Package org.palladiosimulator.edp2.dao.impl

Class Edp2DaoImpl

java.lang.Object

org.palladiosimulator.edp2.dao.impl.Edp2DaoImpl

All Implemented Interfaces:

Edp2Dao

Direct Known Subclasses:

AbstractMeasurementsDaoImpl, MetaDaoImpl

public abstract class Edp2DaoImpl
extends Object
implements Edp2Dao

Abstract base class of all EDP2 DAOs. Implements the basic DAO protocol all DAOs can rely on.

Constructor Summary

Constructors

Constructor	Description
Edp2DaoImpl()

Method Summary

Modifier and Type	Method	Description
boolean	canClose()	Checks if the connection of this DAO to the data store can be closed.
boolean	canDelete()	Checks if the data managed by this DAO can be permanently deleted.
boolean	canOpen()	Checks if the data store which is accessed by this DAO is available and can be opened using Edp2Dao.open().
void	close()	Closes the connection to the data store.
void	delete()	Deletes all of the stored data.
boolean	isDeleted()	Returns if the referenced data has been deleted.
boolean	isOpen()	Returns if data is accessible or not.
void	open()	Opens the connection to the data store and makes it's data accessible.
protected void	setClosed()
protected void	setDeleted(boolean newValue)
protected void	setOpen()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.palladiosimulator.edp2.dao.Edp2Dao

flush

Constructor Detail

Edp2DaoImpl

public Edp2DaoImpl()

Method Detail

open

public void open()
          throws DataNotAccessibleException

Description copied from interface: Edp2Dao

Opens the connection to the data store and makes it's data accessible.

Specified by:

open in interface Edp2Dao

Throws:

DataNotAccessibleException - Errors when initializing the data access.

close

public void close()
           throws DataNotAccessibleException

Description copied from interface: Edp2Dao

Closes the connection to the data store. If necessary, data is persisted before closing.

Specified by:

close in interface Edp2Dao

Throws:

DataNotAccessibleException - Errors when accessing data.

delete

public void delete()
            throws DataNotAccessibleException

Description copied from interface: Edp2Dao

Deletes all of the stored data.

Specified by:

delete in interface Edp2Dao

Throws:

DataNotAccessibleException - Errors when accessing data.

isDeleted

public boolean isDeleted()

Description copied from interface: Edp2Dao

Returns if the referenced data has been deleted.

Specified by:

isDeleted in interface Edp2Dao

Returns:

true if the data has been delete.

isOpen

public boolean isOpen()

Description copied from interface: Edp2Dao

Returns if data is accessible or not.

Specified by:

isOpen in interface Edp2Dao

Returns:

true if the connection is open and data is accessible.

canClose

public boolean canClose()

Description copied from interface: Edp2Dao

Checks if the connection of this DAO to the data store can be closed.

Specified by:

canClose in interface Edp2Dao

Returns:

true if it can be closed, false otherwise.

canDelete

public boolean canDelete()

Description copied from interface: Edp2Dao

Checks if the data managed by this DAO can be permanently deleted.

Specified by:

canDelete in interface Edp2Dao

Returns:

true if Edp2Dao.delete() can be called, false otherwise.

canOpen

public boolean canOpen()

Description copied from interface: Edp2Dao

Checks if the data store which is accessed by this DAO is available and can be opened using Edp2Dao.open().

Specified by:

canOpen in interface Edp2Dao

Returns:

true if the data store is available, false otherwise.

setOpen

protected void setOpen()

setClosed

protected void setClosed()

setDeleted

protected void setDeleted(boolean newValue)