MultiComponentFilter.h

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#ifndef CARMA_DBMS_MULTICOMPONENTFILTER_H
#define CARMA_DBMS_MULTICOMPONENTFILTER_H

#include <string>
#include <vector>
#include "carma/dbms/filter/OneComponentFilter.h"

namespace carma {
namespace dbms {

class MultiComponentFilter : public Filter {

public:

    typedef enum {
        AND,
        OR
    } Conjunction;

    MultiComponentFilter(const Filter * const child1, 
                         const Filter * const child2, const Conjunction &conj);
    
    ~MultiComponentFilter();
    
    //virtual std::string toString() const;

    virtual std::string toString(const std::string& tableName = "",
                                 const std::string& columnNamePrepender = "") 
        const;

    std::vector<const carma::dbms::Filter *> getChildren() const;

    std::vector<const carma::dbms::Filter* > getDescendants() const;

    void getDescendants(std::vector<const carma::dbms::Filter* > *descendants) 
        const;

    void getOneComponentFilterDescendants
        (std::vector<const carma::dbms::OneComponentFilter* > *descendants) 
        const;

    virtual std::string name() const;

protected:
           
    // disallow default constructor
    MultiComponentFilter() {}
    // for use only by derived classes
    MultiComponentFilter(const Conjunction &conj);

    const Filter *child1_;
    const Filter *child2_;
    Conjunction conj_;

private:
    MultiComponentFilter(MultiComponentFilter& rhs);

};


}}

#endif // CARMA_DBMS_MULTICOMPONENTFILTER_H