Jumping to the Meta Level

Golm, Michael; Kleinöder, Jürgen

doi:10.1007/3-540-48443-4_3

Cited by 14 publications

(5 citation statements)

References 9 publications

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“…In case the semantics is modified, it will involve a customization of the runtime behavior of programs. For instance, MetaXa [23] is a Java extension that allows modifying the method dispatching mechanism at runtime. Meta-Object Protocols (MOPs) are a common way to implement this level of reflection (see Section 3).…”

Section: Metaprogramming and Reflectionmentioning

confidence: 99%

“…MetaXa, formerly called MetaJava, is an extension of the Java platform with a reflective meta-level architecture [23]. Structural and behavioral intercession is provided by means of a Meta-Object Protocols (MOP) [43].…”

Section: Metaprogramming Over the Standard Java Platformmentioning

confidence: 99%

“…MetaXa allows the adaptation of single objects, implementing a class versioning approach with shadow classes. A shadow class is a new particular type for the modified object [23].…”

Section: Metaprogramming Over the Standard Java Platformmentioning

confidence: 99%

See 2 more Smart Citations

Efficient runtime metaprogramming services for Java

Lagartos

Redondo

Ortín

2019

Journal of Systems and Software

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Section: Metaprogramming and Reflectionmentioning

confidence: 99%

Section: Metaprogramming Over the Standard Java Platformmentioning

confidence: 99%

See 1 more Smart Citation

Efficient runtime metaprogramming services for Java

Lagartos

Redondo

Ortín

2019

Journal of Systems and Software

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“…The metaXa system [Golm and Kleinöder 1999] focuses on performance of method interception in the context of an early JVM. While the JIT compiler optimized the transition from base to meta level, the system was very basic.…”

Section: Related Workmentioning

confidence: 99%

Zero-overhead metaprogramming: reflection and metaobject protocols fast and without compromises

2015

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Runtime metaprogramming enables many useful applications and is often a convenient solution to solve problems in a generic way, which makes it widely used in frameworks, middleware, and domain-specific languages. However, powerful metaobject protocols are rarely supported and even common concepts such as reflective method invocation or dynamic proxies are not optimized. Solutions proposed in literature either restrict the metaprogramming capabilities or require application or library developers to apply performance improving techniques.For overhead-free runtime metaprogramming, we demonstrate that dispatch chains, a generalized form of polymorphic inline caches common to self-optimizing interpreters, are a simple optimization at the language-implementation level. Our evaluation with self-optimizing interpreters shows that unrestricted metaobject protocols can be realized for the first time without runtime overhead, and that this optimization is applicable for just-in-time compilation of interpreters based on meta-tracing as well as partial evaluation. In this context, we also demonstrate that optimizing common reflective operations can lead to significant performance improvements for existing applications.

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“…RAWS Architecture is based on both a base level and a meta-level architecture, which has its origin in the systems based on Meta Object Protocols (MOPs) (Maes, 1987). There are various works related to MOPs and the dynamic modification of their semantics, such as Clossete (Kiczales, Des Rivières, & Bobrow, 1992), Cognac (Murata et al, 1994, Iguana (Gowing & Cahill, 1996), MetaXa (Golm & Kleinöder, 1998), Guanará (Oliva, García, & Buzato, 1998 or nitrO (Ortín & Cueva, 2001).…”

Section: Related Workmentioning

confidence: 99%

RAW Architecture

Parra-Fuente

Sanchez-Alonzo

Sanjuán-Martínez

et al. 2005

International Journal of Web Services Research

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Web services are static components, which implies that before a change in their structure or behavior can be made, the source code — or a decoder of compiled code — is needed. The full process consists of three steps: editing and modifying the source code, compiling it again, and redeploying it in the server. Reflection, a powerful tool for the adaptation of applications at runtime, may help in creating more flexible and dynamic Web services. In this paper, we introduce RAWS (Reflective and Adaptable Web Service) Architecture, a Web service design model based on a reflective architecture multilevel. RAWS allows both the dynamic modification of the definition and implementation structure of the Web service, and the dynamic modification of the Web service behavior in order to change the existing code or to add new functionalities. All these dynamic modifications are performed directly on the code during execution, with no need to have the Web service source code. We also introduce an automatic generator of the reflective infrastructure that is needed for the implementation of the RAWS architecture. This infrastructure will make possible that any Web service can automatically behave like a Reflective and Adaptable Web Service.

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Jumping to the Meta Level

Cited by 14 publications

References 9 publications

Efficient runtime metaprogramming services for Java

Efficient runtime metaprogramming services for Java

Zero-overhead metaprogramming: reflection and metaobject protocols fast and without compromises

RAW Architecture

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