DatabaseManager Class Reference

Interface for database management operations. More...

#include <DatabaseManager.h>

Inheritance diagram for DatabaseManager:

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Public Member Functions
virtual DbRetVal	createTable (const char *name, TableDef &def)=0
	creates a table in the database
virtual DbRetVal	dropTable (const char *name)=0
	deletes a table from the database
virtual Table *	openTable (const char *name)=0
	opens a table for processing
virtual void	closeTable (Table *table)=0
	closes the table handle passed
virtual List	getAllTableNames ()=0
	Returns all the tables as list.
virtual DbRetVal	createIndex (const char *indName, IndexInitInfo *info)=0
	creates an index on the specified table.
virtual DbRetVal	dropIndex (const char *name)=0
	deletes the index object
virtual	~DatabaseManager ()

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Detailed Description

Interface for database management operations.

This manages all the database objects. Currently it supports two database
objects namely table and index.

Functionality:
1.Table Management (create, drop, open and close)
2.Index Management (create and drop)

Author:

Prabakaran Thirumalai

Definition at line 34 of file DatabaseManager.h.

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Constructor & Destructor Documentation

virtual DatabaseManager::~DatabaseManager

(

)

[inline, virtual]

Definition at line 78 of file DatabaseManager.h.

{ }

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Member Function Documentation

virtual void DatabaseManager::closeTable

(

Table *

table

)

[pure virtual]

closes the table handle passed

Parameters:

table

handle to the table

Implemented in DatabaseManagerImpl.

Referenced by getRecordsFromTargetDb(), CacheTableLoader::load(), main(), UpdStatement::resolve(), SelStatement::resolve(), InsStatement::resolve(), DelStatement::resolve(), CacheTableLoader::unload(), verifyPrimKeyFldVal(), DelStatement::~DelStatement(), InsStatement::~InsStatement(), SelStatement::~SelStatement(), and UpdStatement::~UpdStatement().

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virtual DbRetVal DatabaseManager::createIndex	(	const char *	indName,
		IndexInitInfo *	info
	)			[pure virtual]

creates an index on the specified table.

Create appropriate derived class object of IndexInitInfo based on the type of
the index created and pass it to this method.

Parameters:

	indName	index name
	info	IndexInitInfo

Implemented in DatabaseManagerImpl.

Referenced by CreateIdxStatement::execute(), CreateTblStatement::execute(), and CacheTableLoader::load().

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virtual DbRetVal DatabaseManager::createTable	(	const char *	name,
		TableDef &	def
	)			[pure virtual]

creates a table in the database

Parameters:

	name	name of the table
	def	table definition

Returns:

DbRetVal

Implemented in DatabaseManagerImpl.

Referenced by CreateTblStatement::execute(), and CacheTableLoader::load().

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virtual DbRetVal DatabaseManager::dropIndex

(

const char *

name

)

[pure virtual]

deletes the index object

Parameters:

name

index name

Implemented in DatabaseManagerImpl.

Referenced by DropIdxStatement::execute().

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virtual DbRetVal DatabaseManager::dropTable

(

const char *

name

)

[pure virtual]

deletes a table from the database

Parameters:

name

name of the table

Returns:

DbRetVal

Implemented in DatabaseManagerImpl.

Referenced by DropTblStatement::execute(), CacheTableLoader::load(), and CacheTableLoader::unload().

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virtual List DatabaseManager::getAllTableNames

(

)

[pure virtual]

Returns all the tables as list.

Returns:

List of table names

Implemented in DatabaseManagerImpl.

virtual Table* DatabaseManager::openTable

(

const char *

name

)

[pure virtual]

opens a table for processing

Parameters:

name

name of the table

Returns:

DbRetVal

Implemented in DatabaseManagerImpl.

Referenced by getRecordsFromTargetDb(), CacheTableLoader::load(), main(), UpdStatement::resolve(), SelStatement::resolve(), InsStatement::resolve(), DelStatement::resolve(), CacheTableLoader::unload(), and verifyPrimKeyFldVal().

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The documentation for this class was generated from the following file:

• include/DatabaseManager.h

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