rdbModel::Visitor Class Reference

#include <Visitor.h>

Inheritance diagram for rdbModel::Visitor:

List of all members.

Public Types
	VCONTINUE = 0
	VDONE
	VBRANCHDONE
	VERROR
	VERRORABORT
enum	VisitorState {   VCONTINUE = 0, VDONE, VBRANCHDONE, VERROR,   VERRORABORT }
Public Member Functions
virtual VisitorState	visitRdb (Rdb *)=0
	This method sets if the visitor is recursive or not.
virtual VisitorState	visitTable (Table *)=0
virtual VisitorState	visitColumn (Column *)=0
virtual VisitorState	visitIndex (Index *)=0
virtual VisitorState	visitAssertion (Assertion *)=0
virtual VisitorState	visitInsertNew (InsertNew *)=0
virtual VisitorState	visitSupersede (Supersede *)=0
virtual VisitorState	visitQuery (Query *)=0
virtual VisitorState	visitSet (Set *)=0
virtual VisitorState	visitInterRow (InterRow *)=0

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Detailed Description

This abstract class is the base for the visitors hierarchy; its main purpouse is to provide an abstract interface common to all the different kind of visitor; in this way the manager can hold a list of visitors that the client can start.

One likly visitor would be something which instantiates a suitable representation, e.g. in a MySQL database, of the tables described

Author:

J. Bogart, but owing heavily to Visitor class in detModel; thanks to D.Favretto and R.Giannitrapani

Definition at line 32 of file Visitor.h.

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Member Enumeration Documentation

enum rdbModel::Visitor::VisitorState

Enumerator:

VCONTINUE
VDONE
VBRANCHDONE
VERROR
VERRORABORT

Definition at line 34 of file Visitor.h.

                       {
      VCONTINUE = 0,
      VDONE,         // visitor has had its fill of visiting
      VBRANCHDONE,   // don't descend further; go to next sibling, if any
      VERROR,        // error during visit; perhaps can continue, though
      VERRORABORT    // error during visit; can't handle more
    };

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Member Function Documentation

virtual VisitorState rdbModel::Visitor::visitAssertion

(

Assertion *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitColumn

(

Column *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitIndex

(

Index *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitInsertNew

(

InsertNew *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitInterRow

(

InterRow *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitQuery

(

Query *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitRdb

(

Rdb *

)

[pure virtual]

This method sets if the visitor is recursive or not.

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitSet

(

Set *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitSupersede

(

Supersede *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

virtual VisitorState rdbModel::Visitor::visitTable

(

Table *

)

[pure virtual]

Implemented in rdbModel::MysqlConnection.

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