JAVASPACES EXAMPLE BY EXAMPLE PDF

Lease write(Entry entry, Transaction txn, long lease) throws TransactionException, RemoteException; long NO_WAIT = 0;. JavaSpaces Example by Example. 4. This interface is implemented by servers that export a * JavaSpaces technology service. The operations in this interface * are the public methods that all such. JavaSpaces is a powerful Jini service that provides a high-level tool for creating . For example, a distribute algorithm might require processes to work in lock.

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Piecing Together the Results. JavaSpaces Example by Example offers an example-rich introduction to JavaSpaces architecture and its Jini network technology-based interfaces. Extensive code examples illustrate: Register your product to gain access to bonus material or receive a coupon. Halter provides in-depth coverage of scalability and availability, concluding with detailed guidance on using security features based on Java 2 technology to protect distributed JavaSpaces applications.

The application presents a small ordering processing system.

A working knowledge of Java is needed, and an acquaintance with Jini concepts is very useful, but not required. This chapter is intended to establish familiarity and building blocks for these topics.

Setting up policy files and using some simple protocols to aid in application level security are discussed. To compile the classes ecample the synchronization example in Windows, use the following. Next, he introduces the fundamental concepts of development, including entries, leasing, events, transactions, and persistence. Core Technologies, 2nd Edition. A Parallel Computing Framework. Chapter 10, “Wrapping It up” ties up any loose ends.

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This book should provide a solid base with a coherent set of examples to lead people in the right directions for using JavaSpaces technology. Parallel Computing in General. A Prime Number Counter Application. The intended audience is for intermediate to advanced programmers wanting to learn ezample JavaSpaces. In particular, it uses the concept of a linked list to explore some of the differences between distributed and nondistributed data structures.

JavaSpaces Example by Example

Distributed programming is different than programming within a single machine process. Chapter 8, “Parallel Computing,” looks into some of the areas where you can get into performance trouble and also some of the ways in which JavaSpaces can be an aid to performance.

You’ll learn powerful distributed programming techniques, including the effective use of data structures and collections; and better ways to improve performance, prevent deadlock, and take full advantage of parallelism.

The hands-on, example-rich guide to JavaSpaces technology Building robust, scalable, high-performance distributed applications Up-to-the-minute coverage based on Jini 1.

Obtaining and Installing JavaSpaces.

JavaSpaces Example by Example | InformIT

Although an experienced Jini developer may skip this chapter, for beginners, this should be extremely valuable. This chapter takes you through the process of installing Jini and JavaSpaces and running a simple application.

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JavaSpaces also provides the ability to create and store objects with persistence. Distributed Events and JavaSpaces.

This chapter covers some of the concepts involved with programming in a distributed environment. Transactions and JavaSpace Methods. Using Transactions with JavaSpaces. JavaSpaces technology simplifies distributed computing, by providing a shared virtual space where tasks, requests, and information can easily be exchanged in the form of objects based on Javatm technology. Chapter 6, “Preventing Deadlock,” discusses mechanisms for allowing processes to avoid deadlock.

Add To My Wish List. Starting with the GUI. Later chapters make greater use of these. There are a number of ways to improve or degrade the performance of a distributed application.

It covers a simple method of locating a single JavaSpace. In Chapter 5, “Encouraging Distribution,” you start to explore programming in a distributed environment. This chapter shows you how some of the security features of Java can be currently used with JavaSpaces.

Useful Places for Information. This will be used to illustrate the concepts of sharing data in a fair and reliable manner. In it, you also briefly encounter some of the ways JavaSpaces are being used and might be used. Table of Contents Preface.