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* $Id$ |
* $Id$ |
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* |
* |
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* $Log$ |
* $Log$ |
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* Revision 1.30 2003/03/28 03:02:50 joko |
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* propagating parameters for rpc-debugging and options here |
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* |
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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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* |
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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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* |
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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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* |
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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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* |
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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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* |
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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 |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.19 2003/03/11 03:05:01 joko |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.18 2003/03/11 02:42:51 joko |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.17 2003/03/11 02:34:55 joko |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.16 2003/03/11 02:28:12 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.15 2003/03/11 02:23:03 joko |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.14 2003/03/11 02:14:24 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.13 2003/03/11 02:04:37 joko |
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* + fixed metadata for phpDocumentor |
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* Revision 1.12 2003/03/11 01:10:00 joko |
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* + fixed metadata for phpDocumentor |
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* |
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* Revision 1.11 2003/03/11 00:12:49 joko |
* Revision 1.11 2003/03/11 00:12:49 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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|
* <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 |
126 |
* 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 |
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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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* o an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR) |
* o an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR) |
146 |
* o names of global constants where to find these informations |
* o names of global constants where to find these informations |
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* o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms') |
* o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms') |
148 |
* |
* |
149 |
* |
* <b>It can do:</b> |
|
* <b>It can do</b> |
|
150 |
* - 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 |
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* - 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 |
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* - direct fallback mode to some predefined values if just *everything* fails |
* - direct fallback mode to some predefined values if just *everything* fails |
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* |
* |
|
* |
|
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* <b>How to use?</b> |
* <b>How to use?</b> |
155 |
* |
* |
156 |
* Pass an array holding "locator metadata" to the constructor. |
* Pass an array holding "locator metadata" to the constructor. |
157 |
* 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.) |
159 |
* |
* |
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* 1. for doing rpc-calls.... |
* <pre> |
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* <code> |
* // 1. for doing rpc-calls.... |
162 |
* $locator = array( |
* $locator = array( |
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* datasource_type => 'rpc', |
* datasource_type => 'rpc', |
164 |
* [adapter_type => 'phpHtmlLib',] |
* [adapter_type => 'phpHtmlLib',] |
166 |
* ); |
* ); |
167 |
* $source = ne w DataSource::Generic($locator); |
* $source = ne w DataSource::Generic($locator); |
168 |
* $this->set_data_source( &$source ); |
* $this->set_data_source( &$source ); |
169 |
* </code> |
* </pre> |
170 |
* |
* <pre> |
171 |
* 2. [proposal] for common/oldschool datahandles.... |
* // 2. [proposal] for common/oldschool datahandles.... |
|
* <code> |
|
172 |
* $locator = array( |
* $locator = array( |
173 |
* dsn => 'known dsn markup', |
* dsn => 'known dsn markup', |
174 |
* ); |
* ); |
175 |
* $source = ne w DataSource::Generic($locator); |
* $source = ne w DataSource::Generic($locator); |
176 |
* $this->set_data_source( &$source ); |
* $this->set_data_source( &$source ); |
177 |
* </code> |
* </pre> |
178 |
* |
* |
179 |
* |
* |
180 |
* |
* |
193 |
class DataSource_Locator { |
class DataSource_Locator { |
194 |
|
|
195 |
/** |
/** |
196 |
* This var holds the locator metadata hash |
* This var holds the locator metadata hash, |
197 |
|
* |
198 |
* which is built from some predefined rules |
* which is built from some predefined rules |
199 |
* using metadata from $_options and some |
* using metadata from $_options and some |
200 |
* other presets. |
* other presets. |
201 |
* |
* |
202 |
* @see function build, which acts as a dispatcher |
* See {@link build}, which acts as a dispatcher |
203 |
* depending on $_options[datasource]. |
* depending on $_options[datasource]. <br> |
204 |
* (main dispatching level) |
* (main dispatching level) |
205 |
* |
* |
206 |
* The structure of a full blown locator looks like this: |
* <br> |
207 |
* |
* |
208 |
|
* The structure of a full blown locator looks like this: |
209 |
* <code> |
* <code> |
210 |
* $locator = array( |
* $locator = array( |
211 |
* type => '<your type specifying the datasource-type>', |
* type => '<your type specifying the datasource-type>', |
368 |
|
|
369 |
function &get_metadata() { |
function &get_metadata() { |
370 |
//return ($this->_out); |
//return ($this->_out); |
371 |
|
//print Dumper($this->_metadata); |
372 |
return $this->_metadata; |
return $this->_metadata; |
373 |
} |
} |
374 |
|
|
377 |
|
|
378 |
// trace |
// trace |
379 |
//print Dumper($this); |
//print Dumper($this); |
380 |
|
|
381 |
$good = 0; |
$good = 0; |
382 |
switch ($this->_datasource_type) { |
switch ($this->_datasource_type) { |
383 |
case 'rpc': |
case 'rpc': |
389 |
//package => 'DesignPattern::RemoteProxy', |
//package => 'DesignPattern::RemoteProxy', |
390 |
Host => RPC_HOSTNAME, |
Host => RPC_HOSTNAME, |
391 |
Port => RPC_PORT, |
Port => RPC_PORT, |
392 |
|
DEBUG => defined('RPC_DEBUG') ? RPC_DEBUG : null, |
393 |
|
TRACE => defined('RPC_TRACE') ? RPC_TRACE : null, |
394 |
|
DISCONNECT_ON_ERROR => defined('RPC_DISCONNECT_ON_ERROR') ? RPC_DISCONNECT_ON_ERROR : null, |
395 |
); |
); |
396 |
$good = 1; |
$good = 1; |
397 |
break; |
break; |