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Re: [emf-dev] searching the object by id
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Martin,
Resource.getEObject() locates an object by URI fragment which can either be
a path or an ID. You can set ID's for objects using XMLResource.setID() or
you can set the isID attribute of a feature itself. This is all covered in
Chapter 13 of the EMF book.
You should ask this kind of question on the EMF newsgroup instead of here.
Actually, there have already been various discussions on the topic of IDs
there, which you should find helpful.
Frank.
Martin Zdila
<zdila@xxxxxxxx> To: emf-dev@xxxxxxxxxxx
Sent by: cc: l.fasianok@xxxxxxxxxxxxxxx
emf-dev-admin@ecl Subject: [emf-dev] searching the object by id
ipse.org
01/14/2004 05:49
AM
Please respond to
emf-dev
Hello
I am using EMF for serialization / deserialization of data holding
objects into / from a XML file.
Suppose, I have a XML file:
<project>
<someItem id='345' value='a' />
<someItem id='666' value='b' />
<someItem id='12' value='c' />
</project>
I am possile to get the correct SomeItem object:
Project project = (Project) resource.getContents().get(0);
Iterator iter = project.iterator();
while (iter.hasNext()) {
SomeItem item = (SomeItem) iter.next();
if (item.getId().equals("666")) {
System.out.println("Found: value = " + item.getValue());
break;
}
}
My answer is: it is possible to find value of that item if I know the
id directly - something like this?:
Project project = (Project) resource.getContents().get(0);
SomeItem item = project.getItemById("666");
...
I al looking for a method like getItemById - can EMF generate one for
me - if yes, then how can I achieve this?
Has an id some special meaning or is it jus a normal attribute? I am
expecting that the id attribute has to be unique, of course.
Or is there (somewhere) some another method which helps me in to find that
item?
--
Thanks in advance
Martin Zdila
Developer
EpiSoftware Slovakia Ltd.
Prazska 4, 040 11 Kosice
cellular: +421 908 363 848
phone: +421 55 643 9954
fax: +421 55 643 9954
mailto:m.zdila@xxxxxxxxxxxxxxx
http://www.episoftware.com
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