| /****************************************************************************** |
| * Copyright (c) 2016 TypeFox and others. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| ******************************************************************************/ |
| package org.eclipse.lsp4j.jsonrpc.validation; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Indicates that the annotated field or parameter must not be set to {@code null}. If validation |
| * is active, an exception is thrown when a message is received where a {@code NonNull} field |
| * has a {@code null} or {@code undefined} value. |
| * |
| * In order to achieve consistent behavior, for every field with this annotation the corresponding |
| * getter method as well as the parameter of the corresponding setter method are also expected to |
| * be annotated. |
| */ |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER, ElementType.TYPE_PARAMETER}) |
| public @interface NonNull { |
| } |