src_other/tuplebase/ZTQL.h

/*  @(#) $Id: ZTQL.h,v 1.1 2007/07/22 04:27:09 agreen Exp $ */

/* ------------------------------------------------------------
Copyright (c) 2007 Andrew Green and Learning in Motion, Inc.
http://www.zoolib.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
------------------------------------------------------------ */

#ifndef __ZTQL__
#define __ZTQL__ 1
#include "zconfig.h"

#include "ZTSpec.h"

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL

namespace ZTQL {

class Node;

class Query
        {
public:
        Query();
        Query(const Query& iOther);
        Query(ZRef<Node> iNode);
        Query& operator=(const Query& iOther);
        ~Query();

        ZRef<Node> GetNode();

        Query(const ZTuple* iTuples, size_t iCount);

        Query(const std::vector<ZTuple>& iTuples);

        static Query sAll();

        static Query sAll(const ZTName& iIDPropName);

        Query Intersect(const Query& iOther) const;

        Query Join(const Query& iOther) const;

        Query Project(const ZTName* iPropNames, size_t iCount) const;

        Query Project(const std::vector<ZTName>& iPropNames) const;

        Query Project(const ZTName& iPropName0) const;

        Query Project(
                const ZTName& iPropName0,
                const ZTName& iPropName1) const;

        Query Project(
                const ZTName& iPropName0,
                const ZTName& iPropName1,
                const ZTName& iPropName2) const;

        Query Project(
                const ZTName& iPropName0,
                const ZTName& iPropName1,
                const ZTName& iPropName2,
                const ZTName& iPropName3) const;

        Query Project(
                const ZTName& iPropName0,
                const ZTName& iPropName1,
                const ZTName& iPropName2,
                const ZTName& iPropName3,
                const ZTName& iPropName4) const;

        Query Rename(const ZTName& iOld, const ZTName& iNew) const;

        Query Select(const ZTSpec& iTSpec) const;

        Query Union(const Query& iOther) const;

private:
        ZRef<Node> fNode;
        };

Query sAll();
Query sAll(const ZTName& iIDName);

Query sDifference(const Query& iQuery1, const Query& iQuery2);

Query sExplicit(const ZTuple* iTuples, size_t iCount);

Query sExplicit(const std::vector<ZTuple>& iTuples);

Query sIntersect(const Query& iQuery1, const Query& iQuery2);

Query sJoin(const Query& iQuery1, const Query& iQuery2);

Query sProject(const Query& iQuery, const ZTName* iPropNames, size_t iCount);

Query sProject(const Query& iQuery, const std::vector<ZTName>& iPropNames);

Query sProject(const Query& iQuery, const ZTName& iPropName0);

Query sProject(const Query& iQuery,
        const ZTName& iPropName0,
        const ZTName& iPropName1);

Query sProject(const Query& iQuery,
        const ZTName& iPropName0,
        const ZTName& iPropName1,
        const ZTName& iPropName2);

Query sProject(const Query& iQuery,
        const ZTName& iPropName0,
        const ZTName& iPropName1,
        const ZTName& iPropName2,
        const ZTName& iPropName3);

Query sProject(const Query& iQuery,
        const ZTName& iPropName0,
        const ZTName& iPropName1,
        const ZTName& iPropName2,
        const ZTName& iPropName3,
        const ZTName& iPropName4);

Query sRename(const Query& iQuery, const ZTName& iOldPropName, const ZTName& iNewPropName);

Query sSelect(const Query& iQuery, const ZTSpec& iTSpec);

Query sUnion(const Query& iQuery1, const Query& iQuery2);

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node

namespace ZTQL {

class Node : public ZRefCounted
        {
protected:
        Node();
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_All

namespace ZTQL {

class Node_All : public Node
        {
public:
        Node_All();
        Node_All(const ZTName& iIDPropName);

        const ZTName& GetIDPropName();

private:
        ZTName fIDPropName;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Difference

namespace ZTQL {

class Node_Difference : public Node
        {
public:
        Node_Difference(ZRef<Node> iNodeA, ZRef<Node> iNodeB);

        ZRef<Node> GetNodeA();
        ZRef<Node> GetNodeB();

private:
        ZRef<Node> fNodeA;
        ZRef<Node> fNodeB;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Explicit

namespace ZTQL {

class Node_Explicit : public Node
        {
public:
        Node_Explicit(const ZTuple* iTuples, size_t iCount);
        Node_Explicit(const std::vector<ZTuple>& iTuples);

        const vector<ZTuple>& GetTuples();

private:
        vector<ZTuple> fTuples;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Intersect

namespace ZTQL {

class Node_Intersect : public Node
        {
public:
        Node_Intersect(ZRef<Node> iNodeA, ZRef<Node> iNodeB);

        ZRef<Node> GetNodeA();
        ZRef<Node> GetNodeB();

private:
        ZRef<Node> fNodeA;
        ZRef<Node> fNodeB;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Join

namespace ZTQL {

class Node_Join : public Node
        {
public:
        Node_Join(ZRef<Node> iNodeA, ZRef<Node> iNodeB);

        ZRef<Node> GetNodeA();
        ZRef<Node> GetNodeB();

private:
        ZRef<Node> fNodeA;
        ZRef<Node> fNodeB;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Project

namespace ZTQL {

class Node_Project : public Node
        {
public:
        Node_Project(ZRef<Node> iNode, const ZTName* iPropNames, size_t iCount);
        Node_Project(ZRef<Node> iNode, const vector<ZTName>& iPropNames);

        ZRef<Node> GetNode();
        const vector<ZTName>& GetPropNames();

private:
        ZRef<Node> fNode;
        vector<ZTName> fPropNames;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Rename

namespace ZTQL {

class Node_Rename : public Node
        {
public:
        Node_Rename(ZRef<Node> iNode, const ZTName& iOld, const ZTName& iNew);

        ZRef<Node> GetNode();
        const ZTName& GetOld();
        const ZTName& GetNew();

private:
        ZRef<Node> fNode;
        ZTName fOld;
        ZTName fNew;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Select

namespace ZTQL {

class Node_Select : public Node
        {
public:
        Node_Select(ZRef<Node> iNode, const ZTSpec& iTSpec);

        ZRef<Node> GetNode();
        const ZTSpec& GetTSpec();

private:
        ZRef<Node> fNode;
        ZTSpec fTSpec;
        };

} // namespace ZTQL

// =================================================================================================
#pragma mark -
#pragma mark * ZTQL::Node_Union

namespace ZTQL {

class Node_Union : public Node
        {
public:
        Node_Union(ZRef<Node> iNodeA, ZRef<Node> iNodeB);

        ZRef<Node> GetNodeA();
        ZRef<Node> GetNodeB();

private:
        ZRef<Node> fNodeA;
        ZRef<Node> fNodeB;
        };

} // namespace ZTQL

#endif // __ZTQL__

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