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Questions tagged [metamodel]

Metamodel is a collection of concepts (frames, rules, terms, constraints, models and theories) that are applicable and useful for modeling a predefined class of problems.

A model is an abstraction of phenomena in the real world; a metamodel is yet another abstraction, highlighting properties of the model itself. A model conforms to its metamodel in the way that a computer program conforms to the grammar of the programming language in which it is written.

Metamodeling, or meta-modeling in software engineering and systems engineering among other disciplines, is the analysis, construction and development of the frames, rules, constraints, models and theories applicable and useful for modeling a predefined class of problems.

Metamodeling is usually defines of a collection of concepts within a certain domain.

cf. wikipedia

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Acceleo: using custom UML Profile as metamodal, and its stereotypes in templates?

I'm new to Acceleo. I use IBM RSA (8.5.1). I created a custom UML Profile (with a few stereotypes extending default metaclasses, it's pretty usual). The UML profile is a .epx file. In addition, I created a simple model on which I applied my custom…
Markov
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Dynamic Data with multiple Entity Framework models

I am using Dynamic Data with Entity framework models. If I use this with 1 EF model, then this works like a charm. But now I need to use multiple EF models in my Dynamic Data Project and I'm receiving errors during the registration process. Code: …
tom.amourette
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Binding rules for instantiating default XML content to an XSD

Consider the following XSD fragment: …
Axel F 1980
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Handling meta of class (reference to properties)

I am trying to set up a small metamodel in order to reference some properties on multiple classes. Example: Using the classes below, I'd like to store only Person.name and Person.surname in MetaManager.config. The problem is, I don't want to store…
Menno
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Hibernate Entity Export

My task is to export a database via hibernate. The starting point is any entity in my model. The selected entity has to navigate through all its referenced objects and store it in my target model (which is the same as the source model). Do you have…
Jonas
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how to access to subproperties with jpa metamodel in where clause

I have a two entities with relation between they are. public class Client implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue private Integer id; @NotNull @Size(min = 3, max = 25) private String…
Pasha
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Custom Ad-hoc reporting architecture

I will describe the goal I'm trying to accomplish and any architectural and technical suggestions on how to design a solution are appreciated. I'm working on an app that needs to allow end users to create ad-hoc reports from a limited set of data.…
makcro
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How can I solve this error when I´m writing a model based on a previous metamodel using xText?

I have written this metamodel in a xText project: Screen: "Screen name: " name = ID "Level: " level = STRING "End: " end = INT background = [Background] character = [Character] (enemies+=Enemy)* …
Barbara PM
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Meta-Modeling Neo4J Database

What is the best way to meta model my Neo4j Nodes and Relationships. I need this because I will only know what object/node will be created during runtime. Here is some explanation of what I'm trying to do: Trying to store information about the nodes…
Maksim
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Validate that ecore-model is compliant with metamodel

What is the easieset way to see that an ecore-model is the model of a metamodel. I'm not interested in OCL, just that the model is a concrete model derived from the metamodel. I want to do this using Sphinx or any other API in eclipse
Viktor Mellgren
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Hibernate ORM to map to non-classes

I'm building the storage subsystem for an application platform. The metamodel will be dynamic (changeable at runtime). I have a metamodel to represent the model structure (complete with pseudo-classes with properties, relationships, hierarchy,…
koehn
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putting an xls file in a jar

I have an xls spreadsheet that I'm querying using metaModel, and I want to keep the xls file in the jar, because it won't be updated. The method used for creating the data context doesn't allow inputstreams, I tried using this code: DataContext…
Mukhi
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How to get tool-readable XMI with Atlas Transformation Language

I'm a beginner with Atlas Transformation Language and have already made some steps with transforming models based on severeal meta-models. Now I want to transform a specified model based on metamodel1 to a uml-model based on the uml-metamodel. The…
martin
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Is it possible to use the generated ecore model as an external library?

I modeled the metamodel using the ecore tool and generated the Java classes. I would like to use it in my other application as a model library, using a .jar. I tried it, but I got an exception [AppClassLoader@2f333739] error can't find fields of…
Tijana Lalošević
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Model and Meta-model using UML

Please, I need to learn how to find the meta-model of any UML model (find the meta-model of class, sequence, use case, component ... diagrams) Cordially.
abdessamadsaidi
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