WebSVN - WebE - Diff - Rev 27 and 34 - /trunk/src/ch/ffhs/webE/dao/RelationshipTypeDAOImpl.java


package ch.ffhs.webE.dao;

import java.util.ArrayList;
import java.util.List;

import org.hibernate.Session;
import org.hibernate.Transaction;

import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget;
import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget;
import ch.ffhs.webE.domain.*;

public class RelationshipTypeDAOImpl implements RelationshipTypeDAO
{

    @SessionTarget
    Session session;
    @TransactionTarget
    Transaction transaction;

    /**
     * Gets a list of all the relationshipTypes in the database.
     *
     * @return List of all the users. In case of a problem, an empty list is
     *         returned.
     */
    @SuppressWarnings("unchecked")
    @Override
    public List<RelationshipType> getRelTypes()
    {

        List<RelationshipType> relType = null;

        try
        {
            relType = session.createQuery("from RelationshipType").list();
        }
        catch (Exception e)
        {
            // TODO: Logging
        }

        if (relType == null)
        {
            relType = new ArrayList<RelationshipType>();
        }

        return relType;
    }

    /**
     * used to save a relationship type
     *
     * @param RelationshipType
     *            relType: A filled DAO
     * @return Boolean indicating success or error in saving the
     *         relationshipType
     */
    @Override
    public boolean saveOrUpdateRelType(RelationshipType relType)
    {
        try
        {
            session.saveOrUpdate(relType);
            return true;
        }
        catch (Exception e)
        {
            transaction.rollback();
            return false;
            // TODO: Logging
        }
    }

    /**
     * Used to delete a relationship type.
     *
     * @param int RelationshipType ID
     * @return boolean indicating success or error in the query execution
     */
    @Override
    public boolean deleteRelationshipType(int relTypeID)
    {
        try
        {
            RelationshipType relType = (RelationshipType) session.get(
                    RelationshipType.class, relTypeID);
            session.delete(relType);
            return true;
        }
        catch (Exception e)
        {
            transaction.rollback();
            // TODO: Logging
            return false;
        }
    }

    /**
     * Used to get a relationship type by ID
     */
    @Override
    public RelationshipType getRelTypeById(int relTypeID)
    {
        RelationshipType relType = null;
        try
        {
            relType = (RelationshipType) session.get(RelationshipType.class,
                    relTypeID);
        }
        catch (Exception e)
        {
            e.printStackTrace();
            // TODO: Logging
        }
        return relType;
    }
}
 

Rev 27	Rev 34
1	package ch.ffhs.webE.dao;	1	package ch.ffhs.webE.dao;
2		2
3	import java.util.ArrayList;	3	import java.util.ArrayList;
4	import java.util.List;	4	import java.util.List;
5		5
6	import org.hibernate.Session;	6	import org.hibernate.Session;
7	import org.hibernate.Transaction;	7	import org.hibernate.Transaction;
8		8
9	import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget;	9	import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget;
10	import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget;	10	import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget;
11	import ch.ffhs.webE.domain.*;	11	import ch.ffhs.webE.domain.*;
12		12
13	public class RelationshipTypeDAOImpl implements RelationshipTypeDAO	13	public class RelationshipTypeDAOImpl implements RelationshipTypeDAO
14	{	14	{
15		15
16	@SessionTarget	16	@SessionTarget
17	Session session;	17	Session session;
18	@TransactionTarget	18	@TransactionTarget
19	Transaction transaction;	19	Transaction transaction;
20		20
21	/**	21	/**
22	* Gets a list of all the relationshipTypes in the database.	22	* Gets a list of all the relationshipTypes in the database.
23	*	23	*
24	* @return List of all the users. In case of a problem, an empty list is	24	* @return List of all the users. In case of a problem, an empty list is
25	* returned.	25	* returned.
26	*/	26	*/
27	@SuppressWarnings("unchecked")	27	@SuppressWarnings("unchecked")
28	@Override	28	@Override
29	public List<RelationshipType> listRelationshipTypes()	29	public List<RelationshipType> getRelTypes()
30	{	30	{
31		31
32	List<RelationshipType> relType = null;	32	List<RelationshipType> relType = null;
33		33
34	try	34	try
35	{	35	{
36	relType = session.createQuery("from RelationshipType").list();	36	relType = session.createQuery("from RelationshipType").list();
37	}	37	}
38	catch (Exception e)	38	catch (Exception e)
39	{	39	{
40	// TODO: Logging	40	// TODO: Logging
41	}	41	}
42		42
43	if (relType == null)	43	if (relType == null)
44	{	44	{
45	relType = new ArrayList<RelationshipType>();	45	relType = new ArrayList<RelationshipType>();
46	}	46	}
47		47
48	return relType;	48	return relType;
49	}	49	}
50		50
51	/**	51	/**
52	* used to save a relationship type	52	* used to save a relationship type
53	*	53	*
54	* @param RelationshipType	54	* @param RelationshipType
55	* relType: A filled DAO	55	* relType: A filled DAO
56	* @return Boolean indicating success or error in saving the	56	* @return Boolean indicating success or error in saving the
57	* relationshipType	57	* relationshipType
58	*/	58	*/
59	@Override	59	@Override
60	public boolean saveOrUpdateRelType(RelationshipType relType)	60	public boolean saveOrUpdateRelType(RelationshipType relType)
61	{	61	{
62	try	62	try
63	{	63	{
64	session.saveOrUpdate(relType);	64	session.saveOrUpdate(relType);
65	return true;	65	return true;
66	}	66	}
67	catch (Exception e)	67	catch (Exception e)
68	{	68	{
69	transaction.rollback();	69	transaction.rollback();
70	return false;	70	return false;
71	// TODO: Logging	71	// TODO: Logging
72	}	72	}
73	}	73	}
74		74
75	/**	75	/**
76	* Used to delete a relationship type.	76	* Used to delete a relationship type.
77	*	77	*
78	* @param int RelationshipType ID	78	* @param int RelationshipType ID
79	* @return boolean indicating success or error in the query execution	79	* @return boolean indicating success or error in the query execution
80	*/	80	*/
81	@Override	81	@Override
82	public boolean deleteRelationshipType(int relTypeID)	82	public boolean deleteRelationshipType(int relTypeID)
83	{	83	{
84	try	84	try
85	{	85	{
86	RelationshipType relType = (RelationshipType) session.get(	86	RelationshipType relType = (RelationshipType) session.get(
87	RelationshipType.class, relTypeID);	87	RelationshipType.class, relTypeID);
88	session.delete(relType);	88	session.delete(relType);
89	return true;	89	return true;
90	}	90	}
91	catch (Exception e)	91	catch (Exception e)
92	{	92	{
93	transaction.rollback();	93	transaction.rollback();
94	// TODO: Logging	94	// TODO: Logging
95	return false;	95	return false;
96	}	96	}
97	}	97	}
98		98
99	/**	99	/**
100	* Used to get a relationship type by ID	100	* Used to get a relationship type by ID
101	*/	101	*/
102	@Override	102	@Override
103	public RelationshipType listRelTypeById(int relTypeID)	103	public RelationshipType getRelTypeById(int relTypeID)
104	{	104	{
105	RelationshipType relType = null;	105	RelationshipType relType = null;
106	try	106	try
107	{	107	{
108	relType = (RelationshipType) session.get(RelationshipType.class,	108	relType = (RelationshipType) session.get(RelationshipType.class,
109	relTypeID);	109	relTypeID);
110	}	110	}
111	catch (Exception e)	111	catch (Exception e)
112	{	112	{
113	e.printStackTrace();	113	e.printStackTrace();
114	// TODO: Logging	114	// TODO: Logging
115	}	115	}
116	return relType;	116	return relType;
117	}	117	}
118	}	118	}
119		119

Subversion Repositories WebE

(root)/trunk/src/ch/ffhs/webE/dao/RelationshipTypeDAOImpl.java - Rev 27 → 34