RuleLeafsComparison.h

// RuleLeafsComparison.h:
// ----------------------
//

#ifndef __IPSDKBASEPROCESSING_RULELEAFSCOMPARISON_H__
#define __IPSDKBASEPROCESSING_RULELEAFSCOMPARISON_H__

#include <IPSDKBaseProcessing/Rule/Attribute/DataItem/Leaf/LeafsComparison/BaseTLeafsComparisonRule.h>

namespace ipsdk {
namespace processor {


template <typename AttributeType1,
          typename LeafType1,
          typename AttributeType2,
          typename LeafType2,
          eValueComparisonRuleType::domain ValueComparisonRuleType>
class RuleLeafsComparison : public BaseTLeafsComparisonRule<typename LeafType1::ValueType,
                                                            ValueComparisonRuleType>
{
// predefined public types
public:
    typedef typename boost::enable_if<typename boost::is_same<boost::mpl::int_<AttributeType1::g_attributeType>,
                                                              boost::mpl::int_<eAttributeType::eAT_DataItem> >::type,
                                      typename AttributeType1::ValueType>::type DataItemType1;
    typedef typename boost::enable_if<typename boost::is_same<boost::mpl::int_<AttributeType2::g_attributeType>,
                                                              boost::mpl::int_<eAttributeType::eAT_DataItem> >::type,
                                      typename AttributeType2::ValueType>::type DataItemType2;

    typedef typename boost::enable_if<typename boost::is_same<boost::mpl::int_<LeafType1::g_itemType>,
                                                              boost::mpl::int_<eDataItemType::eDIT_Leaf> >::type,
                                      typename LeafType1::ValueType>::type ValueType1;
    typedef typename boost::enable_if<typename boost::is_same<boost::mpl::int_<LeafType2::g_itemType>,
                                                              boost::mpl::int_<eDataItemType::eDIT_Leaf> >::type,
                                      typename LeafType2::ValueType>::type ValueType2;

    
    typedef typename boost::enable_if<typename boost::is_same<ValueType1, ValueType2>::type,
                                      ValueType1>::type ValueType;

public:
    RuleLeafsComparison() {}
    ~RuleLeafsComparison() {}

// methods
public:
    void                init(const boost::weak_ptr<const AttributeType1>& pAttribute1,
                             const boost::weak_ptr<const AttributeType2>& pAttribute2);

protected:
    std::string         getAttribute1Name() const;
    std::string         getAttribute2Name() const;

    const ValueType&    getAttribute1Value() const;
    const ValueType&    getAttribute2Value() const;

// attributes
protected:

};


template <typename AttributeType1, typename LeafType1, typename AttributeType2, typename LeafType2, eValueComparisonRuleType::domain ValueComparisonRuleType>
inline void
RuleLeafsComparison<AttributeType1, LeafType1, AttributeType2, LeafType2, ValueComparisonRuleType>::init(const boost::weak_ptr<const AttributeType1>& pAttribute1,
                                                                                                         const boost::weak_ptr<const AttributeType2>& pAttribute2)
{
    // call of base class initialization method
    BaseTLeafsComparisonRule<ValueType, ValueComparisonRuleType>::initBase(pAttribute1, pAttribute2);
}

template <typename AttributeType1, typename LeafType1, typename AttributeType2, typename LeafType2, eValueComparisonRuleType::domain ValueComparisonRuleType>
inline std::string
RuleLeafsComparison<AttributeType1, LeafType1, AttributeType2, LeafType2, ValueComparisonRuleType>::getAttribute1Name() const
{
    return AttributeType1::getObjectNameStr() + "::" +
           DataItemType1::template getNodeNameStr<LeafType1>();
}

template <typename AttributeType1, typename LeafType1, typename AttributeType2, typename LeafType2, eValueComparisonRuleType::domain ValueComparisonRuleType>
inline std::string
RuleLeafsComparison<AttributeType1, LeafType1, AttributeType2, LeafType2, ValueComparisonRuleType>::getAttribute2Name() const
{
    return AttributeType2::getObjectNameStr() + "::" +
           DataItemType2::template getNodeNameStr<LeafType2>();
}

template <typename AttributeType1, typename LeafType1, typename AttributeType2, typename LeafType2, eValueComparisonRuleType::domain ValueComparisonRuleType>
inline const typename RuleLeafsComparison<AttributeType1, LeafType1, AttributeType2, LeafType2, ValueComparisonRuleType>::ValueType&
RuleLeafsComparison<AttributeType1, LeafType1, AttributeType2, LeafType2, ValueComparisonRuleType>::getAttribute1Value() const
{
    // retrieve associated attribute
    const AttributeType1& derivedAttribute1 = static_cast<const AttributeType1&>(this->getAttribute1());

    return derivedAttribute1.getNode().template getValue<LeafType1>();
}

template <typename AttributeType1, typename LeafType1, typename AttributeType2, typename LeafType2, eValueComparisonRuleType::domain ValueComparisonRuleType>
inline const typename RuleLeafsComparison<AttributeType1, LeafType1, AttributeType2, LeafType2, ValueComparisonRuleType>::ValueType&
RuleLeafsComparison<AttributeType1, LeafType1, AttributeType2, LeafType2, ValueComparisonRuleType>::getAttribute2Value() const
{
    // retrieve associated attribute
    const AttributeType2& derivedAttribute2 = static_cast<const AttributeType2&>(this->getAttribute2());

    return derivedAttribute2.getNode().template getValue<LeafType2>();
}


} // end of namespace processor
} // end of namespace ipsdk

#endif // __IPSDKBASEPROCESSING_RULELEAFSCOMPARISON_H__