64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef PULSAR_MESSAGE_ROUTING_POLICY_HEADER_
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#define PULSAR_MESSAGE_ROUTING_POLICY_HEADER_
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#include <pulsar/DeprecatedException.h>
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#include <pulsar/Message.h>
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#include <pulsar/TopicMetadata.h>
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#include <pulsar/defines.h>
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#include <memory>
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/*
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* Implement this interface to define custom policy giving message to
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* partition mapping.
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*/
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namespace pulsar {
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class PULSAR_PUBLIC MessageRoutingPolicy {
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public:
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virtual ~MessageRoutingPolicy() {}
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/** @deprecated
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Use int getPartition(const Message& msg, const TopicMetadata& topicMetadata)
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*/
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virtual int getPartition(const Message& msg) {
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throw DeprecatedException(
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"Use int getPartition(const Message& msg,"
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" const TopicMetadata& topicMetadata)");
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}
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/**
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* Choose the partition from the message and topic metadata
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*
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* @param message the Message
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* @param topicMetadata the TopicMetadata that contains the partition number
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* @return the partition number
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*/
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virtual int getPartition(const Message& msg, const TopicMetadata& topicMetadata) {
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return getPartition(msg);
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}
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};
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typedef std::shared_ptr<MessageRoutingPolicy> MessageRoutingPolicyPtr;
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} // namespace pulsar
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#endif // PULSAR_MESSAGE_ROUTING_POLICY_HEADER_
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