goldengate.common.database.model
Class DbModelH2

java.lang.Object
  goldengate.common.database.model.DbModelAbstract
      goldengate.common.database.model.DbModelH2

All Implemented Interfaces:

DbModel

public abstract class DbModelH2
extends DbModelAbstract

H2 Database Model implementation

Author:

Frederic Bregier

Nested Class Summary

protected static class

DbModelH2.DBType

Field Summary

protected static org.h2.jdbcx.JdbcConnectionPool	pool
static DbType	type

Constructor Summary

protected	DbModelH2() Create the object and initialize if necessary the driver
	DbModelH2(String dbserver, String dbuser, String dbpasswd) Create the object and initialize if necessary the driver

Method Summary

void	createTables(DbSession session) Create all necessary tables into the database
int	currentNumberOfPooledConnections()
Connection	getDbConnection(String server, String user, String passwd)
DbType	getDbType()
String	limitRequest(String allfields, String request, int nb) Add a limit on the request to get the "limit" first rows.
long	nextSequence(DbSession dbSession)
void	releaseResources() Release any internal resources if needed
void	resetSequence(DbSession session, long newvalue) Reset the sequence (example)
protected String	validConnectionString()

Methods inherited from class goldengate.common.database.model.DbModelAbstract

closeInternalConnection, validConnection, validConnectionSelect

Methods inherited from class java.lang.Object

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

Field Detail

type

public static DbType type

pool

protected static org.h2.jdbcx.JdbcConnectionPool pool

Constructor Detail

DbModelH2

public DbModelH2(String dbserver,
                 String dbuser,
                 String dbpasswd)
          throws GoldenGateDatabaseNoConnectionException

Create the object and initialize if necessary the driver

Parameters:

dbserver -

dbuser -

dbpasswd -

Throws:

GoldenGateDatabaseNoConnectionException

DbModelH2

protected DbModelH2()
             throws GoldenGateDatabaseNoConnectionException

Create the object and initialize if necessary the driver

Throws:

GoldenGateDatabaseNoConnectionException

Method Detail

getDbType

public DbType getDbType()

Returns:

the current DbType used

releaseResources

public void releaseResources()

Description copied from interface: DbModel

Release any internal resources if needed

Specified by:

releaseResources in interface DbModel

Overrides:

releaseResources in class DbModelAbstract

currentNumberOfPooledConnections

public int currentNumberOfPooledConnections()

Specified by:

currentNumberOfPooledConnections in interface DbModel

Overrides:

currentNumberOfPooledConnections in class DbModelAbstract

Returns:

the number of Pooled Connections if any

getDbConnection

public Connection getDbConnection(String server,
                                  String user,
                                  String passwd)
                           throws SQLException

Specified by:

getDbConnection in interface DbModel

Overrides:

getDbConnection in class DbModelAbstract

Returns:

a connection according to the underlying Database Model

Throws:

SQLException

createTables

public void createTables(DbSession session)
                  throws GoldenGateDatabaseNoConnectionException

Description copied from interface: DbModel

Create all necessary tables into the database

Parameters:

session - SQL session

Throws:

GoldenGateDatabaseNoConnectionException

resetSequence

public void resetSequence(DbSession session,
                          long newvalue)
                   throws GoldenGateDatabaseNoConnectionException

Description copied from interface: DbModel

Reset the sequence (example)

Parameters:

session - SQL session

Throws:

GoldenGateDatabaseNoConnectionException

nextSequence

public long nextSequence(DbSession dbSession)
                  throws GoldenGateDatabaseNoConnectionException,
                         GoldenGateDatabaseSqlException,
                         GoldenGateDatabaseNoDataException

Returns:

The next unique specialId

Throws:

GoldenGateDatabaseNoConnectionException

GoldenGateDatabaseSqlException

GoldenGateDatabaseNoDataException

validConnectionString

protected String validConnectionString()

Specified by:

validConnectionString in class DbModelAbstract

Returns:

the associated String to validate the connection (as "select 1 frm dual")

limitRequest

public String limitRequest(String allfields,
                           String request,
                           int nb)

Description copied from interface: DbModel

Add a limit on the request to get the "limit" first rows. Note that it must be compatible to add the "limit" condition.
DO NOT CHANGE (add) ANYTHING to the request
On Oracle: select allfield from (request) where rownnum <= limit
On others: request LIMIT limit

Parameters:

allfields - string representing the equivalent to "*" in "select *" but more precisely as "field1, field2" in "select field1, field2"

Returns:

the new request String which will limit the result to the specified number of rows