Tuesday, May 15, 2007

PHP SCA_SDO Release 1.2.1 Is Available

An update on the previous post. We found a few problems with the 1.2.0 release so we have done a quick refresh. Here is the release annouce for those of you interested in constructing and using services in PHP


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The new PECL package SCA_SDO-1.2.1 has been released at http://pecl.php.net/.

Release notes
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* Pluggable bindings support

This support is all in the core. There are now fewer files in the SCA directory and all code specific to a given binding (local, soap, jsonrpc etc.) goes in a subdirectory under the Bindings subdirectory. The SCA core code now just knows how to use the SCA_BindingsFactory object to pull in the classes it needs to service an incoming request. The names of the desired classes are derived from the annotations e.g. if a component has an @binding.soap annotation, the SCA core code will look in SCA/Bindings/soap for the classes it needs. This is probably of limited interest unless you plan to write a binding of your own. We plan an article to describe how this works.

* Refactored bindings based on the pluggable binding support:
o jsonrpc
o local (php to php binding)
o restrpc (RPC based on HTTP GET or POST)
o soap (SOAP web services)
o xmlrpc

* Latest drop of SDO code from Tuscany (currently revision level 532769) including:
o performance enhancements
o set of fixes to DataObject destructor to eliminate crashes when the graph is not freed in the default order

* Updates to SDO extension:
o fix memory leak from SDO_DataObject (depends on Tuscany fixes above)
o add debug trace macros for debugging memory allocation
o new signature for SDO_DAS_XML::create() allows an array of schema files to be passed in

* Bug fixes
o http://pecl.php.net/bugs/bug.php?id=8428
o http://pecl.php.net/bugs/bug.php?id=9243
o http://pecl.php.net/bugs/bug.php?id=9487
o http://pecl.php.net/bugs/bug.php?id=9991
o http://pecl.php.net/bugs/bug.php?id=10049
o http://pecl.php.net/bugs/bug.php?id=11006

* Examples
o More SCA examples that exercise some of the new bindings, and some of the old, including HelloWorlds and Email scenarios.

* Fix for spaces in service description URLs (pecl defect #11006).
* Experimental support for service names following the PEAR coding standard
* Experimental support for a manual service request dispatching interface on SCA.php


Package Info
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Service Data Objects (SDOs) enable PHP applications to work with data
from different sources (like a database query, an XML file, or a
spreadsheet) using a single interface. SCA for PHP allows a PHP
programmer to write reusable components (classes) in PHP, which can be
called either locally, or remotely via Web Services, with an identical
interface.

Related Links
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Package home: http://pecl.php.net/package/SCA_SDO
Changelog: http://pecl.php.net/package-changelog.php?package=SCA_SDO
Download: http://pecl.php.net/get/SCA_SDO-1.2.1.tgz
Web Site: http://www.osoa.org/display/PHP/SOA+PHP+Homepage
Mail List: http://groups.google.co.uk/group/phpsoa?hl=en

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