/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.ignite.resources; import java.lang.annotation.Documented; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; /** * Annotates a field or a setter method for injection of primary Ignite filesystem to a secondary * filesystem implementation. * * <p> * Here is how injection would typically happen: * <pre name="code" class="java"> * public class MySecondaryFS implements IgfsSecondaryFileSystem { * ... * // Inject instance of primary filesystem. * @FileSystemResource * private IgniteFileSystem igfs; * ... * } * </pre> * or attach the same annotations to methods: * <pre name="code" class="java"> * public class MySecondaryFS implements IgfsSecondaryFileSystem { * ... * private IgniteFileSystem igfs; * ... * // Inject instance of primary filesystem. * @FileSystemResource * public void setIgfs(IgniteFileSystem igfs) { * this.igfs = igfs; * } * ... * } * </pre> * <p> */ @Documented @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.METHOD, ElementType.FIELD}) public @interface FileSystemResource { // No-op. }