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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vector>
#include "routingtablespec.h"
namespace mbus {
/**
* Along with the {@link RoutingTableSpec}, {@link RouteSpec} and {@link HopSpec}, this holds the routing specifications
* for all protocols. The only way a client can configure or alter the settings of a message bus instance is through
* these classes.
*
* This class is the root spec class for configuring message bus routing.
*
* @author Simon Thoresen Hult
* @version $Id$
*/
class RoutingSpec {
private:
std::vector<RoutingTableSpec> _tables;
public:
RoutingSpec() noexcept;
RoutingSpec(const RoutingSpec &);
RoutingSpec & operator=(const RoutingSpec &) = delete;
RoutingSpec(RoutingSpec &&) noexcept;
RoutingSpec & operator=(RoutingSpec &&) noexcept;
~RoutingSpec();
/**
* Returns the number of routing table specs that are contained in this.
*
* @return The number of routing tables.
*/
[[nodiscard]] uint32_t getNumTables() const { return _tables.size(); }
/**
* Returns the routing table spec at the given index.
*
* @param i The index of the routing table to return.
* @return The routing table at the given index.
*/
RoutingTableSpec &getTable(uint32_t i) { return _tables[i]; }
/**
* Returns a const reference to the routing table spec at the given index.
*
* @param i The index of the routing table to return.
* @return The routing table at the given index.
*/
[[nodiscard]] const RoutingTableSpec &getTable(uint32_t i) const { return _tables[i]; }
/**
* Adds a routing table spec to the list of tables.
*
* @param table The routing table to add.
* @return This, to allow chaining.
*/
RoutingSpec & addTable(RoutingTableSpec && table) &;
RoutingSpec && addTable(RoutingTableSpec && table) &&;
/**
* Appends the content of this to the given config string.
*
* @param cfg The config to add to.
* @param prefix The prefix to use for each add.
*/
void toConfig(string &cfg, const string &prefix) const;
/**
* Convert a string value to a quoted value suitable for use in a config string.
* <p/>
* Adds double quotes before and after, and adds backslash-escapes to any double quotes that was contained in the
* string. A null pointer will produce the special unquoted string null that the config library will convert back
* to a null pointer.
*
* @param input the String to be escaped
* @return an escaped String
*/
static string toConfigString(const string &input);
/**
* Returns a string representation of this.
*
* @return The string.
*/
[[nodiscard]] string toString() const;
/**
* Implements the equality operator.
*
* @param rhs The object to compare to.
* @return True if this equals the other.
*/
bool operator==(const RoutingSpec &rhs) const;
/**
* Implements the inequality operator.
*
* @param rhs The object to compare to.
* @return True if this does not equals the other.
*/
bool operator!=(const RoutingSpec &rhs) const { return !(*this == rhs); }
};
} // namespace mbus
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