Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / query / DiagramLoadQuery.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/query/DiagramLoadQuery.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/query/DiagramLoadQuery.java
new file mode 100644 (file)
index 0000000..b7e83ef
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/query/DiagramLoadQuery.java
@@ -0,0 +1,66 @@
+/*******************************************************************************\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.diagram.query;\r
+\r
+import org.eclipse.core.runtime.IProgressMonitor;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.ResourceArray;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.adapter.IDiagramLoader;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.utils.datastructures.hints.IHintObservable;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class DiagramLoadQuery extends ResourceRead<IDiagram> {\r
+\r
+    Resource         model;\r
+    Resource         runtime;\r
+    IProgressMonitor monitor;\r
+    ResourceArray    structuralPath;\r
+    IDiagramLoader   loader;\r
+    IHintObservable  initialHints;\r
+\r
+    public DiagramLoadQuery(IProgressMonitor monitor, Resource model, Resource resource, Resource runtime, ResourceArray structuralPath, IDiagramLoader loader, IHintObservable initialHints) {\r
+        super(resource);\r
+\r
+//        if (runtime == null)\r
+//            throw new IllegalArgumentException("null runtime diagram resource");\r
+\r
+        this.model = model;\r
+        this.runtime = runtime;\r
+        this.monitor = monitor;\r
+        this.structuralPath = structuralPath != null ? structuralPath : ResourceArray.EMPTY;\r
+        this.loader = loader;\r
+        this.initialHints = initialHints;\r
+    }\r
+\r
+    @Override\r
+    public IDiagram perform(ReadGraph graph) throws DatabaseException {\r
+        return loader.loadDiagram(monitor, graph, graph.getPossibleURI(model), resource, runtime, structuralPath, initialHints);\r
+    }\r
+\r
+    @Override\r
+    public boolean equals(Object other) {\r
+        // Make sure that we always receive a new result\r
+        return this == other;\r
+    }\r
+\r
+    @Override\r
+    public int hashCode() {\r
+        return super.hashCode() + 31 * getClass().hashCode();\r
+    }\r
+\r
+}\r