Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / AsyncReadGraphDataSource.java

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/AsyncReadGraphDataSource.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/AsyncReadGraphDataSource.java
new file mode 100644 (file)
index 0000000..d9ba3f1
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/AsyncReadGraphDataSource.java
@@ -0,0 +1,56 @@
+/*******************************************************************************\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.impl;\r
+\r
+import java.util.function.Consumer;\r
+\r
+import org.simantics.browsing.ui.DataSource;\r
+import org.simantics.db.AsyncReadGraph;\r
+import org.simantics.db.AsyncRequestProcessor;\r
+import org.simantics.db.common.procedure.adapter.ProcedureAdapter;\r
+import org.simantics.db.common.request.AsyncReadRequest;\r
+import org.simantics.db.service.LifecycleSupport;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+public class AsyncReadGraphDataSource implements DataSource<AsyncReadGraph> {\r
+\r
+    final private AsyncRequestProcessor processor;\r
+    final private LifecycleSupport ls;\r
+\r
+    public AsyncReadGraphDataSource(AsyncRequestProcessor processor) {\r
+        this.processor = processor;\r
+        this.ls = processor.getService(LifecycleSupport.class);\r
+    }\r
+\r
+    @Override\r
+    public void schedule(final Consumer<AsyncReadGraph> callback) {\r
+        if(ls.isClosing() || ls.isClosed()) return;\r
+        processor.asyncRequest(new AsyncReadRequest() {\r
+            @Override\r
+            public void run(AsyncReadGraph graph) {\r
+                if(ls.isClosing() || ls.isClosed()) return;\r
+                callback.accept(graph);\r
+            }\r
+        }, new ProcedureAdapter<Object>() {\r
+            @Override\r
+            public void exception(Throwable t) {\r
+                ErrorLogger.defaultLogError(t);\r
+            }\r
+        });\r
+    }\r
+\r
+    @Override\r
+    public Class<AsyncReadGraph> getProvidedClass() {\r
+        return AsyncReadGraph.class;\r
+    }\r
+\r
+}\r