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Expose two methods to retrieve the standard prefixing strategies used for commands accepting single or multiple keys.

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This commit is contained in:
Daniele Alessandri
2011-05-03 21:59:43 +02:00
parent 4fc87fa161
commit 859ee35c68
1 changed files with 19 additions and 15 deletions
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lib/Predis/Commands/Preprocessors/KeyPrefixPreprocessor.php
+19 -15
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@@ -28,19 +28,6 @@ class KeyPrefixPreprocessor implements ICommandPreprocessor {
}
protected function getPrefixStrategies() {
$singleKey = function(&$arguments, $prefix) {
$arguments[0] = "$prefix{$arguments[0]}";
};
$multiKeys = function(&$arguments, $prefix) {
if (count($arguments) === 1 && is_array($arguments[0])) {
$arguments = &$arguments[0];
}
foreach ($arguments as &$key) {
$key = "$prefix$key";
}
};
$skipLast = function(&$arguments, $prefix) {
$length = count($arguments);
for ($i = 0; $i < $length - 1; $i++) {
@@ -135,8 +122,8 @@ class KeyPrefixPreprocessor implements ICommandPreprocessor {
);
return array_merge(
array_fill_keys($cmdSingleKey, $singleKey),
array_fill_keys($cmdMultiKeys, $multiKeys),
array_fill_keys($cmdSingleKey, $this->getSingleKeyStrategy()),
array_fill_keys($cmdMultiKeys, $this->getMultipleKeysStrategy()),
array(
'blpop' => $skipLast, 'blpop' => $skipLast, 'brpoplpush' => $skipLast, 'smove' => $skipLast,
'mset' => $interleavedKeys, 'msetnx' => $interleavedKeys,
@@ -155,6 +142,23 @@ class KeyPrefixPreprocessor implements ICommandPreprocessor {
$this->_strategies[$command] = $strategy;
}
public function getSingleKeyStrategy() {
return function(&$arguments, $prefix) {
$arguments[0] = "$prefix{$arguments[0]}";
};
}
public function getMultipleKeysStrategy() {
return function(&$arguments, $prefix) {
if (count($arguments) === 1 && is_array($arguments[0])) {
$arguments = &$arguments[0];
}
foreach ($arguments as &$key) {
$key = "$prefix$key";
}
};
}
public function getPrefixStrategy($command) {
if (isset($this->_strategies[$command])) {
return $this->_strategies[$command];