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MOF can be viewed as a standard to write metamodels, for example in order to model the abstract syntax of Domain Specific Languages.
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MOF and can
MOF and be
While ITIL deliberately aims to be platform-agnostic, MOF is designed by Microsoft to provide a common management framework for its products.
In short MOF uses the notion of MOF :: Classes ( not to be confused with UML :: Classes ), as known from object orientation, to define concepts ( model elements ) on a metalayer.
MOF may be used to define object-oriented metamodels ( as UML for example ) as well as non object-oriented metamodels ( as a Petri net or a Web Service metamodel ).
Kermeta is an extension to MOF allowing executable actions to be attached to EMOF meta-models, hence making it possible to also model a DSL operational semantics and readily obtain an interpreter for it.
OMG's MOF is not to be confused with the Managed Object Format ( MOF ) defined by the Distributed Management Task Force ( DMTF ) in section 6 of the Common Information Model ( CIM ) Infrastructure Specification, version 2. 5. 0.
OCL may now be used with any Meta-Object Facility ( MOF ) Object Management Group ( OMG ) meta-model, including UML.
The Object Constraint Language is a precise text language that provides constraint and object query expressions on any MOF model or meta-model that cannot otherwise be expressed by diagrammatic notation.
MOF and standard
The Meta-Object Facility ( MOF ) is an Object Management Group ( OMG ) standard for model-driven engineering.
A supporting standard of MOF is XMI, which defines an XML-based exchange format for models on the M3 -, M2 -, or M1-Layer.
* Meta-Object Facility ( MOF ), a different standard for the Unified Modeling Language ( UML ) of the Object Management Group ( OMG )
MOF and write
This approach is based on the utilization of a language to write metamodels called the Meta Object Facility or MOF.
MOF and metamodels
Beyond the M3-model, MOF describes the means to create and manipulate models and metamodels by defining CORBA interfaces that describe those operations.
Because of the similarities between the MOF M3-model and UML structure models, MOF metamodels are usually modeled as UML class diagrams.
For defining metamodels, MOF plays exactly the role that EBNF plays for defining programming language grammars.
MOF is a Domain Specific Language ( DSL ) used to define metamodels, just as EBNF is a DSL for defining grammars.
One of the characteristics of MDA tools is that they mainly take models ( e. g. MOF models or metamodels ) as input and generate models as output.
MOF and for
These together provide the foundation for Model Driven Architecture ( MDA ), and related set of standards, building upon the success of UML and MOF.
In particular, it attempts to provide a mechanism for facilitating the exchange of any arbitrary modeling language defined by the OMG's Meta-Object Facility ( MOF ).
Given the maximum observed frequency ( MOF ) for a mode on each day of the month at a given hour, the MUF is the highest frequency for which an ionospheric communications path is predicted on 50 % of the days of the month.
MOF organizes IT activities and processes into Service Management Functions ( SMFs ) which provide operational guidance for capabilities within the service management environment.
MOF and example
The most prominent example of a Layer 2 MOF model is the UML metamodel, the model that describes the UML itself.
MOF and model
MOF allows a strict meta-modeling architecture ; every model element on every layer is strictly in correspondence with a model element of the layer above.
The MDA model is related to multiple standards, including the Unified Modeling Language ( UML ), the Meta-Object Facility ( MOF ), XML Metadata Interchange ( XMI ), Enterprise Distributed Object Computing ( EDOC ), the Software Process Engineering Metamodel ( SPEM ), and the Common Warehouse Metamodel ( CWM ).
The MOF is a metamodel ( a model of any kind of metadata ) used notably to define the Unified Modeling Language ( or UML ).
MOF and abstract
MOF and syntax
The MOF format is a specific syntax to define CIM class representation in an ASCII file ( e. g. MIB are to SNMP what MOF files are to CIM ).
MOF and .
Image: Blair MOF. jpg | Former United Kingdom Prime Minister Tony Blair receiving the Presidential Medal of Freedom from President George W. Bush on January 13, 2009
Image: Howard MOF. jpg | Former Prime Minister of Australia John Howard receiving the Medal from George W. Bush on January 13, 2009
The transaction gave MOF Inc a 70 % stake and Cyberview has remained a government-owned company ever since.
MOF originated in the Unified Modeling Language ( UML ); the OMG was in need of a metamodeling architecture to define the UML.
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