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-rw-r--r--classes/Memcached_DataObject.php326
1 files changed, 181 insertions, 145 deletions
diff --git a/classes/Memcached_DataObject.php b/classes/Memcached_DataObject.php
index 7a33e158d..5f71f716b 100644
--- a/classes/Memcached_DataObject.php
+++ b/classes/Memcached_DataObject.php
@@ -21,156 +21,166 @@ if (!defined('LACONICA')) { exit(1); }
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
-class Memcached_DataObject extends DB_DataObject
+class Memcached_DataObject extends DB_DataObject
{
- function &staticGet($cls, $k, $v=NULL) {
- if (is_null($v)) {
- $v = $k;
- # XXX: HACK!
- $i = new $cls;
- $keys = $i->keys();
- $k = $keys[0];
- unset($i);
- }
- $i = Memcached_DataObject::getcached($cls, $k, $v);
- if ($i) {
- return $i;
- } else {
- $i = DB_DataObject::staticGet($cls, $k, $v);
- if ($i) {
- $i->encache();
- }
- return $i;
- }
- }
-
- function &pkeyGet($cls, $kv) {
- $i = Memcached_DataObject::multicache($cls, $kv);
- if ($i) {
- return $i;
- } else {
- $i = new $cls();
- foreach ($kv as $k => $v) {
- $i->$k = $v;
- }
- if ($i->find(true)) {
- $i->encache();
- } else {
- $i = NULL;
- }
+ function &staticGet($cls, $k, $v=null)
+ {
+ if (is_null($v)) {
+ $v = $k;
+ # XXX: HACK!
+ $i = new $cls;
+ $keys = $i->keys();
+ $k = $keys[0];
+ unset($i);
+ }
+ $i = Memcached_DataObject::getcached($cls, $k, $v);
+ if ($i) {
+ return $i;
+ } else {
+ $i = DB_DataObject::staticGet($cls, $k, $v);
+ if ($i) {
+ $i->encache();
+ }
+ return $i;
+ }
+ }
+
+ function &pkeyGet($cls, $kv)
+ {
+ $i = Memcached_DataObject::multicache($cls, $kv);
+ if ($i) {
return $i;
- }
- }
-
- function insert() {
- $result = parent::insert();
- return $result;
- }
-
- function update($orig=NULL) {
- if (is_object($orig) && $orig instanceof Memcached_DataObject) {
- $orig->decache(); # might be different keys
- }
- $result = parent::update($orig);
- if ($result) {
- $this->encache();
- }
- return $result;
- }
-
- function delete() {
- $this->decache(); # while we still have the values!
- return parent::delete();
- }
-
- static function memcache() {
- return common_memcache();
- }
-
- static function cacheKey($cls, $k, $v) {
- return common_cache_key(strtolower($cls).':'.$k.':'.$v);
- }
-
- static function getcached($cls, $k, $v) {
- $c = Memcached_DataObject::memcache();
- if (!$c) {
- return false;
- } else {
- return $c->get(Memcached_DataObject::cacheKey($cls, $k, $v));
- }
- }
-
- function keyTypes() {
- global $_DB_DATAOBJECT;
+ } else {
+ $i = new $cls();
+ foreach ($kv as $k => $v) {
+ $i->$k = $v;
+ }
+ if ($i->find(true)) {
+ $i->encache();
+ } else {
+ $i = null;
+ }
+ return $i;
+ }
+ }
+
+ function insert()
+ {
+ $result = parent::insert();
+ return $result;
+ }
+
+ function update($orig=null)
+ {
+ if (is_object($orig) && $orig instanceof Memcached_DataObject) {
+ $orig->decache(); # might be different keys
+ }
+ $result = parent::update($orig);
+ if ($result) {
+ $this->encache();
+ }
+ return $result;
+ }
+
+ function delete()
+ {
+ $this->decache(); # while we still have the values!
+ return parent::delete();
+ }
+
+ static function memcache() {
+ return common_memcache();
+ }
+
+ static function cacheKey($cls, $k, $v) {
+ return common_cache_key(strtolower($cls).':'.$k.':'.$v);
+ }
+
+ static function getcached($cls, $k, $v) {
+ $c = Memcached_DataObject::memcache();
+ if (!$c) {
+ return false;
+ } else {
+ return $c->get(Memcached_DataObject::cacheKey($cls, $k, $v));
+ }
+ }
+
+ function keyTypes()
+ {
+ global $_DB_DATAOBJECT;
if (!isset($_DB_DATAOBJECT['INI'][$this->_database][$this->__table."__keys"])) {
- $this->databaseStructure();
+ $this->databaseStructure();
+
+ }
+ return $_DB_DATAOBJECT['INI'][$this->_database][$this->__table."__keys"];
+ }
+
+ function encache()
+ {
+ $c = $this->memcache();
+ if (!$c) {
+ return false;
+ } else {
+ $pkey = array();
+ $pval = array();
+ $types = $this->keyTypes();
+ ksort($types);
+ foreach ($types as $key => $type) {
+ if ($type == 'K') {
+ $pkey[] = $key;
+ $pval[] = $this->$key;
+ } else {
+ $c->set($this->cacheKey($this->tableName(), $key, $this->$key), $this);
+ }
+ }
+ # XXX: should work for both compound and scalar pkeys
+ $pvals = implode(',', $pval);
+ $pkeys = implode(',', $pkey);
+ $c->set($this->cacheKey($this->tableName(), $pkeys, $pvals), $this);
+ }
+ }
+
+ function decache()
+ {
+ $c = $this->memcache();
+ if (!$c) {
+ return false;
+ } else {
+ $pkey = array();
+ $pval = array();
+ $types = $this->keyTypes();
+ ksort($types);
+ foreach ($types as $key => $type) {
+ if ($type == 'K') {
+ $pkey[] = $key;
+ $pval[] = $this->$key;
+ } else {
+ $c->delete($this->cacheKey($this->tableName(), $key, $this->$key));
+ }
+ }
+ # should work for both compound and scalar pkeys
+ # XXX: comma works for now but may not be safe separator for future keys
+ $pvals = implode(',', $pval);
+ $pkeys = implode(',', $pkey);
+ $c->delete($this->cacheKey($this->tableName(), $pkeys, $pvals));
+ }
+ }
+ function multicache($cls, $kv)
+ {
+ ksort($kv);
+ $c = Memcached_DataObject::memcache();
+ if (!$c) {
+ return false;
+ } else {
+ $pkeys = implode(',', array_keys($kv));
+ $pvals = implode(',', array_values($kv));
+ return $c->get(Memcached_DataObject::cacheKey($cls, $pkeys, $pvals));
}
- return $_DB_DATAOBJECT['INI'][$this->_database][$this->__table."__keys"];
- }
-
- function encache() {
- $c = $this->memcache();
- if (!$c) {
- return false;
- } else {
- $pkey = array();
- $pval = array();
- $types = $this->keyTypes();
- ksort($types);
- foreach ($types as $key => $type) {
- if ($type == 'K') {
- $pkey[] = $key;
- $pval[] = $this->$key;
- } else {
- $c->set($this->cacheKey($this->tableName(), $key, $this->$key), $this);
- }
- }
- # XXX: should work for both compound and scalar pkeys
- $pvals = implode(',', $pval);
- $pkeys = implode(',', $pkey);
- $c->set($this->cacheKey($this->tableName(), $pkeys, $pvals), $this);
- }
- }
-
- function decache() {
- $c = $this->memcache();
- if (!$c) {
- return false;
- } else {
- $pkey = array();
- $pval = array();
- $types = $this->keyTypes();
- ksort($types);
- foreach ($types as $key => $type) {
- if ($type == 'K') {
- $pkey[] = $key;
- $pval[] = $this->$key;
- } else {
- $c->delete($this->cacheKey($this->tableName(), $key, $this->$key));
- }
- }
- # should work for both compound and scalar pkeys
- # XXX: comma works for now but may not be safe separator for future keys
- $pvals = implode(',', $pval);
- $pkeys = implode(',', $pkey);
- $c->delete($this->cacheKey($this->tableName(), $pkeys, $pvals));
- }
- }
-
- function multicache($cls, $kv) {
- ksort($kv);
- $c = Memcached_DataObject::memcache();
- if (!$c) {
- return false;
- } else {
- $pkeys = implode(',', array_keys($kv));
- $pvals = implode(',', array_values($kv));
- return $c->get(Memcached_DataObject::cacheKey($cls, $pkeys, $pvals));
- }
- }
-
- function getSearchEngine($table) {
+ }
+
+ function getSearchEngine($table)
+ {
require_once INSTALLDIR.'/lib/search_engines.php';
static $search_engine;
if (!isset($search_engine)) {
@@ -191,4 +201,30 @@ class Memcached_DataObject extends DB_DataObject
}
return $search_engine;
}
+
+ static function cachedQuery($cls, $qry, $expiry=3600)
+ {
+ $c = Memcached_DataObject::memcache();
+ if (!$c) {
+ $inst = new $cls();
+ $inst->query($qry);
+ return $inst;
+ }
+ $key_part = common_keyize($cls).':'.md5($qry);
+ $ckey = common_cache_key($key_part);
+ $stored = $c->get($ckey);
+ if ($stored) {
+ return new ArrayWrapper($stored);
+ }
+
+ $inst = new $cls();
+ $inst->query($qry);
+ $cached = array();
+ while ($inst->fetch()) {
+ $cached[] = clone($inst);
+ }
+ $inst->free();
+ $c->set($ckey, $cached, MEMCACHE_COMPRESSED, $expiry);
+ return new ArrayWrapper($cached);
+ }
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-09 13:06:05 +0000