Multiple reader thread support for db client

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / procedure / wrapper / NoneToSyncMultiListener.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/wrapper/NoneToSyncMultiListener.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/wrapper/NoneToSyncMultiListener.java
new file mode 100644 (file)
index 0000000..9e3178e
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/wrapper/NoneToSyncMultiListener.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2018 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.common.procedure.wrapper;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.procedure.MultiListener;
+import org.simantics.db.procedure.SyncMultiListener;
+
+public class NoneToSyncMultiListener<T> implements SyncMultiListener<T> {
+
+    private final MultiListener<T> procedure;
+
+    public NoneToSyncMultiListener(MultiListener<T> procedure) {
+        this.procedure = procedure;
+    }
+
+    @Override
+    public void execute(ReadGraph graph, final T result) {
+        procedure.execute(result);
+    }
+
+    @Override
+    public void finished(ReadGraph graph) {
+        procedure.finished();
+    }
+
+    @Override
+    public void exception(ReadGraph graph, Throwable t) {
+        procedure.exception(t);
+    }
+
+    @Override
+    public boolean isDisposed() {
+        return procedure.isDisposed();
+    }
+
+    @Override
+    public String toString() {
+        return "NoneToAsyncMultiListener -> " + procedure;
+    }
+
+}