it.unimi.dico.islab.idbs2.map.session

Class MappingManager

java.lang.Object

it.unimi.dico.islab.idbs2.map.session.MappingManager

public class MappingManager
extends Object

Manages object saving and querying for Mapping wrapper. This class contains most used interrogations and methods for saving an object of this class.

IMPORTANT: this class has no public constructor. A singleton instance of this class is contained in MapSessionManager class

Author:

Vegeziel

See Also:

MappingSet

Method Summary

Methods

Modifier and Type	Method and Description
Mapping	getMapping(String el1, String el2) Load a Mapping between two elements el1 and el2.
protected static MappingManager	getMappingManager()
void	saveOrUpdate(Mapping m) Give persistence to the given MappingSet object using associated Hibernate mappings.

Methods inherited from class java.lang.Object

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

Method Detail

getMappingManager

protected static MappingManager getMappingManager()

getMapping

public Mapping getMapping(String el1,
                 String el2)

Load a Mapping between two elements el1 and el2.

Parameters:

el1 - the first element of the mapping

el2 - the second element of the mapping

Returns:

the mapping having el1 as first element and el2 as second element.

saveOrUpdate

public void saveOrUpdate(Mapping m)

Give persistence to the given MappingSet object using associated Hibernate mappings.

This method executes the saveOrUpdate method of the Hibernate Session. As the saved object is the main class of this package, by saving this object a cascade save is started for all connected objects (configuration, new used relations, created users and mappings).