Sharper Image GT800 Especificações descarregar pdf (Página 60)

Last updated 1/15/2015

Chapter 10: Data Services

Data Services provides a comprehensive set of data-enabling features, which are deployed in a Java web application.

Data Services also provides a separate set of features specifically for working with data in Foundation. These features

are installed and deployed in Foundation.

With Data Services, you can build data-rich Flex and Ajax applications that securely and cooperatively interact with a

variety of data sources. The data sources include web services, XML data, and custom Java destinations, including Data

Management Service, Hibernate, and SQL.

Key features

Data Services ES4 provides the following set of services that you can use to securely access, transmit, display, and

update data:

Message Service: Use a client-side API and a corresponding server-side Message Service to create Flex messaging

applications.

RPC services: Access data through HTTP GET or POST (HTTP services), SOAP (web services), or Java objects

(remote object services).

Data Management Service: Build applications that provide data synchronization, data replication, and occasionally

connected application services. Data Management Service supports paged data, which lets you manage large result sets

by returning subsets of data, called pages, to the Flex client application.

Conflict resolution: Data Management Service tracks the original state of the object so that it can accurately detect

conflicts and provide an API for programmers to use to resolve them.

PDF creation: Build a Flex application that can generate a PDF document that includes static images or dynamic or

static data.

Security: Restrict access to a privileged group of users by applying a security constraint in a destination definition.

Flex-Ajax Bridge: Expose a Flex application or component to scripting in a web browser.

Ajax Data Services: Lets Ajax developers access the messaging and data management capabilities of Data Services

directly from JavaScript.

Offline data caching: Lets you cache client data requests and data changes to the local file system for later retrieval

when an application resumes.

Real-time Quality of Service: Lets Flex clients select custom, data-access policies for real-time data.

Open adapter architecture: Data Management Service lets you retrieve data by using a variety of mechanisms. Data

Services includes adapters for JMS, Hibernate, Java, SQL, and ActionScript.

Java 1.5 enumeration support: Enumerated types are serialized to string values in ActionScript by default.

The following features are integrated with Foundation:

LiveCycle Remoting: Invokes services through the Flex RemoteObject tag.

Proxy: Redirects service traffic from different domains. Provides client authentication, whitelists of permitted URLs,

server-side logging, localization support, and centralized management of LiveCycle Remoting.

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