/* * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the Classpath exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.btrace.api; import com.sun.btrace.api.impl.BTraceEngineImpl; /** * This class serves as a factory for {@linkplain BTraceTask} instances * <p> * Usually, when using BTrace on a process with given PID one would do * <pre> * BTraceTask task = BTraceEngine.sharedInstance().createTask(PID) * </pre> * </p> * * @author Jaroslav Bachorik <jaroslav.bachorik@sun.com> */ public abstract class BTraceEngine { final public static BTraceEngine newInstance() { return new BTraceEngineImpl(); } /** * Abstract factory method for {@linkplain BTraceTask} instances * @param pid The application PID to create the task for * @return Returns a {@linkplain BTraceTask} instance bound to the particular java process * or null if it is not possible to run BTrace against the application */ abstract public BTraceTask createTask(int pid); }