DatabaseLayer Class Reference

#include <DatabaseLayer.h>

Inheritance diagram for DatabaseLayer:

List of all members.

Public Member Functions
	DatabaseLayer ()
	Constructor.
virtual	~DatabaseLayer ()
	Destructor.
virtual bool	Open (const wxString &strDatabase)=0
virtual bool	Close ()=0
	close database
virtual void	BeginTransaction ()=0
	Begin a transaction.
virtual void	Commit ()=0
	Commit the current transaction.
virtual void	RollBack ()=0
	Rollback the current transaction.
virtual bool	RunQuery (const wxString &strQuery)
	Run an insert, update, or delete query on the database.
virtual bool	RunQuery (const wxString &strQuery, bool bParseQueries)=0
	Run an insert, update, or delete query on the database.
virtual DatabaseResultSet *	RunQueryWithResults (const wxString &strQuery)=0
	Run a select query on the database.
virtual bool	CloseResultSet (DatabaseResultSet *pResultSet)
	Close a result set returned by the database or a prepared statement previously.
virtual PreparedStatement *	PrepareStatement (const wxString &strQuery)=0
	Prepare a SQL statement which can be reused with different parameters.
virtual bool	CloseStatement (PreparedStatement *pStatement)
	Close a prepared statement previously prepared by the database.
bool	ExecuteUpdate (const wxString &strQuery)
	See RunQuery.
DatabaseResultSet *	ExecuteQuery (const wxString &strQuery)
	See RunQueryWithResults.
Protected Member Functions
void	CloseResultSets ()
	Close all result set objects that have been generated but not yet closed.
void	CloseStatements ()
	Close all prepared statement objects that have been generated but not yet closed.
void	LogResultSetForCleanup (DatabaseResultSet *pResultSet)
	Add result set object pointer to the list for "garbage collection".
void	LogStatementForCleanup (PreparedStatement *pStatement)
	Add prepared statement object pointer to the list for "garbage collection".

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Constructor & Destructor Documentation

DatabaseLayer::DatabaseLayer (   )

Constructor. Definition at line 6 of file DatabaseLayer.cpp.

DatabaseLayer::~DatabaseLayer (   )  [virtual]

Destructor. Definition at line 12 of file DatabaseLayer.cpp. References CloseResultSets(), and CloseStatements().

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Member Function Documentation

virtual void DatabaseLayer::BeginTransaction (   )  [pure virtual]

Begin a transaction. Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer.

virtual bool DatabaseLayer::Close (   )  [pure virtual]

close database Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer.

bool DatabaseLayer::CloseResultSet (  DatabaseResultSet *  pResultSet  )  [virtual]

Close a result set returned by the database or a prepared statement previously. Definition at line 49 of file DatabaseLayer.cpp. References PreparedStatement::CloseResultSet().

void DatabaseLayer::CloseResultSets (   )  [protected]

Close all result set objects that have been generated but not yet closed. Definition at line 23 of file DatabaseLayer.cpp. Referenced by SqliteDatabaseLayer::Close(), PostgresDatabaseLayer::Close(), OdbcDatabaseLayer::Close(), MysqlDatabaseLayer::Close(), FirebirdDatabaseLayer::Close(), and ~DatabaseLayer().

bool DatabaseLayer::CloseStatement (  PreparedStatement *  pStatement  )  [virtual]

Close a prepared statement previously prepared by the database. Definition at line 92 of file DatabaseLayer.cpp.

void DatabaseLayer::CloseStatements (   )  [protected]

Close all prepared statement objects that have been generated but not yet closed. Definition at line 36 of file DatabaseLayer.cpp. Referenced by SqliteDatabaseLayer::Close(), PostgresDatabaseLayer::Close(), OdbcDatabaseLayer::Close(), MysqlDatabaseLayer::Close(), FirebirdDatabaseLayer::Close(), and ~DatabaseLayer().

virtual void DatabaseLayer::Commit (   )  [pure virtual]

Commit the current transaction. Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer.

DatabaseResultSet* DatabaseLayer::ExecuteQuery (  const wxString &  strQuery  )  [inline]

See RunQueryWithResults. Definition at line 71 of file DatabaseLayer.h. References RunQueryWithResults().

bool DatabaseLayer::ExecuteUpdate (  const wxString &  strQuery  )  [inline]

See RunQuery. Definition at line 69 of file DatabaseLayer.h. References RunQuery().

void DatabaseLayer::LogResultSetForCleanup (  DatabaseResultSet *  pResultSet  )  [inline, protected]

Add result set object pointer to the list for "garbage collection". Definition at line 80 of file DatabaseLayer.h. Referenced by SqliteDatabaseLayer::RunQueryWithResults(), PostgresDatabaseLayer::RunQueryWithResults(), OdbcDatabaseLayer::RunQueryWithResults(), MysqlDatabaseLayer::RunQueryWithResults(), and FirebirdDatabaseLayer::RunQueryWithResults().

void DatabaseLayer::LogStatementForCleanup (  PreparedStatement *  pStatement  )  [inline, protected]

Add prepared statement object pointer to the list for "garbage collection". Definition at line 82 of file DatabaseLayer.h. Referenced by SqliteDatabaseLayer::PrepareStatement(), PostgresDatabaseLayer::PrepareStatement(), OdbcDatabaseLayer::PrepareStatement(), MysqlDatabaseLayer::PrepareStatement(), and FirebirdDatabaseLayer::PrepareStatement().

virtual bool DatabaseLayer::Open (  const wxString &  strDatabase  )  [pure virtual]

Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer.

virtual PreparedStatement* DatabaseLayer::PrepareStatement (  const wxString &  strQuery  )  [pure virtual]

Prepare a SQL statement which can be reused with different parameters. Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer.

virtual void DatabaseLayer::RollBack (   )  [pure virtual]

Rollback the current transaction. Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer.

virtual bool DatabaseLayer::RunQuery (  const wxString &  strQuery, bool  bParseQueries )  [pure virtual]

Run an insert, update, or delete query on the database. Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer.

bool DatabaseLayer::RunQuery (  const wxString &  strQuery  )  [virtual]

Run an insert, update, or delete query on the database. Definition at line 18 of file DatabaseLayer.cpp. Referenced by ExecuteUpdate().

virtual DatabaseResultSet* DatabaseLayer::RunQueryWithResults (  const wxString &  strQuery  )  [pure virtual]

Run a select query on the database. Implemented in FirebirdDatabaseLayer, MysqlDatabaseLayer, OdbcDatabaseLayer, OracleDatabaseLayer, PostgresDatabaseLayer, and SqliteDatabaseLayer. Referenced by ExecuteQuery().

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

• DatabaseLayer.h
• DatabaseLayer.cpp

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