--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/analyzetoolext/com.nokia.s60tools.analyzetool/src/com/nokia/s60tools/analyzetool/engine/AnalyzeFactory.java	Thu Feb 11 15:22:14 2010 +0200
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:  Definitions for the class AnalyzeFactory
+ *
+ */
+package com.nokia.s60tools.analyzetool.engine;
+
+import java.util.AbstractList;
+import java.util.ArrayList;
+
+import com.nokia.s60tools.analyzetool.engine.statistic.ProcessInfo;
+import com.nokia.s60tools.analyzetool.internal.engine.MemoryActivityModel;
+
+/**
+ * Factory for creating the memory model of AnalyzeTool
+ *
+ */
+public class AnalyzeFactory {
+	private static final IMemoryActivityModel EMPTY_MODEL= new EmptyAnalysisGraphModel();
+	
+	/**
+	 * Creates an instance of IMemoryActivityModel
+	 * @param emptyModel if true return a model that cannot take processes
+	 * @return the newly created model
+	 */
+	public IMemoryActivityModel createModel(final boolean emptyModel){
+		return emptyModel ? EMPTY_MODEL : new MemoryActivityModel();
+	}
+	
+	/**
+	 * Returns an empty model
+	 * @return
+	 */
+	public static IMemoryActivityModel getEmptyModel(){
+		return EMPTY_MODEL;
+	}
+
+	private static class EmptyAnalysisGraphModel implements IMemoryActivityModel {
+		
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#getFirstMemOpTime()
+		 */
+		public Long getFirstMemOpTime() {
+			return 0L;
+		}
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#getFirstProcessTime()
+		 */
+		public Long getFirstProcessTime() {
+			return 0L;
+		}
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#getHighestCumulatedMemoryAlloc()
+		 */
+		public int getHighestCumulatedMemoryAlloc() {
+			return 10*1024;
+		}
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#getLastMemOpTime()
+		 */
+		public Long getLastMemOpTime() {
+			return 0L;
+		}
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#getLastProcessTime()
+		 */
+		public Long getLastProcessTime() {
+			return 0L;
+		}
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#getProcesses()
+		 */
+		public AbstractList<ProcessInfo> getProcesses() {
+			return new ArrayList<ProcessInfo>();
+		}
+
+		public void addListener(IMemoryActivityModelChangeListener listener) {
+			//immediately call this listener to let it know there is no data
+			//there is no need to add this listener
+			listener.onProcessesAdded();
+		}
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#addProcesses(java.util.AbstractList)
+		 */
+		public void addProcesses(AbstractList<ProcessInfo> processes) {
+			// nothing to do
+		}
+
+		/* (non-Javadoc)
+		 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel#removeListener(com.nokia.s60tools.analyzetool.engine.IMemoryActivityModelChangeListener)
+		 */
+		public void removeListener(IMemoryActivityModelChangeListener listener) {
+			// nothing to do
+		}
+
+		public ProcessInfo getSelectedProcess() {
+			return null;
+		}
+
+		public void setSelectedProcess(ProcessInfo processInfo) {
+			//cannot occur in empty model
+		}
+		
+	}
+
+}