pulsar-client-cpp/include/pulsar/MessageRoutingPolicy.h

/**
 * 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.
 */
#ifndef PULSAR_MESSAGE_ROUTING_POLICY_HEADER_
#define PULSAR_MESSAGE_ROUTING_POLICY_HEADER_
#include "Message.h"
#include <boost/shared_ptr.hpp>

#pragma GCC visibility push(default)

/*
 * Implement this interface to define custom policy giving message to
 * partition mapping.
 */
namespace pulsar {

class MessageRoutingPolicy {
 public:
    virtual ~MessageRoutingPolicy() {}

    virtual int getPartition(const Message& msg) = 0;
};

typedef boost::shared_ptr<MessageRoutingPolicy> MessageRoutingPolicyPtr;
}

#pragma GCC visibility pop

#endif // PULSAR_MESSAGE_ROUTING_POLICY_HEADER_