Entity Proxies
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Java EE 6 and Scala » Source Allies Blog - 0 views
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Last weekend while pondering the question "Is Scala ready for the enterprise?" I decided to write a simple Java EE 6 app entirely in Scala, without using any Java. I had three main reasons for doing this: one was just to see how easy/difficult it would be to write everything in Scala (it was easy). Another was to document the process for others journeying down the same road (the entire project is on github). Finally, I wanted to identify advantages of using Scala instead of Java that are specific to Java EE apps (I found several). Background The specific app I created was an adaptation of the Books example from Chapter 10 of Beginning Java™ EE 6 Platform with GlassFish™ 3. It's a simple web app that displays a list of books in a database and lets you add new books. Although it's a pretty trivial app, it does touch on several important Java EE 6 technologies: JPA 2.0, EJB 3.1 and JSF 2.0.
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XStream - a simple library to serialize objects to XML and back again. - 0 views
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XStream is a simple library to serialize objects to XML and back again. Features Ease of use. A high level facade is supplied that simplifies common use cases. No mappings required. Most objects can be serialized without need for specifying mappings. Performance. Speed and low memory footprint are a crucial part of the design, making it suitable for large object graphs or systems with high message throughput. Clean XML. No information is duplicated that can be obtained via reflection. This results in XML that is easier to read for humans and more compact than native Java serialization. Requires no modifications to objects. Serializes internal fields, including private and final. Supports non-public and inner classes. Classes are not required to have default constructor. Full object graph support. Duplicate references encountered in the object-model will be maintained. Supports circular references. Integrates with other XML APIs. By implementing an interface, XStream can serialize directly to/from any tree structure (not just XML). Customizable conversion strategies. Strategies can be registered allowing customization of how particular types are represented as XML. Error messages. When an exception occurs due to malformed XML, detailed diagnostics are provided to help isolate and fix the problem. Alternative output format. The modular design allows other output formats. XStream ships currently with JSON support and morphing.
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Getting Started with RequestFactory - Google Web Toolkit - Google Code - 0 views
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BigDecimal, BigInteger, Boolean, Byte, Enum, Character, Date, Double, Float, Integer, Long, Short, String, Void
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Methods that return a Request object in the client interface are implemented as static methods on the entity
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backing store (JDO, JPA, etc.) is responsible for updating the version each time the object is persisted,
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On the client side, RequestFactory keeps track of objects that have been modified and sends only changes
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automatically populates bean-style properties between entities on the server and the corresponding EntityProxy on the client,
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It is not necessary to represent every property and method from the server-side entity in the EntityProxy
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Apache CXF -- Index - 0 views
cxf.apache.org
java opensource framework apache cxf webservice webservices SOA soap axis axis2 xml web
shared by Hendy Irawan on 26 Dec 10
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Apache CXF is an open source services framework. CXF helps you build and develop services using frontend programming APIs, like JAX-WS and JAX-RS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS or JBI. CXF includes a broad feature set, but it is primarily focused on the following areas: Web Services Standards Support: CXF supports a variety of web service standards including SOAP, the WS-I Basic Profile, WSDL, WS-Addressing, WS-Policy, WS-ReliableMessaging, WS-Security, WS-SecurityPolicy, WS-SecureConverstation, and WS-Trust (partial). Frontends: CXF supports a variety of "frontend" programming models. CXF implements the JAX-WS APIs (TCK compliant). CXF JAX-WS support includes some extensions to the standard that make it significantly easier to use, compared to the reference implementation: It will automatically generate code for request and response bean classes, and does not require a WSDL for simple cases. It also includes a "simple frontend" which allows creation of clients and endpoints without annotations. CXF supports both contract first development with WSDL and code first development starting from Java. For REST, CXF also supports a JAX-RS (TCK compliant) frontend. Ease of use: CXF is designed to be intuitive and easy to use. There are simple APIs to quickly build code-first services, Maven plug-ins to make tooling integration easy, JAX-WS API support, Spring 2.x XML support to make configuration a snap, and much more. Binary and Legacy Protocol Support: CXF has been designed to provide a pluggable architecture that supports not only XML but also non-XML type bindings, such as JSON and CORBA, in combination with any type of transport. To get started using CXF, check out the downloads, the user's guide, or the mailing lists to get more information!
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Discussion on eclipse-repository packaging type clean-up - Tycho - Confluence - 0 views
docs.sonatype.org/...sitory+packaging+type+clean-up
eclipse repository p2 build tycho maven plugin pde rcp update-site
shared by Hendy Irawan on 29 Apr 11
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The packaging type eclipse-repository was originally introduced for building products that can be updated with p2 (cf. TYCHO-188). This requires the following build results: a p2 repository which contains the product IU, and a zip file with the installed product. (Although this is technically no longer needed since the Update Manager was replaced by p2, zip files are still the primary way to distribute Eclipse/RCP installations.) For ease of implementation, this was done in the same packaging type eclipse-repository. In the meantime, eclipse-repository has gained in capabilities (in particular through TYCHO-491), making it difficult for users to choose the right packaging types. This page lays out the mid-term plan of how we want to build products, update site categories, and p2 repositories in Tycho. It also contains a few details how the transition todays (0.11.0) packaging types (eclipse-repository, eclipse-application, eclipse-update-site) to the new types eclipse-repository and eclipse-product.
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smart-util - Utility tools for wide usage - Google Project Hosting - 0 views
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This project will mainly contain utility stuff for diverse purpose. Initially it will primarily comprise of Spring Utilities which will perform the following purposes: Load a single resource properties file from pre-configured locations with priority based override. Application context registrar to make the context available to other interested components. Use Cacheable Jersey Client Use a generic RESTful WS Client OpenSearchDescriptor JAX-RS Provider based on XOM based DOM I/O Useful utilities for Atom Syndication Feed, such as pagination over entities, retrieval of resource to certain depth, etc.
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eik - Eclipse Integration for Apache Karaf runtimes - Google Project Hosting - 0 views
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Eclipse Integration for Karaf is the integration of the Apache Karaf application platform and the Eclipse IDE. Notable features include: An Eclipse Run/Debug launcher configuration that configures Karaf to run inside the workbench transparently to the developer Automatic deployment of workspace plugin projects to running Karaf instances without copying files A Target Platform Definition that allows developers to target only the bundles found in Karaf distributions A Target Platform Provisioner that automatically constructs a target platform from any Karaf distribution on the user's local disk JMX instrumentation of the Running/Debugging Karaf instance. Eclipse views that display the Bundle and Service status of Karaf instances Experimental features: Web Tools Platform integration including: Karaf server runtime with associated classpath maintenance Karaf runtime locator that scans local disks for compatible Karaf distributions Install from the EIK Update Site
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EasyMock - Mock Objects for interfaces & objects by generating them on the fly using Ja... - 10 views
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"EasyMock provides Mock Objects for interfaces (and objects through the class extension) by generating them on the fly using Java's proxy mechanism. Due to EasyMock's unique style of recording expectations, most refactorings will not affect the Mock Objects. So EasyMock is a perfect fit for Test-Driven Development. EasyMock is open source software available under the terms of the Apache 2.0 license. Development, downloads and issue tracking are hosted on SourceForge. "
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Maven Archiver Plugin JAR WAR Manifest - Reference - 0 views
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Tutorial: Implementing a Servlet Filter for JSONP callback with Spring's DelegatingFilt... - 0 views
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Alloy UI framework - A project of Liferay - 0 views
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"Alloy is a UI metaframework that provides a consistent and simple API for building web applications across all three levels of the browser: structure, style and behavior. HTML HTML5 Reusable markup patterns Modular CSS CSS3 Built upon progressive enhancement Framework for layout, forms and state interaction JavaScript Built on top of YUI3 Small core file size (9kb) AutoComplete, Dialogs, Panels, Tabs, TreeView & more"
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Learn Java | Control statements - Selection statements - 0 views
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Java supports two selection statements - if and switch. These statements allow us to control the flow of the program. Depending upon the expressions or values, the corresponding blocks/statements of code will be executed or by passed. The two statements are if statement is a conditional branch statement. This is a two way branch statement. Depending upon the whether a condition is true or false, the corresponding code is executed. switch statement is a multiway branch statement. Depending upon the value used for switching, the corresponding code is executed. These two statements are very powerful and are used widely across any application. They provide effective solutions for branching problems.
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Overview (Java Platform SE 6) - 0 views
download.oracle.com/...index.html
java platform java.util.concurrent.atomic concurrent AutomicInteger
shared by Rinav G on 17 Sep 10
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Package java.util.concurrent.atomic A small toolkit of classes that support lock-free thread-safe programming on single variables.
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A small toolkit of classes that support lock-free thread-safe programming on single variables. In essence, the classes in this package extend the notion of volatile values, fields, and array elements to those that also provide an atomic conditional update operation of the form: boolean compareAndSet(expectedValue, updateValue);
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Atomic classes are not general purpose replacements for java.lang.Integer and related classes. They do not define methods such as hashCode and compareTo. (Because atomic variables are expected to be mutated, they are poor choices for hash table keys.)
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The specifications of these methods enable implementations to employ efficient machine-level atomic instructions that are available on contemporary processors.
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java.util.concurrent.atomic Class AtomicInteger java.lang.Object java.lang.Number java.util.concurrent.atomic.AtomicInteger
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An int value that may be updated atomically. See the java.util.concurrent.atomic package specification for description of the properties of atomic variables. An AtomicInteger is used in applications such as atomically incremented counters, and cannot be used as a replacement for an Integer. However, this class does extend Number to allow uniform access by tools and utilities that deal with numerically-based classes.
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int incrementAndGet() Atomically increments by one the current value.
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Package java.util.concurrent.atomic Description A small toolkit of classes that support lock-free thread-safe programming on single variables. In essence, the classes in this package extend the notion of volatile values, fields, and array elements to those that also provide an atomic conditional update operation of the form: boolean compareAndSet(expectedValue, updateValue);
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Comparing Vaadin with Icefaces - Wiki - vaadin.com - 0 views
vaadin.com/...ing%20Vaadin%20with%20Icefaces
vaadin development java ria web icefaces jsf javaee comparing
shared by Hendy Irawan on 14 Oct 10
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Icefaces is an open source Ajax framework for developing RIA for the web. The applications are structured the same way as JSF applications, but with added Ajax features. In this article there will be a short description of the biggest differences between the IT Mill Toolkit 5.2.0 and Icefaces 1.6.2 based development of RIAs.
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Welcome to Migrate4j - 0 views
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migrate4j is a database migration tool. Suppose you determine that you need a new database table for your project. If you develop alone, you could write an SQL script that adds a table and manually apply this to your development system. But if you work with other developers, or need to keep a test system in synch with your development system, this become tedious and error prone. Migration tools make it possible to add your new table (or make any other schema changes) in an automated fashion, ensuring all your systems are always in synch. Migration tools also make it possible to quickly and easily roll back previous changes. Unlike typing commands into an interactive SQL window or storing SQL scripts, migration tools keep a detailed history of how your database schema evolved (just in case you need to go back to a previous version). Finally, migration tools minimize or eliminate the problem of having to use vendor specific syntax - you may never switch database products, but if you do, using a migration tool will make your life much easier. The initial intent of migrate4j was to make a Java version of Ruby's db:migrate. If you've used db:migrate, you probably fell in love with it's simple syntax, easy configuration and ability to roll changes up and back effortlessly. The intent (and the challenge) of migrate4j is to bring the power and simplicity of db:migrate to Java programmers, using familiar type safety and syntax. Along the way, we're adding additional functionality that makes migrate4j more than just another Ruby tool rewritten for Java - it is a Java project intended to make other Java projects even better.