-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.service;\r
-\r
-import java.util.Collection;\r
-import java.util.List;\r
-\r
-import org.simantics.db.Operation;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.UndoContext;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.exception.ConflictException;\r
-import org.simantics.db.exception.DatabaseException;\r
-\r
-public interface UndoRedoSupport {\r
-\r
- Operation getCurrent();\r
-\r
- /**\r
- * @param operations\r
- * @return Operation generated by the undo operation.\r
- * \r
- * @throws DatabaseException\r
- * @throws ConflictException\r
- */\r
- Operation undo(Collection<Operation> operations)\r
- throws DatabaseException, ConflictException;\r
-\r
- /**\r
- * This is just a wrapper for the undo operation above. See documentation above\r
- * \r
- * @param op the operation that will be undone.\r
- * @throws DatabaseException\r
- * @throws ConflictException\r
- */\r
- void undo(Operation op)\r
- throws DatabaseException, ConflictException;\r
-\r
- /**\r
- * Undo first count operations from the session undo list.\r
- * \r
- * @param count number of operations to revert and move to sessions redo list.\r
- * @return Number of changes sets reverted.\r
- * @throws DatabaseException\r
- * @throws ConflictException\r
- */\r
- int undo(Session session, int count)\r
- throws DatabaseException;\r
- \r
- List<Operation> undoAndReturnOperations(Session session, int count)\r
- throws DatabaseException; \r
- \r
- List<Operation> redo(Session session, int count)\r
- throws DatabaseException;\r
-\r
- int undoTo(Session session, long changeSet)\r
- throws DatabaseException;\r
-\r
- int initUndoListFrom(Session session, long changeSet)\r
- throws DatabaseException;\r
-\r
- /**\r
- * @return undo context used by given session. If session does not support\r
- * undo or session is disposed, <code>null</code> will be returned.\r
- */\r
- UndoContext getUndoContext(Session session);\r
-\r
- interface ChangeListener {\r
- /**\r
- * Called when undo/redo lists change. \r
- */\r
- void onChanged();\r
- }\r
- void subscribe(ChangeListener changeListener);\r
- void cancel(ChangeListener changeListener);\r
- \r
- void addExternalOperation(WriteGraph graph, ExternalOperation op);\r
- \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.service;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.simantics.db.Operation;
+import org.simantics.db.Session;
+import org.simantics.db.UndoContext;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.ConflictException;
+import org.simantics.db.exception.DatabaseException;
+
+public interface UndoRedoSupport {
+
+ Operation getCurrent();
+
+ /**
+ * @param operations
+ * @return Operation generated by the undo operation.
+ *
+ * @throws DatabaseException
+ * @throws ConflictException
+ */
+ Operation undo(Collection<Operation> operations)
+ throws DatabaseException, ConflictException;
+
+ /**
+ * This is just a wrapper for the undo operation above. See documentation above
+ *
+ * @param op the operation that will be undone.
+ * @throws DatabaseException
+ * @throws ConflictException
+ */
+ void undo(Operation op)
+ throws DatabaseException, ConflictException;
+
+ /**
+ * Undo first count operations from the session undo list.
+ *
+ * @param count number of operations to revert and move to sessions redo list.
+ * @return Number of changes sets reverted.
+ * @throws DatabaseException
+ * @throws ConflictException
+ */
+ int undo(Session session, int count)
+ throws DatabaseException;
+
+ List<Operation> undoAndReturnOperations(Session session, int count)
+ throws DatabaseException;
+
+ List<Operation> redo(Session session, int count)
+ throws DatabaseException;
+
+ int undoTo(Session session, long changeSet)
+ throws DatabaseException;
+
+ int initUndoListFrom(Session session, long changeSet)
+ throws DatabaseException;
+
+ /**
+ * @return undo context used by given session. If session does not support
+ * undo or session is disposed, <code>null</code> will be returned.
+ */
+ UndoContext getUndoContext(Session session);
+
+ interface ChangeListener {
+ /**
+ * Called when undo/redo lists change.
+ */
+ void onChanged();
+ }
+ void subscribe(ChangeListener changeListener);
+ void cancel(ChangeListener changeListener);
+
+ void addExternalOperation(WriteGraph graph, ExternalOperation op);
+
+}
Code Review / simantics / platform.git / blobdiff