trace/traceviewer/com.nokia.traceviewer/src/com/nokia/traceviewer/engine/FileMap.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/traceviewer/com.nokia.traceviewer/src/com/nokia/traceviewer/engine/FileMap.java Wed Jun 23 14:49:59 2010 +0300
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2007-2010 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:
+ *
+ * FileMap class
+ *
+ */
+package com.nokia.traceviewer.engine;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Hold information about trace block positions in file
+ *
+ */
+public class FileMap {
+
+ /**
+ * Map which holds the file pointers to messages
+ */
+ private final List<Long> map;
+
+ /**
+ * Constructor
+ */
+ public FileMap() {
+ map = new ArrayList<Long>();
+ }
+
+ /**
+ * Insert item to map
+ *
+ * @param item
+ * item
+ */
+ public void insert(Long item) {
+ map.add(item);
+ }
+
+ /**
+ * Gets item from map
+ *
+ * @param index
+ * index of item
+ * @return item
+ */
+ public Long getItem(int index) {
+ long item = 0;
+ if (index < 0) {
+ item = 0;
+ } else if (index > map.size() - 1) {
+ item = 0;
+ } else {
+ item = map.get(index).longValue();
+ }
+ return Long.valueOf(item);
+ }
+
+ /**
+ * Gets index from map from specific offset
+ *
+ * @param offset
+ * offset of item
+ * @return index
+ */
+ public int getIndexFromOffset(int offset) {
+ int index = (offset / TraceViewerGlobals.blockSize);
+ return index;
+ }
+
+ /**
+ * Empties map
+ */
+ public void clearMap() {
+ map.clear();
+ }
+
+ /**
+ * Gets size of this map
+ *
+ * @return size
+ */
+ public int size() {
+ return map.size();
+ }
+}