Add VariableValueWithBinding request into db.layer0

refs #6875

Change-Id: If71e9d082473bfcf54314e376a39d610df05c987

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/VariableValueWithBinding.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/VariableValueWithBinding.java
new file mode 100644 (file)
index 0000000..c9fb13f
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/VariableValueWithBinding.java
@@ -0,0 +1,31 @@
+/*******************************************************************************
+ * Copyright (c) 2016 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:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.layer0.request;
+
+import org.simantics.databoard.binding.Binding;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.request.BinaryRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+
+final public class VariableValueWithBinding<T> extends BinaryRead<Variable, Binding, T> {
+
+    public VariableValueWithBinding(Variable variable, Binding binding) {
+        super(variable, binding);
+    }
+
+    @Override
+    public T perform(ReadGraph graph) throws DatabaseException {
+        return parameter.getValue(graph, parameter2);
+    }
+
+}