org.gvsig.fmap.dal.store.jdbc

Class JDBCResource

java.lang.Object

org.gvsig.fmap.dal.resource.spi.AbstractResource

org.gvsig.fmap.dal.resource.spi.AbstractNonBlockingResource

org.gvsig.fmap.dal.resource.db.AbstractDBResourceNoBlocker

org.gvsig.fmap.dal.store.jdbc.JDBCResource

All Implemented Interfaces:

Resource, ResourceProvider, Observable, WeakReferencingObservable

public class JDBCResource
extends AbstractDBResourceNoBlocker

Field Summary

Fields

Modifier and Type	Field and Description
protected DataSource	dataSource
static String	DESCRIPTION
static String	NAME

Fields inherited from class org.gvsig.fmap.dal.resource.spi.AbstractResource

lock, multiResourcelock

Constructor Summary

Constructors

Constructor and Description
JDBCResource(JDBCResourceParameters parameters)

Method Summary

Modifier and Type	Method and Description
void	beginUse()
void	closeConnection(Connection connection)
protected void	connectToDB() final implementation method to Establish connection to data base Called from AbstractDBResourceNoBlocker.get()
protected DataSource	createDataSource() Crea el JDBC DataSource a partir de la informacion de los parametros del recurso.
protected void	debugPoolStatus(String src)
void	endUse()
Connection	getJDBCConnection()
String	getName() Returns the name of the Resource.
JDBCResourceParameters	getParameters() Returns the resource parameters.
String	getStatusInformation()
protected Object	getTheConnection() final implementation method to get a connection to data base Called from AbstractDBResourceNoBlocker.connect() This method is called with the connection establish
boolean	isConnected() inform if connection to the data base is established
boolean	isThis(ResourceParameters parameters) Check if parameters is the same for this resource.
protected void	registerJDBCDriver() Registra/Carga el driver de JDBC.

Methods inherited from class org.gvsig.fmap.dal.resource.db.AbstractDBResourceNoBlocker

connect, equals, get, getConnection

Methods inherited from class org.gvsig.fmap.dal.resource.spi.AbstractNonBlockingResource

execute

Methods inherited from class org.gvsig.fmap.dal.resource.spi.AbstractResource

addConsumer, addObserver, addObservers, closeRequest, deleteObserver, deleteObservers, executeBegins, executeEnds, getConsumerAt, getConsumersCount, getData, getLastTimeOpen, getLastTimeUsed, inUse, isOpen, notifyChanges, notifyClose, notifyDispose, notifyObserver, notifyOpen, openCount, performExecution, prepare, prepare, removeConsumer, setData, updateLastTimeOpen, updateLastTimeUsed

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

DESCRIPTION

public static final String DESCRIPTION

See Also:

Constant Field Values

dataSource

protected DataSource dataSource

Constructor Detail

JDBCResource

public JDBCResource(JDBCResourceParameters parameters)
             throws InitializeException

Throws:

InitializeException

Method Detail

registerJDBCDriver

protected void registerJDBCDriver()
                           throws InitializeException

Registra/Carga el driver de JDBC. Debe ser sobreescrita en cada proveedor de datos para asegurar que se tegna acceso al driver.

Throws:

InitializeException

createDataSource

protected DataSource createDataSource()

Crea el JDBC DataSource a partir de la informacion de los parametros del recurso. Debe ser sobreescrita en cada proveedor de datos para asegurar que se tenga acceso al driver.

Returns:

getParameters

public JDBCResourceParameters getParameters()

Description copied from interface: Resource

Returns the resource parameters. These parameters contain all the necessary information to access the resource.

Specified by:

getParameters in interface Resource

Overrides:

getParameters in class AbstractResource

Returns:

resource parameters.

getName

public String getName()
               throws AccessResourceException

Description copied from class: AbstractResource

Returns the name of the Resource.

Specified by:

getName in interface Resource

Specified by:

getName in class AbstractResource

Returns:

resource's name

Throws:

AccessResourceException - if there is an error while accessing the resource

getJDBCConnection

public Connection getJDBCConnection()
                             throws AccessResourceException

Throws:

AccessResourceException

closeConnection

public void closeConnection(Connection connection)

debugPoolStatus

protected void debugPoolStatus(String src)

getStatusInformation

public String getStatusInformation()

getTheConnection

protected Object getTheConnection()
                           throws DataException

Description copied from class: AbstractDBResourceNoBlocker

final implementation method to get a connection to data base
Called from AbstractDBResourceNoBlocker.connect()

This method is called with the connection establish

Specified by:

getTheConnection in class AbstractDBResourceNoBlocker

Throws:

DataException

isThis

public boolean isThis(ResourceParameters parameters)
               throws ResourceException

Description copied from class: AbstractDBResourceNoBlocker

Check if parameters is the same for this resource.

Note: override this method to add checks for specify final implementation parameters

Specified by:

isThis in interface ResourceProvider

Overrides:

isThis in class AbstractDBResourceNoBlocker

Throws:

ResourceException

See Also:

AbstractResource#isThis(ResourceParameters)

isConnected

public boolean isConnected()

Description copied from class: AbstractDBResourceNoBlocker

inform if connection to the data base is established

Specified by:

isConnected in class AbstractDBResourceNoBlocker

Returns:

connectToDB

protected void connectToDB()
                    throws DataException

Description copied from class: AbstractDBResourceNoBlocker

final implementation method to Establish connection to data base
Called from AbstractDBResourceNoBlocker.get()

Specified by:

connectToDB in class AbstractDBResourceNoBlocker

Throws:

DataException

beginUse

public void beginUse()

endUse

public void endUse()