24 |
* $Id$ |
* $Id$ |
25 |
* |
* |
26 |
* $Log$ |
* $Log$ |
27 |
|
* Revision 1.18 2003/03/11 02:42:51 joko |
28 |
|
* + fixed metadata for phpDocumentor |
29 |
|
* |
30 |
|
* Revision 1.17 2003/03/11 02:34:55 joko |
31 |
|
* + fixed metadata for phpDocumentor |
32 |
|
* |
33 |
|
* Revision 1.16 2003/03/11 02:28:12 joko |
34 |
|
* + fixed metadata for phpDocumentor |
35 |
|
* |
36 |
|
* Revision 1.15 2003/03/11 02:23:03 joko |
37 |
|
* + fixed metadata for phpDocumentor |
38 |
|
* |
39 |
|
* Revision 1.14 2003/03/11 02:14:24 joko |
40 |
|
* + fixed metadata for phpDocumentor |
41 |
|
* |
42 |
* Revision 1.13 2003/03/11 02:04:37 joko |
* Revision 1.13 2003/03/11 02:04:37 joko |
43 |
* + fixed metadata for phpDocumentor |
* + fixed metadata for phpDocumentor |
44 |
* |
* |
85 |
/** |
/** |
86 |
* It helps DataSource::Generic working in different "operation modes". |
* It helps DataSource::Generic working in different "operation modes". |
87 |
* |
* |
88 |
|
* <p> |
89 |
* <b>Modes:</b> (these are proposals, more or less...) |
* <b>Modes:</b> (these are proposals, more or less...) |
90 |
* o Pass-Through-Reference: php Object will get passed through all layers |
* o Pass-Through-Reference: php Object will get passed through all layers |
91 |
* o Pass-Through-Memory: reference to a memory area will get used |
* o Pass-Through-Memory: reference to a memory area will get used |
93 |
* o Use-Locator: directly use DataSource::Locator instance passed in |
* o Use-Locator: directly use DataSource::Locator instance passed in |
94 |
* o Merge-Locators: merge metadata of two or more DataSource::Locator instances |
* o Merge-Locators: merge metadata of two or more DataSource::Locator instances |
95 |
* o Build-AutoLocator: use global constants making up our metadata |
* o Build-AutoLocator: use global constants making up our metadata |
96 |
|
* </p> |
97 |
* |
* |
98 |
* <b>It can/should contain:</b> |
* <b>It can/should contain:</b> |
99 |
* (flexible, just some parameters are required for each operation mode) |
* (flexible, just some parameters are required for each operation mode) |
112 |
* o names of global constants where to find these informations |
* o names of global constants where to find these informations |
113 |
* o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms') |
* o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms') |
114 |
* |
* |
115 |
* <b>It can do</b> |
* <b>It can do:</b> |
116 |
* - 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 |
117 |
* - 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 |
118 |
* - direct fallback mode to some predefined values if just *everything* fails |
* - direct fallback mode to some predefined values if just *everything* fails |
121 |
* |
* |
122 |
* Pass an array holding "locator metadata" to the constructor. |
* Pass an array holding "locator metadata" to the constructor. |
123 |
* This module takes care of the rest. |
* This module takes care of the rest. |
|
* |
|
124 |
* Pass an array to the constructor: (e.g.) |
* Pass an array to the constructor: (e.g.) |
125 |
* |
* |
126 |
|
* <pre> |
127 |
* 1. for doing rpc-calls.... |
* 1. for doing rpc-calls.... |
128 |
* <code> |
* <code> |
129 |
* $locator = array( |
* $locator = array( |
143 |
* $source = ne w DataSource::Generic($locator); |
* $source = ne w DataSource::Generic($locator); |
144 |
* $this->set_data_source( &$source ); |
* $this->set_data_source( &$source ); |
145 |
* </code> |
* </code> |
146 |
|
* </pre> |
147 |
* |
* |
148 |
* |
* |
149 |
* |
* |
162 |
class DataSource_Locator { |
class DataSource_Locator { |
163 |
|
|
164 |
/** |
/** |
165 |
* This var holds the locator metadata hash |
* This var holds the locator metadata hash, |
166 |
|
* |
167 |
* which is built from some predefined rules |
* which is built from some predefined rules |
168 |
* using metadata from $_options and some |
* using metadata from $_options and some |
169 |
* other presets. |
* other presets. |
170 |
* |
* |
171 |
* @see build, which acts as a dispatcher |
* {@see build}, which acts as a dispatcher |
172 |
* depending on $_options[datasource]. |
* depending on $_options[datasource]. (main dispatching level) |
173 |
* (main dispatching level) |
* |
174 |
|
* <p> |
175 |
* |
* |
|
* <pre> |
|
176 |
* The structure of a full blown locator looks like this: |
* The structure of a full blown locator looks like this: |
177 |
* |
* |
178 |
* <code> |
* <code> |
203 |
* ) |
* ) |
204 |
* ); |
* ); |
205 |
* </code> |
* </code> |
206 |
* </pre> |
* |
207 |
|
* </p> |
208 |
* |
* |
209 |
* @deprecated |
* @deprecated |
210 |
* |
* |