org.makumba.db.makumba.sql
Class SQLDBConnection

java.lang.Object
  org.makumba.db.TransactionImplementation
      org.makumba.db.makumba.DBConnection
          org.makumba.db.makumba.sql.SQLDBConnection

All Implemented Interfaces:

Database, Transaction

public class SQLDBConnection
extends DBConnection

Field Summary

(package private) int	n
(package private) static int	nconn

Fields inherited from class org.makumba.db.makumba.DBConnection

dataSource, db

Fields inherited from class org.makumba.db.TransactionImplementation

ddp, qp, tp

Constructor Summary

SQLDBConnection(Database db, TransactionProvider tp)

Method Summary

void	close() Give this connection back to the system.
void	commit() Commit the transaction associated with this connection.
Statement	createStatement()
DatabaseMetaData	getMetaData()
PreparedStatement	getPreparedStatement(String s)
void	rollback() Rollback the transaction associated with this connection.
String	toString()

Methods inherited from class org.makumba.db.makumba.DBConnection

deleteLock, executeQuery, executeQuery, executeReadQuery, executeUpdate, getDataSource, getHostDatabase, getName, getNullConstant, getQuery, insert, insertFromQuery, lock, setDataSource, unlock, unlockAll, writeReadQuery

Methods inherited from class org.makumba.db.TransactionImplementation

delete, delete, delete1, extractReadFields, getParameterName, getPrimaryKeyName, getPrimaryKeyName, getSetJoinSyntax, getTransactionProvider, insert, paramsToMap, paramsToMap1, read, setContext, transformTypeName, treatParam, update, update

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

nconn

static int nconn

n

int n

Constructor Detail

SQLDBConnection

SQLDBConnection(Database db,
                TransactionProvider tp)
          throws SQLException

Throws:

SQLException

Method Detail

close

public void close()

Description copied from interface: Transaction

Give this connection back to the system. This will automatically commit the transaction if it was not committed. A connection cannot be used after closing.

Specified by:

close in interface Database

Specified by:

close in interface Transaction

Specified by:

close in class TransactionImplementation

commit

public void commit()

Description copied from interface: Transaction

Commit the transaction associated with this connection. Normally, simply closing the connection will do, but more often committs may be needed. The business logic manager will close (and therefore commit) all transaction that it provides for usage.

Specified by:

commit in interface Database

Specified by:

commit in interface Transaction

Specified by:

commit in class TransactionImplementation

rollback

public void rollback()

Description copied from interface: Transaction

Rollback the transaction associated with this connection. Typically rollback should be doneif an error occurs in a business logic operation. The business logic manager will rollback a transaction that it provided for usage if it catches any exception during the business logic execution.

Specified by:

rollback in interface Database

Specified by:

rollback in interface Transaction

Specified by:

rollback in class TransactionImplementation

toString

public String toString()

Overrides:

toString in class Object

getMetaData

public DatabaseMetaData getMetaData()
                             throws SQLException

Throws:

SQLException

createStatement

public Statement createStatement()
                          throws SQLException

Throws:

SQLException

getPreparedStatement

public PreparedStatement getPreparedStatement(String s)