diff --git a/java8/src/main/java/org/jetbrains/annotations/Unmodifiable.java b/java8/src/main/java/org/jetbrains/annotations/Unmodifiable.java new file mode 100644 index 0000000..37bcc4d --- /dev/null +++ b/java8/src/main/java/org/jetbrains/annotations/Unmodifiable.java @@ -0,0 +1,33 @@ +/* + * 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 + * + * 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 org.jetbrains.annotations; + +import java.lang.annotation.*; + +/** + * An annotation which marks a {@link java.util.Collection} or {@link java.util.Map} type + * as unmodifiable. A collection or a map is unmodifiable if any mutator methods + * throw exception or have no effect, and the objects stored as collection elements, + * map keys, and map values are never changed. + * + * @see UnmodifiableView + * @since 19.0.0 + */ +@Documented +@Retention(RetentionPolicy.CLASS) +@Target({ElementType.TYPE_USE}) +public @interface Unmodifiable { +} \ No newline at end of file diff --git a/java8/src/main/java/org/jetbrains/annotations/UnmodifiableView.java b/java8/src/main/java/org/jetbrains/annotations/UnmodifiableView.java new file mode 100644 index 0000000..efb7169 --- /dev/null +++ b/java8/src/main/java/org/jetbrains/annotations/UnmodifiableView.java @@ -0,0 +1,33 @@ +/* + * 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 + * + * 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 org.jetbrains.annotations; + +import java.lang.annotation.*; + +/** + * An annotation which marks a {@link java.util.Collection} or {@link java.util.Map} type + * as unmodifiable. A collection or a map is unmodifiable 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 { +} \ No newline at end of file