Package net.ssehub.easy.producer.core.persistence.internal

Class DataStorage

java.lang.Object

net.ssehub.easy.producer.core.persistence.internal.DataStorage

All Implemented Interfaces:

StorageConnector

public class DataStorage
extends java.lang.Object
implements StorageConnector

Extensible delegator for persistent access. This delegator supports saving and (partial) loading of Models. Supported persistent formats can be found in StorageType.

Author:

Kapeluch, El-Sharkawy

Field Summary

Fields

Modifier and Type	Field	Description
private StorageConnector	connector
private java.lang.String	location
private PathEnvironment	pathEnv
private StorageType	type

Constructor Summary

Constructors

Constructor	Description
DataStorage(StorageType type, java.lang.String location, PathEnvironment pathEnv)	Sole constructor.

Method Summary

Modifier and Type	Method	Description
void	createConnector()	Creates and returns a specific storage-connector.
java.lang.String	getLocation()	Returns the storage-location.
PathEnvironment	getPathEnvironment()	Returns the path environment used for making paths relative.
java.lang.String	getProjectID()	Returns the UUID of a given pl project.
void	loadModels(Model... models)	Loads the specified models.
void	loadModels(PersistentProject project)	Method for loading models out of a persistent file/database.
void	saveModels(PersistentProject project)	Saves data from given model to storage.
void	setLocation(java.lang.String storageLocation)	Setter for the location of the file to be read/written.

Methods inherited from class java.lang.Object

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

Field Detail

type

private StorageType type

location

private java.lang.String location

connector

private StorageConnector connector

pathEnv

private PathEnvironment pathEnv

Constructor Detail

DataStorage

public DataStorage(StorageType type,
                   java.lang.String location,
                   PathEnvironment pathEnv)

Sole constructor.

Parameters:

type - Storage type

location - Location

pathEnv - an instance to make locations relative

Method Detail

getLocation

public java.lang.String getLocation()

Returns the storage-location.

Returns:

the storageLocation

setLocation

public void setLocation(java.lang.String storageLocation)

Setter for the location of the file to be read/written.

Parameters:

storageLocation - the storageLocation to set

createConnector

public void createConnector()

Creates and returns a specific storage-connector.

loadModels

public void loadModels(Model... models)
                throws PersistenceException

Description copied from interface: StorageConnector

Loads the specified models.

Specified by:

loadModels in interface StorageConnector

Parameters:

models - the models to load

Throws:

PersistenceException - in case of reading errors

loadModels

public void loadModels(PersistentProject project)
                throws PersistenceException

Description copied from interface: StorageConnector

Method for loading models out of a persistent file/database.

Specified by:

loadModels in interface StorageConnector

Parameters:

project - A PersistentProject holding an empty array of Models for storing the information read in a persistent file/database. These models must only contain the correct ModelTypes, for managing which parts should be loaded.

Throws:

PersistenceException - Will be thrown if an error is occurred during reading the persistent information.

saveModels

public void saveModels(PersistentProject project)
                throws PersistenceException

Description copied from interface: StorageConnector

Saves data from given model to storage.

Specified by:

saveModels in interface StorageConnector

Parameters:

project - The information which should be saved in non ivml files.

Throws:

PersistenceException - Will be thrown if an error is occurred during reading the persistent information.

getProjectID

public java.lang.String getProjectID()

Description copied from interface: StorageConnector

Returns the UUID of a given pl project.

Specified by:

getProjectID in interface StorageConnector

Returns:

the id or null if the specified project has no configuration file.

getPathEnvironment

public PathEnvironment getPathEnvironment()

Description copied from interface: StorageConnector

Returns the path environment used for making paths relative.

Specified by:

getPathEnvironment in interface StorageConnector

Returns:

the path environment