Package com.musicxmltasks.database

Class DBTransaction

java.lang.Object

com.musicxmltasks.database.DBTransaction

public class DBTransaction
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
DBTransaction(javax.persistence.EntityManager em)

Method Summary

Modifier and Type	Method	Description
void	begin()
void	commit()
void	create(java.lang.Object object)
void	delete(java.lang.Object object)
<T extends DatabaseItem> T	find(java.lang.Class<T> classType, java.lang.String field, java.lang.Object value)
<T extends DatabaseItem> java.util.List<T>	findAll(java.lang.Class<T> classType)
<T> T	getObjectById(java.lang.Class<T> classObject, int id)
boolean	isActive()

Methods inherited from class java.lang.Object

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

Constructor Details

DBTransaction

public DBTransaction(javax.persistence.EntityManager em)

Method Details

begin

public void begin()
           throws DBException

Throws:

DBException

commit

public void commit()
            throws DBException

Throws:

DBException

isActive

public boolean isActive()

create

public void create(java.lang.Object object)
            throws DBException

Throws:

DBException

delete

public void delete(java.lang.Object object)
            throws DBException

Throws:

DBException

getObjectById

public <T> T getObjectById(java.lang.Class<T> classObject,
int id)
                    throws DBException

Throws:

DBException

find

public <T extends DatabaseItem> T find(java.lang.Class<T> classType,
java.lang.String field,
java.lang.Object value)
                                throws DBException

Throws:

DBException

findAll

public <T extends DatabaseItem> java.util.List<T> findAll(java.lang.Class<T> classType)
                                                   throws DBException

Throws:

DBException