/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package com.datatorrent.contrib.nifi;

import java.util.Map;

/**
 * <p>
 * The NiFiDataPacket provides a packaging around a NiFi FlowFile. It wraps both
 * a FlowFile's content and its attributes so that they can be processed by Apex.
 * </p>
 *
 * @since 3.4.0
 */
public interface NiFiDataPacket
{

  /**
   * @return the contents of a NiFi FlowFile
   */
  byte[] getContent();

  /**
   * @return a Map of attributes that are associated with the NiFi FlowFile
   */
  Map<String, String> getAttributes();

}