1 files changed, 41 insertions, 0 deletions

diff --git a/subprojects/interpreter-localsearch/src/main/java/tools/refinery/interpreter/localsearch/operations/MatchingFrameValueProvider.java b/subprojects/interpreter-localsearch/src/main/java/tools/refinery/interpreter/localsearch/operations/MatchingFrameValueProvider.java
new file mode 100644
index 00000000..b7a0dba0
--- /dev/null
+++ b/subprojects/interpreter-localsearch/src/main/java/tools/refinery/interpreter/localsearch/operations/MatchingFrameValueProvider.java
@@ -0,0 +1,41 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2014, Zoltan Ujhelyi, Istvan Rath and Daniel Varro
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-v20.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package tools.refinery.interpreter.localsearch.operations;
+
+import java.util.Map;
+
+import tools.refinery.interpreter.localsearch.MatchingFrame;
+import tools.refinery.interpreter.matchers.psystem.IValueProvider;
+import tools.refinery.interpreter.matchers.util.Preconditions;
+
+/**
+ *
+ *
+ * @author Zoltan Ujhelyi
+ *
+ */
+public class MatchingFrameValueProvider implements IValueProvider {
+
+    final Map<String, Integer> nameMap;
+    final MatchingFrame frame;
+
+    public MatchingFrameValueProvider(MatchingFrame frame, Map<String, Integer> nameMap) {
+        super();
+        this.frame = frame;
+        this.nameMap = nameMap;
+    }
+
+    @Override
+    public Object getValue(String variableName) {
+        Integer index = nameMap.get(variableName);
+        Preconditions.checkArgument(index != null, "Unknown parameter variable name");
+        return frame.get(index);
+    }
+
+}