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* $Id$ |
* $Id$ |
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* |
* |
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* $Log$ |
* $Log$ |
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* Revision 1.29 2003/03/18 02:01:47 joko |
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* minor update (mungling with phpDocumentor again) |
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* |
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* Revision 1.28 2003/03/18 01:52:33 joko |
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* minor update (mungling with phpDocumentor again) |
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* |
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* Revision 1.27 2003/03/11 16:44:59 joko |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.26 2003/03/11 16:41:47 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.25 2003/03/11 16:28:25 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.24 2003/03/11 04:49:25 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.23 2003/03/11 04:15:01 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.22 2003/03/11 04:03:54 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.21 2003/03/11 03:23:36 joko |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.20 2003/03/11 03:17:37 joko |
* Revision 1.20 2003/03/11 03:17:37 joko |
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* + fixed metadata for phpDocumentor |
* + fixed metadata for phpDocumentor |
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* |
* |
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/** |
/** |
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* It helps DataSource::Generic working in different "operation modes". |
* It helps DataSource::Generic working in different "operation modes". |
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* |
* |
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* <p> |
|
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* <b>Modes:</b> (these are proposals, more or less...) |
* <b>Modes:</b> (these are proposals, more or less...) |
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* o Pass-Through-Reference: php Object will get passed through all layers |
* o Pass-Through-Reference: php Object will get passed through all layers |
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* o Pass-Through-Memory: reference to a memory area will get used |
* o Pass-Through-Memory: reference to a memory area will get used |
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* + Build-Locator: build locator from datasource-type and adapter-type |
* + (x) Build-Locator: build locator from datasource-type and adapter-type |
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* o Use-Locator: directly use DataSource::Locator instance passed in |
* o Use-Locator: directly use DataSource::Locator instance passed in |
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* o Merge-Locators: merge metadata of two or more DataSource::Locator instances |
* o Merge-Locators: merge metadata of two or more DataSource::Locator instances |
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* o Build-AutoLocator: use global constants making up our metadata |
* o Build-AutoLocator: use global constants making up our metadata |
|
* </p> |
|
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* |
* |
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* <b>It can/should contain:</b> |
* <b>It can/should contain:</b> |
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* (flexible, just some parameters are required for each operation mode) |
* (flexible, just some parameters are required for each operation mode) |
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* This module takes care of the rest. |
* This module takes care of the rest. |
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* Pass an array to the constructor: (e.g.) |
* Pass an array to the constructor: (e.g.) |
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* |
* |
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* 1. for doing rpc-calls.... |
* <pre> |
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* <code> |
* // 1. for doing rpc-calls.... |
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* $locator = array( |
* $locator = array( |
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* datasource_type => 'rpc', |
* datasource_type => 'rpc', |
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* [adapter_type => 'phpHtmlLib',] |
* [adapter_type => 'phpHtmlLib',] |
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* ); |
* ); |
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* $source = ne w DataSource::Generic($locator); |
* $source = ne w DataSource::Generic($locator); |
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* $this->set_data_source( &$source ); |
* $this->set_data_source( &$source ); |
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* </code> |
* </pre> |
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* |
* <pre> |
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* 2. [proposal] for common/oldschool datahandles.... |
* // 2. [proposal] for common/oldschool datahandles.... |
|
* <code> |
|
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* $locator = array( |
* $locator = array( |
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* dsn => 'known dsn markup', |
* dsn => 'known dsn markup', |
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* ); |
* ); |
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* $source = ne w DataSource::Generic($locator); |
* $source = ne w DataSource::Generic($locator); |
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* $this->set_data_source( &$source ); |
* $this->set_data_source( &$source ); |
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* </code> |
* </pre> |
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* |
* |
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* |
* |
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* |
* |
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* depending on $_options[datasource]. <br> |
* depending on $_options[datasource]. <br> |
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* (main dispatching level) |
* (main dispatching level) |
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* |
* |
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* The structure of a full blown locator looks like this: |
* <br> |
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* |
* |
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* <code><pre> |
* The structure of a full blown locator looks like this: |
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|
* <code> |
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* $locator = array( |
* $locator = array( |
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* type => '<your type specifying the datasource-type>', |
* type => '<your type specifying the datasource-type>', |
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* metadata => array( |
* metadata => array( |
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* ), |
* ), |
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* [dsn => '<your dsn markup>'], |
* [dsn => '<your dsn markup>'], |
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* ); |
* ); |
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* </pre></code> |
* </code> |
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* |
* |
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* Example 1 - data is inside a rdbms, using a dsn to connect to it: |
* Example 1 - data is inside a rdbms, using a dsn to connect to it: |
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* <pre><code> |
* <code> |
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* $locator = array( |
* $locator = array( |
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* dsn => 'mysql://username:password@localhost/database', |
* dsn => 'mysql://username:password@localhost/database', |
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* ); |
* ); |
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* </code></pre> |
* </code> |
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* |
* |
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* Example 2 - data is inside an odbms, reachable by doing remote procedure calls (rpc): |
* Example 2 - data is inside an odbms, reachable by doing remote procedure calls (rpc): |
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* <code> |
* <code> |