Hi,
But it seems only an example on single field primary key, not on composite
primary key.
Albert
-----Original Message-----
From: A mailing list for Enterprise JavaBeans development
[mailto:[EMAIL PROTECTED]]On Behalf Of Neelu Mehta
Sent: Tuesday, August 01, 2000 7:49 PM
To: [EMAIL PROTECTED]
Subject: Re: Composite primary key
i think it can help you out
package crm.Check;
public class CheckBeanPK implements java.io.Serializable {
public int id;
public CheckBeanPK(int id){
this.id = id;
}
public CheckBeanPK(){}
public String toString() {
Integer n = new Integer(id);
return n.toString();
}
public int hashCode() {
return id;
}
public boolean equals (Object other) {
return (((CheckBeanPK) other).id == this.id);
}
Neelu
-----Original Message-----
From: Albert [SMTP:[EMAIL PROTECTED]]
Sent: Tuesday, August 01, 2000 1:17 PM
To: [EMAIL PROTECTED]
Subject: Re: Composite primary key
Hi,
How to write the hashcode and equal part of the primary key class??
Albert
-----Original Message-----
From: A mailing list for Enterprise JavaBeans development
[mailto:[EMAIL PROTECTED]]On Behalf Of Saji Peter Mathew
Sent: Tuesday, August 01, 2000 3:15 PM
To: [EMAIL PROTECTED]
Subject: Re: Composite primary key
since the ebj1.0 specs needs you to have a primary key class, u can
implement this in the primary class and this call file can be added in the
XML descriptor. This way u can add any no. of composite keys..
-Saji
-----Original Message-----
From: Albert Chow [mailto:[EMAIL PROTECTED]]
Sent: Sunday, July 30, 2000 9:51 PM
To: [EMAIL PROTECTED]
Subject: Composite primary key
Hi,
If my database table has a composite primary key (e.g. column A +
column
B), how do I specify it in my EJB and XML file?? Thanx in advance..
Albert
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