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Efficient concatenated text storage. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
| File Size: | 704 lines (17 kb) |
| Included or required: | 0 times |
| Referenced: | 5 times |
| Includes or requires: | 0 files |
HistoryBlob:: (4 methods):
addItem()
getItem()
setText()
getText()
ConcatenatedGzipHistoryBlob:: (11 methods):
__construct()
addItem()
getItem()
setText()
getText()
removeItem()
compress()
uncompress()
__sleep()
__wakeup()
isHappy()
HistoryBlobStub:: (6 methods):
__construct()
setLocation()
setReferrer()
getReferrer()
getText()
getHash()
HistoryBlobCurStub:: (3 methods):
__construct()
setLocation()
getText()
DiffHistoryBlob:: (13 methods):
__construct()
addItem()
getItem()
setText()
getText()
compress()
diff()
patch()
xdiffAdler32()
uncompress()
__sleep()
__wakeup()
isHappy()
Interface: HistoryBlob - X-Ref
Base class for general text storage via the "object" flag in old_flags, or| addItem( $text ) X-Ref |
| Adds an item of text, returns a stub object which points to the item. You must call setLocation() on the stub object before storing it to the database param: string $text return: string The key for getItem() |
| getItem( $key ) X-Ref |
| Get item by key, or false if the key is not present param: string $key return: string|bool |
| setText( $text ) X-Ref |
| Set the "default text" This concept is an odd property of the current DB schema, whereby each text item has a revision associated with it. The default text is the text of the associated revision. There may, however, be other revisions in the same object. Default text is not required for two-part external storage URLs. param: string $text |
| getText() X-Ref |
| Get default text. This is called from Revision::getRevisionText() return: string |
Class: ConcatenatedGzipHistoryBlob - X-Ref
Concatenated gzip (CGZ) storage| __construct() X-Ref |
| Constructor |
| addItem( $text ) X-Ref |
param: string $text return: string |
| getItem( $hash ) X-Ref |
param: string $hash return: array|bool |
| setText( $text ) X-Ref |
param: string $text return: void |
| getText() X-Ref |
return: array|bool |
| removeItem( $hash ) X-Ref |
| Remove an item param: string $hash |
| compress() X-Ref |
| Compress the bulk data in the object |
| uncompress() X-Ref |
| Uncompress bulk data |
| __sleep() X-Ref |
return: array |
| __wakeup() X-Ref |
| No description |
| isHappy() X-Ref |
| Helper function for compression jobs Returns true until the object is "full" and ready to be committed return: bool |
Class: HistoryBlobStub - X-Ref
Pointer object for an item within a CGZ blob stored in the text table.| __construct( $hash = '', $oldid = 0 ) X-Ref |
param: string $hash The content hash of the text param: int $oldid The old_id for the CGZ object |
| setLocation( $id ) X-Ref |
| Sets the location (old_id) of the main object to which this object points param: int $id |
| setReferrer( $id ) X-Ref |
| Sets the location (old_id) of the referring object param: string $id |
| getReferrer() X-Ref |
| Gets the location of the referring object return: string |
| getText() X-Ref |
return: string |
| getHash() X-Ref |
| Get the content hash return: string |
Class: HistoryBlobCurStub - X-Ref
To speed up conversion from 1.4 to 1.5 schema, text rows can refer to the| __construct( $curid = 0 ) X-Ref |
param: int $curid The cur_id pointed to |
| setLocation( $id ) X-Ref |
| Sets the location (cur_id) of the main object to which this object points param: int $id |
| getText() X-Ref |
return: string|bool |
Class: DiffHistoryBlob - X-Ref
Diff-based history compression| __construct() X-Ref |
| addItem( $text ) X-Ref |
param: string $text return: int |
| getItem( $key ) X-Ref |
param: string $key return: string |
| setText( $text ) X-Ref |
param: string $text |
| getText() X-Ref |
return: string |
| compress() X-Ref |
| diff( $t1, $t2 ) X-Ref |
param: string $t1 param: string $t2 return: string |
| patch( $base, $diff ) X-Ref |
param: string $base param: string $diff return: bool|string |
| xdiffAdler32( $s ) X-Ref |
| Compute a binary "Adler-32" checksum as defined by LibXDiff, i.e. with the bytes backwards and initialised with 0 instead of 1. See bug 34428. param: string $s return: string|bool False if the hash extension is not available |
| uncompress() X-Ref |
| No description |
| __sleep() X-Ref |
return: array |
| __wakeup() X-Ref |
| No description |
| isHappy() X-Ref |
| Helper function for compression jobs Returns true until the object is "full" and ready to be committed return: bool |
| Generated: Fri Nov 28 14:03:12 2014 | Cross-referenced by PHPXref 0.7.1 |