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diff --git a/dcae-analytics/dcae-analytics-model/src/main/java/org/onap/dcae/analytics/model/util/function/BiFunctionExtension.java b/dcae-analytics/dcae-analytics-model/src/main/java/org/onap/dcae/analytics/model/util/function/BiFunctionExtension.java
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+/*
+ * ================================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+
+package org.onap.dcae.analytics.model.util.function;
+
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+/**
+ * A BiFunction extension which extends {@link BiFunction} to support additional functional
+ * concepts like currying
+ *
+ * @param <T> the type of the first argument to the function
+ * @param <U> the type of the second argument to the function
+ * @param <R> the type of the result of the function
+ */
+public interface BiFunctionExtension<T, U, R> extends BiFunction<T, U, R> {
+
+    /**
+     * Returns a {@link Function} which takes one argument
+     *
+     * @param t Bi Function first param
+     *
+     * @return Function which takes another argument
+     */
+    default Function<U, R> curry(T t) {
+        return (U u) -> apply(t, u);
+    }
+
+}
+