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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "iprotocol.h"
#include <vespa/messagebus/routing/iretrypolicy.h>
namespace mbus {
class MessageBus;
/**
* To facilitate several configuration parameters to the {@link MessageBus} constructor, all parameters are held by this
* class. This class has reasonable default values for each parameter.
*
* @author Simon Thoresen Hult
* @version $Id$
*/
class MessageBusParams {
private:
std::vector<IProtocol::SP> _protocols;
IRetryPolicy::SP _retryPolicy;
uint32_t _maxPendingCount;
uint32_t _maxPendingSize;
public:
/**
* Constructs a new instance of this parameter object with default values for all members.
*/
MessageBusParams();
~MessageBusParams();
/**
* Returns the retry policy for the resender.
*
* @return The policy.
*/
IRetryPolicy::SP getRetryPolicy() const { return _retryPolicy; }
/**
* Sets the retry policy for the resender.
*
* @param retryPolicy The policy to set.
* @return This, to allow chaining.
*/
MessageBusParams &setRetryPolicy(IRetryPolicy::SP retryPolicy) { _retryPolicy = retryPolicy; return *this; }
/**
* Registers a protocol under the name given by {@link com.yahoo.messagebus.Protocol#getName()}.
*
* @param protocol The protocol to register.
* @return This, to allow chaining.
*/
MessageBusParams &addProtocol(IProtocol::SP protocol);
/**
* Returns the number of protocols that are contained in this.
*
* @return The number of protocols.
*/
uint32_t getNumProtocols() const;
/**
* Returns the protocol at the given index.
*
* @param i The index of the protocol to return.
* @return The protocol object.
*/
IProtocol::SP getProtocol(uint32_t i) const;
/**
* Returns the maximum number of pending messages.
*
* @return The count limit.
*/
uint32_t getMaxPendingCount() const { return _maxPendingCount; }
/**
* Sets the maximum number of allowed pending messages.
*
* @param maxCount The count limit to set.
* @return This, to allow chaining.
*/
MessageBusParams &setMaxPendingCount(uint32_t maxCount) { _maxPendingCount = maxCount; return *this; }
/**
* Returns the maximum number of bytes allowed for pending messages.
*
* @return The size limit.
*/
uint32_t getMaxPendingSize() const { return _maxPendingSize; }
/**
* Sets the maximum number of bytes allowed for pending messages.
*
* @param maxSize The size limit to set.
* @return This, to allow chaining.
*/
MessageBusParams &setMaxPendingSize(int maxSize) { _maxPendingSize = maxSize; return *this; }
};
} // namespace mbus
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