samza-azure/src/main/java/org/apache/samza/system/eventhub/Interceptor.java

/*
 * 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 org.apache.samza.system.eventhub;

/**
 * Interface that is used for converting bytes to bytes.
 */
public interface Interceptor {

  /**
   * Intercepts and converts bytes.
   *
   * @param bytes bytes to be converted
   * @return Converted array of bytes converted
   */
  byte[] intercept(byte[] bytes);
}