diff --git a/of-save/lib/src/main/java/org/projectfloodlight/openflow/protocol/match/Prerequisite.java b/of-save/lib/src/main/java/org/projectfloodlight/openflow/protocol/match/Prerequisite.java
new file mode 100644
index 0000000..03d5e79
--- /dev/null
+++ b/of-save/lib/src/main/java/org/projectfloodlight/openflow/protocol/match/Prerequisite.java
@@ -0,0 +1,45 @@
+package org.projectfloodlight.openflow.protocol.match;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.projectfloodlight.openflow.types.OFValueType;
+
+public class Prerequisite<T extends OFValueType<T>> {
+    private final MatchField<T> field;
+    private final Set<OFValueType<T>> values;
+    private boolean any;
+
+    @SafeVarargs
+    public Prerequisite(MatchField<T> field, OFValueType<T>... values) {
+        this.values = new HashSet<OFValueType<T>>();
+        this.field = field;
+        if (values == null || values.length == 0) {
+            this.any = true;
+        } else {
+            this.any = false;
+            for (OFValueType<T> value : values) {
+                this.values.add(value);
+            }
+        }
+    }
+
+    /**
+     * Returns true if this prerequisite is satisfied by the given match object.
+     *
+     * @param match Match object
+     * @return true iff prerequisite is satisfied.
+     */
+    public boolean isSatisfied(Match match) {
+        OFValueType<T> res = match.get(this.field);
+        if (res == null)
+            return false;
+        if (this.any)
+            return true;
+        if (this.values.contains(res)) {
+            return true;
+        }
+        return false;
+    }
+
+}