diff options
Diffstat (limited to 'qpid/java/management/client/src/main/java/org/apache/qpid/management/wsdm/common/ThreadSessionManager.java')
-rw-r--r-- | qpid/java/management/client/src/main/java/org/apache/qpid/management/wsdm/common/ThreadSessionManager.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/qpid/java/management/client/src/main/java/org/apache/qpid/management/wsdm/common/ThreadSessionManager.java b/qpid/java/management/client/src/main/java/org/apache/qpid/management/wsdm/common/ThreadSessionManager.java new file mode 100644 index 0000000000..6a081bfec4 --- /dev/null +++ b/qpid/java/management/client/src/main/java/org/apache/qpid/management/wsdm/common/ThreadSessionManager.java @@ -0,0 +1,68 @@ +/* + * + * 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.qpid.management.wsdm.common; + +/** + * Thread session manager used to handle thread-scoped sessions. + * + * @author Andrea Gazzarini + */ +public final class ThreadSessionManager +{ + private static ThreadSessionManager instance = new ThreadSessionManager(); + + private ThreadLocal<ThreadSession> sessions; + + /** + * Builds and initializes a new manager. + */ + private ThreadSessionManager() + { + this.sessions = new ThreadLocal<ThreadSession>(); + } + + /** + * Returns the singleton instance of this manager. + * + * @return the singleton instance of this manager. + */ + public static ThreadSessionManager getInstance() + { + return instance; + } + + /** + * Returns (or create and returns) the session associated with the + * current thread. + * + * @return the thread session. + */ + public ThreadSession getSession() + { + ThreadSession session = (ThreadSession) sessions.get(); + if (session == null) + { + session = new ThreadSession(); + sessions.set(session); + } + return session; + } +}
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