de.zib.gndms.logic.model.ModelTaskAction< O extends ModelIdHoldingOrder > Class Reference

Inherits de::zib::gndms::logic::model::DefaultTaskAction< O >.

List of all members.

Public Member Functions
	ModelTaskAction (final Class< O > orderClass)
DirectoryAux	getDirectoryAux ()
void	setDirectoryAux (final DirectoryAux directoryAux)
Package Functions
protected< M > M	getModelEntity (final Class< M > modelClass)
	Delivers the model for the id given in the order object.
protected< M > M	getEntity (final Class< M > modelClass, final String modelId)
	Loades an entity from the database.
protected< M > void	deleteModelEntity (final Class< M > modelClass)
	Deletes the model-entity, whose id given in the order.
protected< M > void	deleteEntity (final Class< M > modelClass, final String modelId)
	Deletes an entity from the database.
Private Attributes
DirectoryAux	directoryAux

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Detailed Description

Author:

Maik Jorra jorra@zib.de

Date:

22.12.11 16:57

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Member Function Documentation

protected<M> void de.zib.gndms.logic.model.ModelTaskAction< O extends ModelIdHoldingOrder >.deleteEntity	(	final Class< M >	modelClass,
		final String	modelId
	)		[package]

Deletes an entity from the database.

Parameters:

modelClass	The class of the entity, required for the look-up
modelId	The id, i.e. primary key, of the entity.

                                                                                       {

        M model;
        EntityManager em = getEmf().createEntityManager();
        TxFrame tx = new TxFrame( em );
        try{
            model = em.find( modelClass, modelId );
            em.remove( model );
            tx.commit();
        } finally {
            tx.finish();
        }
    }

protected<M> void de.zib.gndms.logic.model.ModelTaskAction< O extends ModelIdHoldingOrder >.deleteModelEntity

(

final Class< M >

modelClass

)

[package]

Deletes the model-entity, whose id given in the order.

ensuredOrder must have been called.

Parameters:

modelClass

the model class...

Returns:

The entity referenced by

                                                                      {

        deleteEntity( modelClass, getOrder().getModelId() );
    }

protected<M> M de.zib.gndms.logic.model.ModelTaskAction< O extends ModelIdHoldingOrder >.getEntity	(	final Class< M >	modelClass,
		final String	modelId
	)		[package]

Loades an entity from the database.

Parameters:

modelClass	The class of the entity.
modelId	The id, i.e. primary key, of the entity.

Returns:

The entity instance, in detached state.

                                                                                 {

        M model;
        EntityManager em = getEmf().createEntityManager();
        TxFrame tx = new TxFrame( em );
        try{
            model = em.find( modelClass, modelId );
            tx.commit();
        } finally {
            tx.finish();
        }
        return model;
    }

protected<M> M de.zib.gndms.logic.model.ModelTaskAction< O extends ModelIdHoldingOrder >.getModelEntity

(

final Class< M >

modelClass

)

[package]

Delivers the model for the id given in the order object.

ensuredOrder must have been called.

Parameters:

modelClass

the model calls...

Returns:

The entity referenced by

                                                                {

        return getEntity( modelClass, getOrder().getModelId() );
    }

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The documentation for this class was generated from the following file:

• logic/src/de/zib/gndms/logic/model/ModelTaskAction.java