| /* |
| * 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.jackrabbit.oak.jcr.session; |
| |
| import org.apache.commons.lang3.reflect.FieldUtils; |
| import org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate; |
| import org.apache.jackrabbit.test.AbstractJCRTest; |
| |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Session; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class SessionStatsTest extends AbstractJCRTest { |
| |
| /** |
| * Tests if the init stack trace is not recorded by default. |
| */ |
| public void testInitStackTraceDisabledByDefault() throws IllegalAccessException { |
| assertTrue("initStackTrace is not empty", getInitStackTrace(superuser).isEmpty()); |
| } |
| |
| /** |
| * Tests if the init stack trace is recorded after opening a lot of sessions. |
| */ |
| public void testInitStackTraceEnabledAfterOpeningManySessions() |
| throws IllegalAccessException, RepositoryException { |
| final int sessionCount = SessionStats.INIT_STACK_TRACE_THRESHOLD + 1; |
| final List<Session> sessions = new ArrayList<Session>(sessionCount); |
| for (int i = 0; i < sessionCount; i++) { |
| sessions.add(createSession()); |
| } |
| |
| // Stack trace should be recorded by now |
| Session lastSession = sessions.get(sessionCount - 1); |
| assertFalse("initStackTrace is empty", getInitStackTrace(lastSession).isEmpty()); |
| |
| for (Session session : sessions) { |
| session.logout(); |
| } |
| |
| // Stack trace should not be recorded anymore |
| Session afterSession = createSession(); |
| assertTrue("initStackTrace is not empty", getInitStackTrace(afterSession).isEmpty()); |
| afterSession.logout(); |
| } |
| |
| private Session createSession() throws RepositoryException { |
| return getHelper().getReadWriteSession(); |
| } |
| |
| private String getInitStackTrace(Session session) throws IllegalAccessException { |
| SessionDelegate sessionDelegate = (SessionDelegate) FieldUtils.readDeclaredField(session, "sd", true); |
| SessionStats sessionStats = sessionDelegate.getSessionStats(); |
| return sessionStats.getInitStackTrace(); |
| } |
| |
| } |