your compare method is changing the nullness of the compare parameter,
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* so you'll need to add @Nullable on it, which also is not right (since
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* the method should have implied @NonNull and you do not need to check
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* the parameter.). For now, it's best to individually annotate methods,
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* parameters and fields.
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* <p/>
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* This is a marker annotation and it has no specific attributes.
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*/
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@Documented
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@Retention(RetentionPolicy.SOURCE)
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@Target({PACKAGE, TYPE})
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@interface NonNullByDefault {
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}
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