/*
* 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.cloudstack.managed.context;
public class ManagedContextUtils {
private static final ThreadLocal<Object> OWNER = new ThreadLocal<Object>();
public static boolean setAndCheckOwner(Object owner) {
if (OWNER.get() == null) {
OWNER.set(owner);
return true;
}
return false;
}
public static boolean clearOwner(Object owner) {
if (OWNER.get() == owner) {
OWNER.remove();
return true;
}
return false;
}
public static boolean isInContext() {
return OWNER.get() != null;
}
public static void rethrowException(Throwable t) {
if (t instanceof RuntimeException) {
throw (RuntimeException)t;
} else if (t instanceof Error) {
throw (Error)t;
}
}
}