--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. 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
+ */
+
+package org.opendaylight.controller.concepts.lang;
+/**
+ * Simple condition-based transformer
+ *
+ * The transformer provides {@link #isAcceptable(Object)} method,
+ * which could be used to query transformer if the input will produce
+ * result.
+ *
+ * This interface is simplified version of {@link RuleBasedTransformer} - does not
+ * provide decoupling of Acceptance rule from transformer, and should be used only
+ * for simple use-cases.
+ *
+ * @author Tony Tkacik
+ *
+ * @param <I> Input class for transformation
+ * @param <P> Product of transformation
+ */
+public interface SimpleConditionalTransformer<I,P> extends Transformer<I, P>, Acceptor<I> {
+
+
+ /**
+ * Checks if the input is acceptable
+ * for processing by the transformer.
+ *
+ * @return true it the input is acceptable for processing by transformer.
+ */
+ @Override
+ public boolean isAcceptable(I input);
+}