Move graph file document codes around a bit

[simantics/platform.git] / bundles / org.simantics.document / src / org / simantics / document / AddDocumentAction.java

diff --git a/bundles/org.simantics.document/src/org/simantics/document/AddDocumentAction.java b/bundles/org.simantics.document/src/org/simantics/document/AddDocumentAction.java
new file mode 100644 (file)
index 0000000..8012c4d
--- /dev/null
+++ b/bundles/org.simantics.document/src/org/simantics/document/AddDocumentAction.java
@@ -0,0 +1,60 @@
+/*******************************************************************************
+ * 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.document;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.ActionFactory;
+
+/**
+ * Abstract base class for adding documents.
+ * 
+ * If import target is an document, a new version of a document is created.
+ * 
+ * Document version creation has two modes:
+ * FLAT: new version is added to the same library as the old document.
+ * TREE: new version replaces the old document in the library, and old document is moved under the new document.
+ * 
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public abstract class AddDocumentAction implements ActionFactory {
+       
+       private Resource relation;
+       
+       public AddDocumentAction(ReadGraph graph, String relationUri) throws DatabaseException {
+               relation = graph.getResource(relationUri);
+       }
+       
+
+       protected Resource getRelation() {
+               return relation;
+       }
+       
+       protected void linkDocument(WriteGraph graph, Resource target, Resource newDocument) throws DatabaseException{
+               DocumentResource doc = DocumentResource.getInstance(graph);
+       
+               if (graph.isInstanceOf(target, doc.Document)) {
+                       // adding a new revision
+                       DocumentVersionUtils.createNewVersion(graph, target, newDocument, relation);
+                       
+                       
+               } else {
+                       graph.claim(target, relation, newDocument);
+                       FileDocumentUtil.createUniqueName(graph, newDocument);
+               }
+       }
+
+}