org.eclipse.linuxtools.lttng.core/src/org/eclipse/linuxtools/lttng/state/model/StateModelFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.lttng.state.model;
  13
  14 import org.eclipse.linuxtools.lttng.state.LttngStateException;
  15 import org.eclipse.linuxtools.lttng.state.resource.ILttngStateContext;
  16
  17 /**
  18  * Entry point to the package
  19  *
  20  * @author alvaro
  21  *
  22  */
  23 public class StateModelFactory {
  24
  25         // ========================================================================
  26         // Methods
  27         // =======================================================================
  28
  29         /**
  30          * Return an instance of the entry class, the entry class contains
  31          * references to the internal model elements.
  32          *
  33          * One instance is expected to be created per LttngTrace.
  34          *
  35          * This method shall be used when a trace is not opened yet and will be
  36          * initialized later via the init() method.
  37          *
  38          * @return
  39          */
  40         public static LttngTraceState getStateEntryInstance() {
  41                 return new LttngTraceState();
  42         }
  43
  44         /**
  45          * Provide a LttngTraceState when the input data reference is known e.g.
  46          * when exchanging the State provider to check point clone.
  47          *
  48          * @return
  49          */
  50         public static LttngTraceState getStateEntryInstance(
  51                         ILttngStateContext stateInputRef) {
  52                 LttngTraceState traceState = new LttngTraceState();
  53                 try {
  54                         traceState.init(stateInputRef);
  55                 } catch (LttngStateException e) {
  56                         e.printStackTrace();
  57                 }
  58                 return traceState;
  59         }
  60 }