Difference between revisions of "JEE5 Sample"
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Download [http://www.claude-glauser.ch/j2ee/jee5sample/WebLearingPlatformEAR.zip NetBeans Projekt] | Download [http://www.claude-glauser.ch/j2ee/jee5sample/WebLearingPlatformEAR.zip NetBeans Projekt] | ||
| + | |||
| + | == JSF == | ||
| + | |||
| + | == EJB3 == | ||
| + | |||
| + | == JPA == | ||
| + | === Bikirektionale One To Many Beziehung === | ||
| + | |||
| + | In der Klasse Question.java | ||
| + | <source lang="java5"> | ||
| + | @OneToMany(mappedBy="question", cascade = {CascadeType.PERSIST, CascadeType.MERGE} ) | ||
| + | private List<QuestionOption> options = new ArrayList<QuestionOption>(); | ||
| + | </source> | ||
| + | |||
| + | In der Klasse QuestionOption.java | ||
| + | |||
| + | |||
| + | <source lang="java5"> | ||
| + | @ManyToOne(optional=false, fetch = FetchType.EAGER) | ||
| + | @JoinColumn(name="questionid", nullable=false) | ||
| + | private Question question; | ||
| + | </source> | ||
Revision as of 15:53, 23 January 2009
Download NetBeans Projekt
JSF
EJB3
JPA
Bikirektionale One To Many Beziehung
In der Klasse Question.java
@OneToMany(mappedBy="question", cascade = {CascadeType.PERSIST, CascadeType.MERGE} )
private List<QuestionOption> options = new ArrayList<QuestionOption>();
In der Klasse QuestionOption.java
@ManyToOne(optional=false, fetch = FetchType.EAGER)
@JoinColumn(name="questionid", nullable=false)
private Question question;
