14 |
* @name DataSource::Locator |
* @name DataSource::Locator |
15 |
* |
* |
16 |
* |
* |
17 |
|
*/ |
18 |
|
|
19 |
|
|
20 |
|
/** |
21 |
* <b>Cvs-Log:</b> |
* <b>Cvs-Log:</b> |
22 |
* |
* |
23 |
* <pre> |
* <pre> |
24 |
* $Id$ |
* $Id$ |
25 |
* |
* |
26 |
* $Log$ |
* $Log$ |
27 |
|
* Revision 1.10 2003/03/10 23:25:03 joko |
28 |
|
* + fixed metadata for phpDocumentor |
29 |
|
* |
30 |
* Revision 1.9 2003/03/10 22:31:55 joko |
* Revision 1.9 2003/03/10 22:31:55 joko |
31 |
* + fixed metadata for phpDocumentor |
* + fixed metadata for phpDocumentor |
32 |
* |
* |
61 |
/** |
/** |
62 |
* It helps DataSource::Generic working in different "operation modes". |
* It helps DataSource::Generic working in different "operation modes". |
63 |
* |
* |
64 |
* <ul> |
* <ul> |
65 |
* o Pass-Through-Reference: php Object will get passed through all layers |
* o Pass-Through-Reference: php Object will get passed through all layers |
66 |
* o Pass-Through-Memory: reference to a memory area will get used |
* o Pass-Through-Memory: reference to a memory area will get used |
67 |
* x Build-Locator: build locator from datasource-type and adapter-type |
* x Build-Locator: build locator from datasource-type and adapter-type |
68 |
* o Use-Locator: directly use DataSource::Locator instance passed in |
* o Use-Locator: directly use DataSource::Locator instance passed in |
69 |
* o Merge-Locators: merge metadata of two or more DataSource::Locator instances |
* o Merge-Locators: merge metadata of two or more DataSource::Locator instances |
70 |
* o Build-AutoLocator: use global constants making up our metadata |
* o Build-AutoLocator: use global constants making up our metadata |
71 |
* </ul> |
* <ul> |
72 |
* |
* |
73 |
* |
* |
74 |
* <b>It can/should contain:</b> |
* <b>It can/should contain:</b> |
75 |
* (flexible, just some parameters are required for each operation mode) |
* (flexible, just some parameters are required for each operation mode) |
76 |
* <ul> |
* <ul> |
77 |
* o an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR) |
* o an oldschool "dsn"-string (e.g. for rdbms-connection via PEAR) |
78 |
* x name of a Proxy module to use to *wrap/hide* the connection/transport-layer |
* x name of a Proxy module to use to *wrap/hide* the connection/transport-layer |
79 |
* (e.g. DataSource::Proxy::XMLRPC via DesignPattern::RemoteProxy) |
* (e.g. DataSource::Proxy::XMLRPC via DesignPattern::RemoteProxy) |
88 |
* by the DataSource::Generic at runtime |
* by the DataSource::Generic at runtime |
89 |
* o names of global constants where to find these informations |
* o names of global constants where to find these informations |
90 |
* o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms') |
* o datasource-type ('rpc|csv-file|...') <-> datasource-family ('orm|rdbms|odbms') |
91 |
* </ul> |
* <ul> |
92 |
* |
* |
93 |
* |
* |
94 |
* <b>It can do</b> |
* <b>It can do</b> |
95 |
* <ul> |
* - builds a larger locator from a minimum of information passed in via constructor-arguments |
96 |
* # builds a larger locator from a minimum of information passed in via constructor-arguments |
* - direct fallback mode to some predefined constant names if locator is empty and above method fails |
97 |
* o direct fallback mode to some predefined constant names if locator is empty and above method fails |
* - direct fallback mode to some predefined values if just *everything* fails |
|
* o direct fallback mode to some predefined values if just *everything* fails |
|
|
* </ul> |
|
98 |
* |
* |
99 |
* |
* |
100 |
* <b>How to use?</b> |
* <b>How to use?</b> |