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Store a map in the properties of a pictogramelement [message #896271]

Tue, 17 July 2012 20:02

Patrick Rütz

Messages: 11
Registered: June 2012

Junior Member

Hi, I have to store a map in the properties of a pictogramelement. Because this map have to be persistent. But I only can store properties. Is there a way to store the map in or as a property?

Thanks a lot

Patrick

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Re: Store a map in the properties of a pictogramelement [message #896474 is a reply to message #896271]

Wed, 18 July 2012 13:26

Michael Wenz

Messages: 1931
Registered: July 2009
Location: Walldorf, Germany

Senior Member

Patrick,

properties can store any kind of String values; you could serialize your map
(rather its content) and store it that way.

Michael

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Re: Store a map in the properties of a pictogramelement [message #896502 is a reply to message #896474]

Wed, 18 July 2012 14:59

Patrick Rütz

Messages: 11
Registered: June 2012

Junior Member

Hi Michael,

i have tried to serialize it, but in this map is a freeformconnectionimpl and this object ist not serializable. Maybe you could helo me?

Thanks a lot.

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Re: Store a map in the properties of a pictogramelement [message #896543 is a reply to message #896502]

Wed, 18 July 2012 19:13

Erdal Karaca

Messages: 854
Registered: July 2009

Senior Member

Why do you want to serialize an EObject (FreeFormConnection) using java's serialization methods?

If the FreeFormConnection is part of your Diagram, then it will be serialized by graphiti.

If you really need to serialize EObjects manually, then you should have a look at EMF's serialization methods (dont confuse with java's serialization):

http://wiki.eclipse.org/EMF/FAQ#How_do_I_serialize_a_resource_to_a_String_instead_of_a_file.3F

Patrick Rütz wrote on Wed, 18 July 2012 10:59

Hi Michael,

i have tried to serialize it, but in this map is a freeformconnectionimpl and this object ist not serializable. Maybe you could helo me?

Thanks a lot.

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Re: Store a map in the properties of a pictogramelement [message #896588 is a reply to message #896543]

Thu, 19 July 2012 03:18

Patrick Rütz

Messages: 11
Registered: June 2012

Junior Member

Hi Erdal,

i have a map mit map<connection, List<Anchor>>, because I had a collapsefeature, but when I close the eclispe Plugin, the Map is set to null and uncollapse. So I have to made my map persistent.

Patrick

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Re: Store a map in the properties of a pictogramelement [message #896891 is a reply to message #896588]

Fri, 20 July 2012 10:22

Michael Wenz

Messages: 1931
Registered: July 2009
Location: Walldorf, Germany

Senior Member

Patrick,

I think it would be best not to store the connection directly in the
property, but instead to use a property like Name to identify a connection:
the property Name would be attached to the connection and the name value
could be used as the key in the map.

Michael

"Patrick Rütz" schrieb im Newsbeitrag news:ju7uab$9rj$1@xxxxxxxxe.org...

Hi Erdal,

i have a map mit map<connection, List<Anchor>>, because I had a
collapsefeature, but when I close the eclispe Plugin, the Map is set to
null and uncollapse. So I have to made my map persistent.

Patrick

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