Node.hpp

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#ifndef _TUTTLE_HOST_NODE_HPP_
#define _TUTTLE_HOST_NODE_HPP_

#include "INode.hpp"
#include "ComputeOptions.hpp"
#include "memory/MemoryCache.hpp"

#include <boost/assign/list_of.hpp>

#include <memory>

namespace tuttle {
namespace host {

class NodeInit;

using boost::assign::list_of;

INode* createNode( const std::string& pluginName );

bool compute( const std::vector<NodeInit>& nodes, const ComputeOptions& options = ComputeOptions() );
bool compute( memory::MemoryCache& memoryCache, const std::vector<NodeInit>& nodes, const ComputeOptions& options = ComputeOptions() );


/**
 * @brief Node initializer class.
 */
class NodeInit
{
public:
        NodeInit(){}
        NodeInit( const std::string& pluginName );
        NodeInit( INode& node );
        /**
         * @brief Non-standard copy contructor that steals the data.
         */
        NodeInit( const NodeInit& other )
        {
                setNode( other.release() );
        }

        NodeInit& operator=( const NodeInit& other )
        {
                setNode( other.release() );
                return *this;
        }
        
        INode& operator->() { return *_node.get(); }
        const INode& operator->() const { return *_node.get(); }
        
        /**
         * @brief Set parameter values. If it's a multi-dimensional parameter,
         * you should put all dimensions values.
         * @exemple setParam("redColor", 1.0, 0.0, 0.0, 1.0)
         */
        NodeInit& setParam( const std::string& paramName, ... );
        
        /**
         * @brief Set parameter value from a string expression.
         */
        NodeInit& setParamExp( const std::string& paramName, const std::string& paramValue );
        
        const INode& get() const { return *_node; }
        INode& get() { return *_node; }
        
        void setNode( INode& node ) { _node.reset(&node); }
        INode& release() const { return *_node.release(); }
        
private:
        mutable std::auto_ptr<INode> _node;
};

}
}

#endif