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diff --git a/src/main/java/org/onap/dmaap/dmf/mr/backends/Publisher.java b/src/main/java/org/onap/dmaap/dmf/mr/backends/Publisher.java
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+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  org.onap.dmaap
+ *  ================================================================================
+ *  Copyright © 2017 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=========================================================
+ *  
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ *  
+ *******************************************************************************/
+package org.onap.dmaap.dmf.mr.backends;
+
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.onap.dmaap.dmf.mr.beans.LogDetails;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A publisher interface. Publishers receive messages and post them to a topic.
+ * @author peter
+ */
+public interface Publisher
+{
+	/**
+	 * A message interface. The message has a key and a body.
+	 * @author peter
+	 */
+	public interface message
+	{
+		/**
+		 * Get the key for this message. The key is used to partition messages
+		 * into "sub-streams" that have guaranteed order. The key can be null,
+		 * which means the message can be processed without any concern for order.
+		 * 
+		 * @return a key, possibly null
+		 */
+		String getKey();
+
+		/**
+		 * Get the message body.
+		 * @return a message body
+		 */
+		String getMessage();
+		/**
+		 * set the logging params for transaction enabled logging 
+		 * @param logDetails
+		 */
+		void setLogDetails (LogDetails logDetails);
+		/**
+		 * Get the log details for transaction enabled logging
+		 * @return LogDetails
+		 */
+		LogDetails getLogDetails ();
+		
+		/**
+		 * boolean transactionEnabled
+		 * @return true/false
+		 */
+		boolean isTransactionEnabled();
+		/**
+		 * Set the transaction enabled flag from prop file or topic based implementation
+		 * @param transactionEnabled
+		 */
+		void setTransactionEnabled(boolean transactionEnabled);
+	}
+
+	/**
+	 * Send a single message to a topic. Equivalent to sendMessages with a list of size 1.
+	 * @param topic
+	 * @param msg
+	 * @throws IOException
+	 */
+	public void sendMessage ( String topic, message msg ) throws IOException;
+
+	/**
+	 * Send messages to a topic.
+	 * @param topic
+	 * @param msgs
+	 * @throws IOException
+	 */
+	public void sendMessages ( String topic, List<? extends message> msgs ) throws IOException;
+	
+	public void sendBatchMessageNew(String topic ,ArrayList<ProducerRecord<String,String>> kms) throws IOException;
+	public void sendMessagesNew( String topic, List<? extends message> msgs ) throws IOException;
+}