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Port of OptaPlanner on Android
David, Tomáš ; Rogalewicz, Adam (referee) ; Letko, Zdeněk (advisor)
This thesis deals with portation of the OptaPlanner tool to the Android operating system. The OptaPlanner is used for solving planning problems and it is completely written in the Java programming language which is also used for application development of the Android operating system. However, Android does not contain all of the Java Standard Edition Application Programming Interface libraries and porting of OptaPlanner to Android thus causes dependency problems. The result of the thesis is solution design and implementation of the problems mentioned above and model Android Vehicle Routing Problem application which uses ported OptaPlanner tool.
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Making CLIPS Available from Ruby
Čecho, Jaroslav ; Smrčka, Aleš (referee) ; Letko, Zdeněk (advisor)
This thesis describes a library called rbClips that makes CLIPS functionality available from Ruby. CLIPS is a public domain tool for building expert systems that was originally developed in NASA in 90's. The tool itself is written in C but its user interface is very similar to the Lisp language. Ruby is a modern dynamic scripting language that offers programmer flexible syntax, purely object environment, openness of objects and other interesting features. The library is ment to be used to build expert system for detection of a possibly malicious code in an antivirus software.
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Centralization of Java Security Policy Management
Kalina, Jan ; Rogalewicz, Adam (referee) ; Letko, Zdeněk (advisor)
WildFly is a platform for distributed environment which meets specification of Java Enterprise Edition. This thesis deals with possibilities of centralized management of security policies in this environment. Security policy is a set of permissions to which the Java virtual machine (JVM) limits possibilities of running applications. Just possibilities of security policy using was in WildFly so far heavily restricted. The result of the thesis are extensions of WildFly which add possibility of central deployment of security policies to individual servers, without need for restart that server, into program interface of WildFly and into WildFly management console. Part of result is also patch of core of WildFly, which solve problem of exchange security policy at runtime of JVM.
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Java Collections Performance Testing on Multicore Systems
Husar, Martin ; Müller, Petr (referee) ; Letko, Zdeněk (advisor)
This thesis deals with Java collections performance testing on multicore systems. The aim of the work is studying of core collections contained in Java Collection Framework and studying also some other collections from package java.util.concurrent and third-party project known as Javolution. The task was to suggest appropirate performance test for these collections and create based on its results a comparison. Afterwards the basic solution is an implementation of suggested tests in Java programming language and evaluation of achieved results.
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Restaurant Menu for Mobile Phones with Bluetooth
Dzurňák, Tomáš ; Letko, Zdeněk (referee) ; Novosad, Petr (advisor)
The goal of this thesis is to design and implement an application for a mobile phone and a desktop computer, which provides ability to browse a restaurant menu and to make orders. The desktop computer provides information from the restaurant menu and manages new orders. The desktop application is able to communicate with more mobile phones simultaneously. The communications between the mobile phone and the computer is realized with Bluetooh wireless technology. The user interface of the mobile application is designed user-friendly and available in plenty languages. There are suggestions for future development of this project in the end.
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Improve Support for RESTful Processing in JBossESB
Eliáš, Filip ; Kočí, Radek (referee) ; Letko, Zdeněk (advisor)
The goal of this work is to allow JBoss ESB to communicate with remote applications using REST. JBoss ESB is a platform that separates application logic from the process functions and enables communication between applications with different interfaces by sending messages. REST is an architecture that provides universal interface for communication between computer systems in the network. This work describes integration of REST communication architecture with JBoss ESB platform. The integration is divided into two parts. The input part accepts REST requests, propagates their content to the JBoss ESB and generates a response. The output part waits for the messages from JBoss ESB from which it creates the REST requests, sends them to the recipients and receives responses. The implementation puts emphasis on integration with the RESTEasy project. RESTEasy provides a framework that facilitates development of applications that support REST communication.
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Tests Code Coverage of JBoss Application Server
Žiaková, Nikoleta ; Smrčka, Aleš (referee) ; Letko, Zdeněk (advisor)
This thesis deals with tests code coverage of JBoss application server. To gather code coverage information, the tools Emma and Cobertura were used. The bachelor's thesis is divided into two main parts. The first of them acquaints reader with technologies used and prepares theoretical basis for the second part. The second part is practical and describes procedure for obtaining coverage information by chosen tools and its subsequent analysis. Results provide an overview of code coverage development during development of the applicaion server as well as a comparison of the used tools.
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Semiautomatic Book Generator from Web Content
Sysel, Vojtěch ; Novosad, Petr (referee) ; Letko, Zdeněk (advisor)
This bachelor's thesis deals with semiautomatic book generator from web content. The program input is the URL address and a file with a template. From the URL address the program downloads a website from which it finds an interesting part by means of template. This part is then converted into LaTeX. The program output is PDF, DVI or PostSkript file and LaTeX source code which can be used for further modifications of the document. The theoretical part of the thesis deals with description of particular technologies. The practical part describes particular problems with implementation and their solutions. Further, creation of new templates is described there. The last part contains testing and shows using the program on several model examples.
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Test Optimization by Search-Based Algorithms
Starigazda, Michal ; Holík, Lukáš (referee) ; Letko, Zdeněk (advisor)
Testing of multi-threaded programs is a demanding work due to the many possible thread interleavings one should examine. The noise injection technique helps to increase the number of tested thread interleavings by noise injection to suitable program locations. This work optimizes meta-heuristics search techniques in the testing of concurrent programs by utilizing deterministic heuristic in the application of genetic algorithms in a space of legal program locations suitable for the noise injection. In this work, several novel deterministic noise injection heuristics without dependency on the random number generator are proposed in contrary to the most of currently used heuristic. The elimination of the randomness should make the search process more informed and provide better, more optimal, solutions thanks to increased stability in the results provided by novel heuristics. Finally, a benchmark of programs, used for the evaluation of novel noise injection heuristics is presented.
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