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Applications of Enhanced Dynamic Code Evolution for Java in GUI Development and Dynamic Aspect-Oriented programming

ACM SIGPLAN NOTICES 2011年第2期46卷 123-126页

作者： Wuerthinger, thomas Binder, Walter Ansaloni, Danilo Moret, Philippe Moessenboeck, Hanspeter Johannes Kepler Univ Linz Linz Austria Univ Lugano Lugano Switzerland

While dynamic code evolution in object-oriented systems is an important feature supported by dynamic languages, there is currently only limited support for dynamic code evolution in high-performance, state-of-the-art runtime systems for statically typed languages, such as the Java Virtual Machine. In this tool demonstration, we present the Dynamic Code Evolution VM, which is based on a recent version of Oracle's state-of-the-art Java HotSpot (TM) VM and allows unlimited changes to loaded classes at runtime. Based on the Dynamic Code Evolution VM, we developed an enhanced version of the Mantisse GUI builder (which is part of the NetBeans IDE) that allows adding GUI components without restarting the application under development. Furthermore, we redesigned the dynamic AOP framework HotWave to take advantage of the enhanced dynamic code evolution capabilities. the new version, HotWave2, now supports most AspectJ constructs, including around() advice and static cross-cutting. We will demonstrate both the enhanced Mantisse GUI builder as well as HotWave2, weaving several aspects for dynamic analysis in sizable applications at runtime.

关键词： Algorithms Languages Dynamic aspect-oriented programming runtime weaving dynamic code evolution dynamic software updates code hotswapping Java Virtual Machine

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Fundamentalist functional programming 08

Fundamentalist functional programming

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Proceedings of the 7th international conference on generative programming and component engineering

作者： Erik Meijer Microsoft Research Redmond WA USA

ISBN: (纸本)9781605582672

In 1984, John Hughes wrote a seminal paper titled, "Why Functional programming Matters," in which he eloquently explained the value of pure and lazy functional programming. Due to the increasing importance of the Web and the introduction of many-core machines, in the quarter of a century since the paper was written, the problems associated with imperative languages and their side effects have become increasingly evident. this talk argues that fundamentalist functional programming-that is, radically eliminating all side effects from programming languages, including strict evaluation-is what it takes to conquer the concurrency and parallelism dragon. Programmers must embrace pure, lazy functional programming "all the way"-with all effects apparent in the type system of the host language using monads. A radical paradigm shift is the answer, but does that mean that all current programmers will be lost along the way? Fortunately not! By design, LINQ is based on monadic principles, and the success of LINQ proves that the world does not fear the monads.

关键词： pure functional programming monads lazy evaluation linq concurrency

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A generative programming framework for adaptive middleware

A generative programming framework for adaptive middleware

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Annual Hawaii international conference on System Sciences (HICSS)

作者： V. Subramonian C. Gill Department of Computer Science and Engineering Washington University Saint Louis MO USA

component middleware technologies such as the CORBA component model (CCM), J2EE (Alur et al., 2001), and .NET, were developed to address many limitations like interdependencies between services and object interfaces, limited re-use, of first-generation middleware technologies such as CORBA 2.x, XML, and SOAP (Snell and McLeod, 2001). these component technologies have addressed a wide range of application domains, but unfortunately for distributed real-time and embedded (DRE) systems, the focus of these technologies has been primarily on functional and not quality of service (QoS) properties. Research on QoS-aware component models such as the CIAO project (Wang et al. 2003) shows that there is a fundamental difference between configuration of functional and QoS properties even within such a unified component model: the dominant decomposition of functional properties is essentially object-oriented, while the dominant decomposition of QoS properties is essentially aspect-oriented. In this paper, we describe how a focus on aspect frameworks for configuring QoS properties both complements and extends QoS-aware component models. this paper makes three main contributions to the state of the art in DRE systems middleware. First, it describes a simple but representative problem for configuring QoS aspects that cut across architectural layers, system and distribution boundaries, which motivates our focus on aspect frameworks. Second, it provides a formalization of that problem using first order logic nfrastructure configuration logic - which both guides the design of aspect configuration infrastructure, and offers a way to connect these techniques with model-integrated computing (Ledeczi et al. 2001) approaches to further reduce the programming burden on DRE system developers. third, it describes alternative mechanisms to ensure correct configuration of the aspects involved, and notes the phases of the DRE system lifecycle at which each such configuration mechanism is most ap

关键词： Middleware Quality of service Object oriented modeling Logic programming Real time systems Logic design Computer science XML Simple object access protocol Contracts

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Network Coding Based Efficient Topology Construction and Flow Allocation Method for Satellite Networks 5th

Network Coding Based Efficient Topology Construction and Fl...

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5th EAI international conference on 6G for Future Wireless Networks, 6GN 2022

作者： Wang, Ruisong Kang, Wenjing Fang, Shengliang Ma, Ruofei School of Information Science and Engineering Harbin Institute of Technology Weihai264209 China School of Space Information Space Engineering University Beijing101416 China

ISBN: (纸本)9783031360107

As a key component of the sixth generation (6G) communication network, satellite network has attracted extensive attention due to its advantages of wide coverage and high capacity. However, the current limited resources are difficult to meet the growing data requirements. therefore, this paper considers a multicast satellite network and uses network coding technology to improve the resource utilization of inter satellite links. Furthermore, we are committed to optimizing network topology and coding flow allocation to improve network capacity. the proposed optimization problem is formulated as an integer linear programming problem, which is difficult to solve. In order to improve computing efficiency, we propose a heuristic topology construction and flow allocation method. the flow allocation problem is equivalent to the maximum flow problem of multiple source-to-destination pairs for a given network topology. Based on this, the topology construction method is given by iteratively deleting the links that have the least impact on the overall performance. Finally, the simulation results indicate that the proposed method can significantly improve the network capacity compared with the traditional methods. © 2023, ICST Institute for Computer Sciences, Social Informatics and Telecommunications engineering.

关键词： Network coding

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Application to Enhance the programming Knowledge of Children

Application to Enhance the Programming Knowledge of Children

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Advancements in Computing (ICAC), international conference on

作者： Anuga Dissanayake Vishwa Lakpriya Mahendran Sanjeevan Ahamed Fahmi Samanthi E.R. Siriwardana Mihiri Samaraweera Dept. of Computer Science and Software Engineering Sri Lanka Institute of Information Technology Malabe Sri Lanka Dept. of Information Technology Sri Lanka Institute of Information Technology Malabe Sri Lanka

ISBN: (数字)9798331517878

ISBN: (纸本)9798331517885

this proposal outlines the development of a comprehensive educational platform aimed at bridging the Information Technology knowledge gap among Tamil-speaking students in Sri Lanka. the platform is designed to enhance programming skills through personalized quizzes, hands-on projects, and adaptive learning models. the application focuses on two primary components: the first component emphasizes project-based learning and assessments, leveraging advanced Artificial Intelligence models for generating educational content. this model is combined with Retrieval-Augmented Generation, which retrieves relevant external information to refine and tailor the educational content to each student's needs. this component keeps students engaged and challenged at appropriate levels, promoting deeper understanding and practical Information Technology skills. the second component involves a Level-based IT Fundamental Knowledge Evaluation system, which incorporates machine learning algorithms to predict student performance, recommend customized learning paths, and assess overall technical knowledge. the platform also integrates the OpenAI Application programming Interface, which provides real-time Tamil translation, making the content more accessible to the target demographic. the platform empowers educators to better address individual student needs with real-time feedback and tailored experiences. Its innovative approach enhances Information Technology education, equipping Sri Lankan students with essential programming skills to succeed globally.

关键词： Adaptation models Translation Machine learning algorithms Computational modeling Retrieval augmented generation Learning (artificial intelligence) Real-time systems Proposals Information technology programming profession

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the co-evolution of a hype and a software architecture: experience of component-producing large-scale EJB early adopters

The co-evolution of a hype and a software architecture: expe...

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international conference on Software engineering (ICSE)

作者： L. Prechelt D.J. Hutzel AbaXX Technology AG Stuttgart Germany

abaXX. components was one of the first AN software products fully based on Enterprise JavaBeans/spl trade/ (EJB) technology. We describe the evolution of its architecture as it moved from simply taking the initial EJB hype for the truth, through several intermediate stages, to using EJB simply as one of several encapsulated implementation techniques. So far, the public perception of how to use EJB properly evolved along a similar path, lagging 6 to 12 months behind.

关键词： Software architecture Large-scale systems Java Application software Resource management Containers Computer architecture Automatic programming Functional programming Companies

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Power-Efficient and Predictable Data Centers with Sliding Scheduled Tenant Requests

Power-Efficient and Predictable Data Centers with Sliding Sc...

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IEEE international conference on Cloud Computing Technology and Science (CloudCom)

作者： Aissan Dalvandi Mohan Gurusamy Kee Chaing Chua Department of Electrical and Computer Engineering National University of Singapore Singapore

Power efficiency and predictable performance have become major concerns for cloud service providers as they significantly affect cloud adoption and tenancy cost. Providing guaranteed resources for predictable performance in data centers drives the need for a request model which abstracts the traffic characteristics as well as the resource requirements of tenant applications. In this paper, we propose a novel Sliding Scheduled Tenant (SST) request model which enables tenants to request their resources for an estimated required time duration which can slide within a certain time-window. We investigate the power-efficient resource-guaranteed Virtual Machine (VM) -placement and routing problem for dynamically arriving SST requests. the problem requires provisioning of the specified resources in a data center for the required duration of requests by choosing an appropriate start- and end-time within their specified time-window, so as to maximize the number of accepted requests while consuming as low power as possible. We develop a mixed integer linear programming (MILP) optimization problem formulation based on the multi-component utilization-based power model. Since this problem which is a combination of VMplacement, scheduling and routing problems, is computationally rohibitive, we develop a fast and scalable heuristic algorithm. We demonstrate the effectiveness of the proposed algorithm and SST request model in terms of power saving and acceptance ratio through comprehensive simulation results.

关键词： Servers Bandwidth Routing Power demand Biological system modeling Data models Optimization

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Optimizing Multi-Vehicle Charging Infrastructure and Routing Using Mixed-Integer programming and Pareto Ranking-Based Genetic Algorithms

Optimizing Multi-Vehicle Charging Infrastructure and Routing...

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IEEE international conference on Power, Intelligent Computing and Systems (ICPICS)

作者： Qiheng Xu Automotive Engineering Chang'an University Xi'an China

ISBN: (数字)9798350374315

ISBN: (纸本)9798350374322

this research addresses the optimization of routes and the selection of locations for multiple electric logistics vehicle charging stations. Electric logistics vehicles, as a key component of new energy vehicles, offer significant environmental benefits such as zero emissions and high energy efficiency, making them ideal for urban logistics. However, efficient operation depends on the strategic placement of charging stations and effective route planning. this research introduces a mixed-integer programming model incorporating multi-vehicle configuration and genetic algorithms to solve the charging station location and path optimization problems. the model aims to minimize transportation costs, charging costs, time window penalties, environmental costs, and charging station construction costs. By factoring in battery capacity and time window constraints, the model ensures vehicles complete delivery tasks efficiently. the proposed Pareto ranking-based GA shows robust performance in generating high-quality solutions, as demonstrated by small, medium and large-scale examples. Sensitivity analysis confirms the model's practicality and reliability, showing the total delivery cost stabilizes as battery capacity increases. this study contributes to enhancing the operational efficiency and adoption of electric logistics vehicles through optimized charging infrastructure and route planning.

关键词： Costs Transportation Charging stations programming Windows Planning Batteries Optimization Logistics Genetic algorithms

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Design of the Software Framework of Reconfigurable Communication Interface Test System Based on Zedboard

Design of The Software Framework of Reconfigurable Communica...

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2015 6th IEEE international conference on Software engineering and Service Science(ICSESS 2015)

作者： Yang Yuan Yuehui Tan Huixian Sun Department of Information Engineering Ordnance Engineering College

At present, most of communication interface testing systems are developed only for a manufacturer’s specific equipment and interface, with the low reuse rate of software and hardware, and the high cost of maintenance. In view of the above question, the latest high performance fully programming Zedboard is chosen as hardware platform, the custom middleware and core framework meeting the needs of communication interface reconfigurable test are designed with the in-depth research of the technology of the miniaturization of SCA, and the external interface abstraction of hardware platform and component containers of FPGA applications are designed by combining with the advantages of MHAL and OCP interface. Finally, the software framework of reconfigurable communication interface test system based on Zedboard is designed. Users could achieve reconfigurable testing of multiple communication interfaces only by changing the application components and system configuration, which could enhance the universality and flexibility of the system, improve the reusability of software and hardware of the test system, and reduce the costs of interface testing system development and maintenance.

关键词： the miniaturization of SCA Zedboard the test of communication interface MHAL OCP interface

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Solving the Dependency Conflict of Java components: A Comparative Empirical Analysis

Solving the Dependency Conflict of Java Components: A Compar...

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IEEE international conference on Big Data Security on Cloud (BigDataSecurity), High Performance and Smart Computing (HPSC) and Intelligent Data and Security (IDS)

作者： Yongzhi Wang Chengli Xing Jinan Sun Shikun Zhang Sisi Xuanyuan Long Zhang National Engineering Research Center For Software Engineering Peking University Beijing China SiChuan Tianfu Bank Co. Ltd. Nanchong China Department of Science & Technology Shandong Province Ji’nan China Shandong Antlinker Network Technology Co. Ltd. Ji’nan China

ISBN: (数字)9781728168739

ISBN: (纸本)9781728168746

Java components' reference to the complex dependencies brought by third-party libraries may cause multiple versions of the libraries to exist. When this happens, the JVM will only load one of these versions, which may cause a runtime exception. In many cases, it is difficult to troubleshoot exactly what is going wrong, and sometimes it takes a lot of trouble to solve such problems, even for people with rich experience. this article discusses several common methods for resolving dependency conflicts, explains their principles, summarizes their advantages and disadvantages, and puts forward comments for empirical solution.

关键词： software component dependency conflict third party library Java Java programming language Libraries Conflict (Psychology) Java Virtual Machine (JVM) DEPENDENCE wealth, wealthy

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