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* Copyright 2000-2020 JetBrains s.r.o.
*
* 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
*
* https://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.
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package org.jetbrains.annotations;
import java.lang.annotation.*;
An annotation which marks a Collection
or Map
type as unmodifiable view. A collection or a map is unmodifiable view if any mutator methods (e.g. Collection.add(Object)
) throw exception or have no effect. However, the content of the collection or the map may still be updated by other code. See Also: Since: 19.0.0
/**
* An annotation which marks a {@link java.util.Collection} or {@link java.util.Map} type
* as unmodifiable view. A collection or a map is unmodifiable view if any mutator methods
* (e.g. {@link java.util.Collection#add(Object)}) throw exception or have no effect.
* However, the content of the collection or the map may still be updated by other code.
*
* @see Unmodifiable
* @since 19.0.0
*/
@Documented
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.TYPE_USE})
public @interface UnmodifiableView {
}