pattern_rule_container.h

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/*
  © 2023 Intel Corporation
 
  This software and the related documents are Intel copyrighted materials, and
  your use of them is governed by the express license under which they were
  provided to you ("License"). Unless the License provides otherwise, you may
  not use, modify, copy, publish, distribute, disclose or transmit this software
  or the related documents without Intel's prior written permission.
 
  This software and the related documents are provided as is, with no express or
  implied warranties, other than those that are expressly stated in the License.
*/
 
// -*- C++ -*-
 
#ifndef CPP_API_EXTENSIONS_SRC_SME_PATTERN_RULES_PATTERN_RULE_CONTAINER_H
#define CPP_API_EXTENSIONS_SRC_SME_PATTERN_RULES_PATTERN_RULE_CONTAINER_H
 
#include <string>
#include <map>
 
//#ifdef __GNUC__
    #include <cstdint>
//#endif
 
#include "sme/aqpp/foundation/callables/action.hpp"
#include "sme/pattern_rules/I_pattern_rule.h"
#include "sme/aqpp/print/sme_print.hpp"
 
namespace sme
{
 
class pattern_rule_container
{
public:
 
    pattern_rule_container()
    {;}
 
    virtual ~pattern_rule_container()
    {;}
 
    bool add_rule( std::string _name, I_pattern_rule * _rule, bool _active = true)
    {
        if( find_rule( _name) == NULL)
        {
            _rule->m_is_active = _active;
            if( _active) {
                SIM_DEBUG( "Adding active rule '" << _name << "'");
                m_active_rules[ _name] = _rule;
            } else {
                SIM_DEBUG( "Adding inactive rule '" << _name << "'");
                m_inactive_rules[ _name] = _rule;
            }
            return( true);
        }
        SIM_ERROR( "Rule already exists with name '" << _name << "'");
        return( false);
    }
    
    void deactivate_rule( std::string _name)
    {
        if( find_inactive_rule( _name) == NULL)
        {
            std::map< std::string, I_pattern_rule *>::iterator mit = m_active_rules.find( _name);
            if( mit != m_active_rules.end())
            {
                I_pattern_rule * rule = mit->second;
                rule->m_is_active = false;
                m_inactive_rules[ _name] = rule;
                m_active_rules.erase( _name);
            }
        }   
    }
    
    void activate_rule( std::string _name)
    {
        if( find_active_rule( _name) == NULL)
        {
            std::map< std::string, I_pattern_rule *>::iterator mit = m_inactive_rules.find( _name);
            if( mit != m_inactive_rules.end())
            {
                I_pattern_rule * rule = mit->second;
                rule->m_is_active = true;
                m_inactive_rules.erase( _name);
                m_active_rules[ _name] = rule;
            }
        }   
    }
    
    void process_active_rules( uint64_t _old_value, uint64_t _new_value)
    {
        std::map< std::string, I_pattern_rule *>::iterator it;
        for( it = m_active_rules.begin(); it != m_active_rules.end(); it++)
        {
            SIM_DEBUG_NO_NEWLINE( "rule " << it->first);
            it->second->process_rule( _old_value, _new_value);
        }
    }
 
    I_pattern_rule * find_rule( std::string _name)
    {
        I_pattern_rule * rule = find_active_rule( _name);
        if( rule != NULL)
            return( rule);
        return( find_inactive_rule( _name));
    }
    
    I_pattern_rule * find_active_rule( std::string _name)
    {
        std::map< std::string, I_pattern_rule *>::iterator mit = m_active_rules.find( _name);
        if( mit != m_active_rules.end())
            return( mit->second);
        return( NULL);
    }
    
    I_pattern_rule * find_inactive_rule( std::string _name)
    {
        std::map< std::string, I_pattern_rule *>::iterator mit = m_inactive_rules.find( _name);
        if( mit != m_inactive_rules.end())
            return( mit->second);
        return( NULL);
    }
 
    const std::map< std::string, I_pattern_rule *> & get_active_rules() const {
        return( m_active_rules);
    }
 
    const std::map< std::string, I_pattern_rule *> & get_inactive_rules() const {
        return( m_inactive_rules);
    }
 
protected:
    std::map< std::string, I_pattern_rule *> m_active_rules;
 
    std::map< std::string, I_pattern_rule *> m_inactive_rules;
};
 
}
 
#endif /*PATTERN_RULE_CONTAINER_H_*/