Added support for VCD Database

com.minres.scviewer.database/src/com/minres/scviewer/database/ITxStream.java

@@ -0,0 +1,23 @@
+/*******************************************************************************
+ * Copyright (c) 2012 IT Just working.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IT Just working - initial API and implementation
+ *******************************************************************************/
+package com.minres.scviewer.database;
+
+import java.util.List;
+
+public interface  ITxStream extends IWaveform {
+
+	public List<ITxGenerator> getGenerators();
+
+	public List<ITx> getTransactions();
+
+	public ITx getTransactionById(long id);
+
+}