Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph / src / org / simantics / browsing / ui / graph / tester / EqualsResourceTester.java

diff --git a/bundles/org.simantics.browsing.ui.graph/src/org/simantics/browsing/ui/graph/tester/EqualsResourceTester.java b/bundles/org.simantics.browsing.ui.graph/src/org/simantics/browsing/ui/graph/tester/EqualsResourceTester.java
new file mode 100644 (file)
index 0000000..d4202fa
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph/src/org/simantics/browsing/ui/graph/tester/EqualsResourceTester.java
@@ -0,0 +1,63 @@
+/*******************************************************************************\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.browsing.ui.graph.tester;\r
+\r
+import org.simantics.browsing.ui.BuiltinKeys;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.NodeQueryManager;\r
+import org.simantics.browsing.ui.Tester;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public class EqualsResourceTester implements Tester {\r
+\r
+    private Resource resource;\r
+    private String uri;\r
+\r
+    public EqualsResourceTester(Resource resource) {\r
+        this.resource = resource;\r
+    }\r
+\r
+    public EqualsResourceTester(RequestProcessor processor, final String uri) throws DatabaseException {\r
+\r
+        this.uri = uri;\r
+\r
+        processor.syncRequest(new ReadRequest() {\r
+\r
+            @Override\r
+            public void run(ReadGraph graph) {\r
+                try {\r
+                    resource = graph.getResource(uri);\r
+                    assert (resource != null);\r
+                } catch (DatabaseException e) {\r
+                    e.printStackTrace();\r
+                }\r
+            }\r
+\r
+        });\r
+\r
+    }\r
+\r
+    @Override\r
+    public boolean test(NodeQueryManager manager, NodeContext context) {\r
+        return resource.equals(context.getConstant(BuiltinKeys.INPUT));\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return "Equals resource " + (uri != null ? uri : "<unknown>");\r
+    }\r
+\r
+}\r