/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Locator.php
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revision 1.12 by joko, Tue Mar 11 01:10:00 2003 UTC revision 1.16 by joko, Tue Mar 11 02:28:12 2003 UTC
# Line 24  Line 24 
24   * $Id$   * $Id$
25   *   *
26   * $Log$   * $Log$
27     * Revision 1.16  2003/03/11 02:28:12  joko
28     * + fixed metadata for phpDocumentor
29     *
30     * Revision 1.15  2003/03/11 02:23:03  joko
31     * + fixed metadata for phpDocumentor
32     *
33     * Revision 1.14  2003/03/11 02:14:24  joko
34     * + fixed metadata for phpDocumentor
35     *
36     * Revision 1.13  2003/03/11 02:04:37  joko
37     * + fixed metadata for phpDocumentor
38     *
39   * Revision 1.12  2003/03/11 01:10:00  joko   * Revision 1.12  2003/03/11 01:10:00  joko
40   * + fixed metadata for phpDocumentor   * + fixed metadata for phpDocumentor
41   *   *
# Line 67  Line 79 
79  /**  /**
80   * It helps DataSource::Generic working in different "operation modes".   * It helps DataSource::Generic working in different "operation modes".
81   *   *
82   * <p>   * <b>Modes:</b> (these are proposals, more or less...)
  * <ul>  
83   * o Pass-Through-Reference: php Object will get passed through all layers   * o Pass-Through-Reference: php Object will get passed through all layers
84   * o Pass-Through-Memory: reference to a memory area will get used   * o Pass-Through-Memory: reference to a memory area will get used
85   * + Build-Locator: build locator from datasource-type and adapter-type   * + Build-Locator: build locator from datasource-type and adapter-type
86   * o Use-Locator: directly use DataSource::Locator instance passed in   * o Use-Locator: directly use DataSource::Locator instance passed in
87   * o Merge-Locators: merge metadata of two or more DataSource::Locator instances   * o Merge-Locators: merge metadata of two or more DataSource::Locator instances
88   * o Build-AutoLocator: use global constants making up our metadata   * o Build-AutoLocator: use global constants making up our metadata
  * </ul>  
  * </p>  
89   *   *
  * <p>  
90   * <b>It can/should contain:</b>   * <b>It can/should contain:</b>
91   * (flexible, just some parameters are required for each operation mode)   * (flexible, just some parameters are required for each operation mode)
92   * o an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR)   * o an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR)
# Line 95  Line 103 
103   *   by the DataSource::Generic at runtime   *   by the DataSource::Generic at runtime
104   * o names of global constants where to find these informations   * o names of global constants where to find these informations
105   * o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms')   * o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms')
  * </p>  
106   *   *
107   * <p>   * <b>It can do:</b>
  * <b>It can do</b>  
108   * - builds a larger locator from a minimum of information passed in via constructor-arguments   * - builds a larger locator from a minimum of information passed in via constructor-arguments
109   * - direct fallback mode to some predefined constant names if locator is empty and above method fails   * - direct fallback mode to some predefined constant names if locator is empty and above method fails
110   * - direct fallback mode to some predefined values if just *everything* fails   * - direct fallback mode to some predefined values if just *everything* fails
  * </p>  
111   *   *
  * <p>  
112   * <b>How to use?</b>   * <b>How to use?</b>
113   *   *
114   * Pass an array holding "locator metadata" to the constructor.   * Pass an array holding "locator metadata" to the constructor.
# Line 112  Line 116 
116   *   *
117   * Pass an array to the constructor: (e.g.)   * Pass an array to the constructor: (e.g.)
118   *   *
119     * <p>
120   *  1. for doing rpc-calls....   *  1. for doing rpc-calls....
121   *    <code>   *    <code>
122   *    $locator = array(   *    $locator = array(
# Line 150  Line 155 
155  class DataSource_Locator {  class DataSource_Locator {
156    
157    /**    /**
158      * This var holds the locator metadata hash      * This var holds the locator metadata hash,
159        *
160      * which is built from some predefined rules      * which is built from some predefined rules
161      * using metadata from $_options and some      * using metadata from $_options and some
162      * other presets.      * other presets.
163      *      *
164      * @see build, which acts as a dispatcher      * @see build, which acts as a dispatcher
165      * depending on $_options[datasource].      * depending on $_options[datasource]. (main dispatching level)
     * (main dispatching level)  
166      *      *
167      * <pre>      * <pre>
168      * The structure of a full blown locator looks like this:      * The structure of a full blown locator looks like this:
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