--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/Engine/HeapLib/Reconstructor/DataSources/Analyser/Extractor/Base/Extractor.cs	Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* - Redistributions of source code must retain the above copyright notice,
+*   this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright notice,
+*   this list of conditions and the following disclaimer in the documentation
+*   and/or other materials provided with the distribution.
+* - Neither the name of Nokia Corporation nor the names of its contributors
+*   may be used to endorse or promote products derived from this software
+*   without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+* 
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Reflection;
+using HeapLib.Reconstructor.DataSources.Analyser.Interpreter;
+
+namespace HeapLib.Reconstructor.DataSources.Analyser.Extractor
+{
+    // <summary>
+    // The job of the extractor is just to remove any prefix associated
+    // with a given line. For example, the text-based file formats contain
+    // prefixes which allow multiple heap dumps to appear within one 
+    // trace file. We must partition these heap dumps into individual data
+    // sources, hence we must be able to identify those prefixes and use
+    // them during the partitioning operation.
+    // 
+    // This is the sole purpose for this class.
+    // </summary>
+    internal abstract class Extractor
+    {
+        #region Constructors & destrutor
+        protected Extractor()
+        {
+        }
+        #endregion
+
+        #region API
+        public abstract bool CanExtractFrom( string aLine );
+
+        public abstract bool ExtractFrom( string aLine, bool aForceExtractionOfThreadIdentifier );
+        #endregion
+
+        #region Properties
+        public abstract string Hash { get; }
+
+        public string PrimaryLine
+        {
+            get { return iPrimaryLine; }
+            protected set { iPrimaryLine = value; }
+        }
+
+        public InterpreterBase Interpreter
+        {
+            get { return iInterpreter; }
+            set { iInterpreter = value; }
+        }
+        #endregion
+
+        #region Internal methods
+        #endregion
+
+        #region Data members
+        private string iPrimaryLine = string.Empty;
+        private InterpreterBase iInterpreter = null;
+        #endregion
+    }
+}