| /* |
| * |
| * 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.airavata.common.context; |
| |
| /** |
| * The workflow context class. This will be local to a thread. Workflow data that needs to propagate relevant to a |
| * request will be stored here. We use thread local globals to store request data. Currently we only store user |
| * identity. |
| */ |
| public class WorkflowContext { |
| |
| private static final ThreadLocal userThreadLocal = new InheritableThreadLocal(); |
| |
| /** |
| * Sets the context. |
| * |
| * @param context |
| * The context to be set. - Careful when calling this. Make sure other data relevant to context is |
| * preserved. |
| */ |
| public static void set(RequestContext context) { |
| userThreadLocal.set(context); |
| } |
| |
| /** |
| * Clears the context |
| */ |
| public static void unset() { |
| userThreadLocal.remove(); |
| } |
| |
| /** |
| * Gets the context associated with current context. |
| * |
| * @return The context associated with current thread. |
| */ |
| public static RequestContext get() { |
| return (RequestContext) userThreadLocal.get(); |
| } |
| |
| /** |
| * Gets the user associated with current user. |
| * |
| * @return User id associated with current request. |
| */ |
| public static synchronized String getRequestUser() { |
| |
| RequestContext requestContext = (RequestContext) userThreadLocal.get(); |
| |
| if (requestContext != null) { |
| return requestContext.getUserIdentity(); |
| } |
| |
| return null; |
| } |
| |
| public static synchronized String getGatewayId() { |
| |
| RequestContext requestContext = (RequestContext) userThreadLocal.get(); |
| |
| if (requestContext != null) { |
| return requestContext.getGatewayId(); |
| } |
| |
| return null; |
| } |
| } |