importance: 非本人原创作品。
 importance: 纯属一时兴起。
 importance: 原项目地址: http://code.google.com/p/solr-php-client

1. using namespace to replace 'require_once()'
2. locate at Apache\Solr
3. rename as psr-0 mode
4. rename Apache_Solr_HttpTransport_Abstract as Apache\Solr\HttpTransport\HttpTransportAbstract
   rename Apache_Solr_HttpTransport_Interface as Apache\Solr\HttpTransport\HttpTransportInterface
   cause Interface and Abstract it a keyword in php
   
   layout:
   apache/
	├── ChangeLog
	├── COPYING
	├── library
	│   └── Apache
	│       └── Solr
	│           ├── Document.php
	│           ├── Exception.php
	│           ├── HttpTransport
	│           │   ├── CurlNoReuse.php
	│           │   ├── Curl.php
	│           │   ├── FileGetContents.php
	│           │   ├── HttpTransportAbstract.php
	│           │   ├── HttpTransportInterface.php
	│           │   └── Response.php
	│           ├── HttpTransportException.php
	│           ├── InvalidArgumentException.php
	│           ├── NoServiceAvailableException.php
	│           ├── ParserException.php
	│           ├── Response.php
	│           ├── Service
	│           │   └── Balancer.php
	│           └── Service.php
	└── README.md


How to use in composer autoloader?
    1. copy apache to vendor
    2. add 
            'Apache' => array($vendorDir . '/solrPhpCliebtAsPsr0Mode/library'),
        to vendor/composer/autoload_namespaces.php
        
How to use in project
    add 
        use Apache\Solr\Service;
    at the entrance of the project.