org.sourceforge.jxdbcon.db2
Class DB2Connection

java.lang.Object
  |
  +--org.sourceforge.jxdbcon.AbstractConnection
        |
        +--org.sourceforge.jxdbcon.db2.DB2Connection

All Implemented Interfaces:

Cloneable, Connection, InfoKeys

Direct Known Subclasses:

DRDAConnection

public abstract class DB2Connection

extends AbstractConnection

The DB2Connection manages a JDBC Connection to a DB2 database server.

Version:

$Revision: 1.1 $, $Date: 2002/03/18 20:05:39 $

Author:

Keve Müller

Field Summary

protected boolean	autoCommit Are we in autoCommit mode?.
private DatabaseMetaData	dbMeta The metadata instance.
private DB2Protocol	proto The Protocol instance that talks to the backend.

Fields inherited from class org.sourceforge.jxdbcon.AbstractConnection

info, typeMap, warning

Fields inherited from interface java.sql.Connection

TRANSACTION_NONE, TRANSACTION_READ_COMMITTED, TRANSACTION_READ_UNCOMMITTED, TRANSACTION_REPEATABLE_READ, TRANSACTION_SERIALIZABLE

Fields inherited from interface org.sourceforge.jxdbcon.InfoKeys

CATALOG, DESCRIPTION, DRIVER, HOST, PASSWORD, PORT, SUBDRIVER, USER

Constructor Summary

DB2Connection()

Method Summary

void	close() Close the connection.
protected abstract DB2Protocol	connect(Properties info) Open a connection.
Statement	createStatement(int resultSetType, int resultSetConcurrency) Create a statement.
boolean	getAutoCommit() Return the auto commit state.
EscapeContext	getEscapeContext(Object obj, ConversionContext ctx) Create an EscapeContext.
DatabaseMetaData	getMetaData()
protected void	open(String url, Properties uinfo) Open a connection.
CallableStatement	prepareCall(String sql, int resultSetType, int resultSetConcurrency)
PreparedStatement	prepareStatement(String sql, int resultSetType, int resultSetConcurrency)

Methods inherited from class org.sourceforge.jxdbcon.AbstractConnection

clearWarnings, clone, commit, createStatement, createStatement, duplicate, fillPropertyInfo, finalize, getCatalog, getHoldability, getInfo, getTransactionIsolation, getTypeMap, getWarnings, isClosed, isReadOnly, nativeSQL, prepareCall, prepareCall, prepareStatement, prepareStatement, prepareStatement, prepareStatement, prepareStatement, releaseSavepoint, rollback, rollback, setAutoCommit, setCatalog, setHoldability, setReadOnly, setSavepoint, setSavepoint, setTransactionIsolation, setTypeMap, takeOver, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

autoCommit

protected boolean autoCommit

Are we in autoCommit mode?. Initially the connection will be in auto commit mode.

dbMeta

private DatabaseMetaData dbMeta

The metadata instance.

proto

private DB2Protocol proto

The Protocol instance that talks to the backend.

Constructor Detail

DB2Connection

public DB2Connection()

Method Detail

close

public void close()
           throws SQLException

Description copied from class: AbstractConnection

Close the connection. Null everything. This function is implicitely invoked on an open Connection when it gets finalized.

Specified by:

close in interface Connection

Overrides:

close in class AbstractConnection

Throws:

SQLException - if an error occurs

connect

protected abstract DB2Protocol connect(Properties info)
                                throws SQLException

Open a connection.

SQLException

createStatement

public Statement createStatement(int resultSetType,
                                 int resultSetConcurrency)
                          throws SQLException

Description copied from class: AbstractConnection

Create a statement. Connection implementations override this.

Specified by:

createStatement in interface Connection

Specified by:

createStatement in class AbstractConnection

SQLException

getAutoCommit

public boolean getAutoCommit()

Return the auto commit state.

Specified by:

getAutoCommit in interface Connection

Overrides:

getAutoCommit in class AbstractConnection

Returns:

true.

getEscapeContext

public EscapeContext getEscapeContext(Object obj,
                                      ConversionContext ctx)

Description copied from class: AbstractConnection

Create an EscapeContext.

Specified by:

getEscapeContext in class AbstractConnection

getMetaData

public DatabaseMetaData getMetaData()

open

protected final void open(String url,
                          Properties uinfo)
                   throws SQLException

Open a connection. Open a connection to the given URL. Establish a connection to the backend, then query it for important information.

Overrides:

open in class AbstractConnection

SQLException

prepareCall

public CallableStatement prepareCall(String sql,
                                     int resultSetType,
                                     int resultSetConcurrency)
                              throws SQLException

Specified by:

prepareCall in interface Connection

Specified by:

prepareCall in class AbstractConnection

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int resultSetType,
                                          int resultSetConcurrency)
                                   throws SQLException

Specified by:

prepareStatement in interface Connection

Specified by:

prepareStatement in class AbstractConnection

SQLException