/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Locator.php
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revision 1.6 by joko, Wed Mar 5 16:10:08 2003 UTC revision 1.7 by joko, Wed Mar 5 17:13:16 2003 UTC
# Line 9  Line 9 
9   * to be informed about the most important stuff it   * to be informed about the most important stuff it
10   * has to do.   * has to do.
11   *   *
  *  
12   * @author Andreas Motl <andreas.motl@ilo.de>   * @author Andreas Motl <andreas.motl@ilo.de>
13   * @package org.netfrag.glib   * @package org.netfrag.glib
14   * @module DataSource::Locator   * @name DataSource::Locator
15     * @filesource
16   *   *
17   */   *
18     * <b>Cvs-Log:</b>
19  /**   *
20     * <pre>
21   * $Id$   * $Id$
22   *   *
23   * $Log$   * $Log$
24     * Revision 1.7  2003/03/05 17:13:16  joko
25     * updated docu (phpDocumentor testing....)
26     *
27   * Revision 1.6  2003/03/05 16:10:08  joko   * Revision 1.6  2003/03/05 16:10:08  joko
28   * updated docu (phpDocumentor testing....)   * updated docu (phpDocumentor testing....)
29   *   *
# Line 37  Line 41 
41   *   *
42   * Revision 1.1  2003/03/05 12:04:37  joko   * Revision 1.1  2003/03/05 12:04:37  joko
43   * + initial commit   * + initial commit
44     * </pre>
45   *   *
46   *   *
47   */   */
# Line 44  Line 49 
49  /**  /**
50   * It helps DataSource::Generic working in different "operation modes".   * It helps DataSource::Generic working in different "operation modes".
51   *   *
52   * - Pass-Through-Reference: php Object will get passed through all layers   * <ul>
53   * - Pass-Through-Memory: reference to a memory area will get used   * o Pass-Through-Reference: php Object will get passed through all layers
54   * + Build-Locator: build locator from datasource-type and adapter-type   * o Pass-Through-Memory: reference to a memory area will get used
55   * - Use-Locator: directly use DataSource::Locator instance passed in   * x Build-Locator: build locator from datasource-type and adapter-type
56   * - Merge-Locators: merge metadata of two or more DataSource::Locator instances   * o Use-Locator: directly use DataSource::Locator instance passed in
57   * - Build-AutoLocator: use global constants making up our metadata   * o Merge-Locators: merge metadata of two or more DataSource::Locator instances
58     * o Build-AutoLocator: use global constants making up our metadata
59     * </ul>
60   *   *
  * <b>It can/should contain:</b>  
61   *   *
62   * <pre>   * <b>It can/should contain:</b>
63   * (flexible, just some parameters are required for each operation mode)   * (flexible, just some parameters are required for each operation mode)
64   * - an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR)   * <ul>
65   * + name of a Proxy module to use to *wrap/hide* the connection/transport-layer   * o an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR)
66     * x name of a Proxy module to use to *wrap/hide* the connection/transport-layer
67   *   (e.g. DataSource::Proxy::XMLRPC via DesignPattern::RemoteProxy)   *   (e.g. DataSource::Proxy::XMLRPC via DesignPattern::RemoteProxy)
68   * + metadata (a hash) directly describing *where* to connect to (e.g. 'Host', 'Port')   * x metadata (a hash) directly describing *where* to connect to (e.g. 'Host', 'Port')
69   * - an instance of an already instantiated arbitrary datasource handler (e.g. 'source')   * o an instance of an already instantiated arbitrary datasource handler (e.g. 'source')
70   *   this will get propagated (pass-through-mode)   *   this will get propagated (pass-through-mode)
71   * - a datasource-type (of 'rpc|mysql|csv-file|xml-file')   * o a datasource-type (of 'rpc|mysql|csv-file|xml-file')
72   *   this will be mapped to a module name and used as a *Proxy*   *   this will be mapped to a module name and used as a *Proxy*
73   *   by the DataSource::Generic at runtime   *   by the DataSource::Generic at runtime
74   * + an adapter-type (of 'phpHtmlLib|pear')   * x an adapter-type (of 'phpHtmlLib|pear')
75   *   this will be mapped to a module name and used as an *Adapter*   *   this will be mapped to a module name and used as an *Adapter*
76   *   by the DataSource::Generic at runtime   *   by the DataSource::Generic at runtime
77   * - names of global constants where to find these informations   * o names of global constants where to find these informations
78   * - datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms')   * o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms')
79   * </pre>   * </ul>
80   *   *
81   *   *
82   * <b>It can do</b>   * <b>It can do</b>
83   * + builds a larger locator from a minimum of information passed in via constructor-arguments   * <ul>
84     * # builds a larger locator from a minimum of information passed in via constructor-arguments
85   * o direct fallback mode to some predefined constant names if locator is empty and above method fails   * o direct fallback mode to some predefined constant names if locator is empty and above method fails
86   * o direct fallback mode to some predefined values if just *everything* fails   * o direct fallback mode to some predefined values if just *everything* fails
87     * </ul>
88   *   *
89   *   *
90   * <b>How to use?</b>   * <b>How to use?</b>
# Line 114  Line 123 
123   * @license GNU LGPL (GNU Lesser General Public License)   * @license GNU LGPL (GNU Lesser General Public License)
124   * @link http://www.gnu.org/licenses/lgpl.txt   * @link http://www.gnu.org/licenses/lgpl.txt
125   *   *
126     * @package org.netfrag.glib
127     * @subpackage DataSource
128   * @name DataSource::Locator   * @name DataSource::Locator
  * @filesource  
129   *   *
130   */   */
   
   
131  class DataSource_Locator {  class DataSource_Locator {
132    
133    /**    /**
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