+
+ /**
+ * Generates a generic hash code of this class. You should really overwrite
+ * this method with your own hash code generator code. But keep KISS in mind.
+ *
+ * @return $hashCode A generic hash code respresenting this whole class
+ */
+ public function hashCode () {
+ // Simple hash code
+ return crc32($this->__toString());
+ }
+
+ /**
+ * Checks wether the given PHP extension is loaded
+ *
+ * @param $phpExtension The PHP extension we shall check
+ * @return $isLoaded Wether the PHP extension is loaded
+ */
+ public final function isPhpExtensionLoaded ($phpExtension) {
+ // Is it loaded?
+ $isLoaded = in_array($phpExtension, get_loaded_extensions());
+
+ // Return result
+ return $isLoaded;
+ }
+
+ /**
+ * Setter for RNG instance
+ *
+ * @param $rngInstance An instance of a random number generator (RNG)
+ * @return void
+ */
+ protected final function setRngInstance (RandomNumberGenerator $rngInstance) {
+ $this->rngInstance = $rngInstance;
+ }
+
+ /**
+ * Getter for RNG instance
+ *
+ * @return $rngInstance An instance of a random number generator (RNG)
+ */
+ public final function getRngInstance () {
+ return $this->rngInstance;
+ }
+
+ /**
+ * Setter for Iterator instance
+ *
+ * @param $iteratorInstance An instance of an Iterator
+ * @return void
+ */
+ protected final function setIteratorInstance (Iterator $iteratorInstance) {
+ $this->iteratorInstance = $iteratorInstance;
+ }
+
+ /**
+ * Getter for Iterator instance
+ *
+ * @return $iteratorInstance An instance of an Iterator
+ */
+ public final function getIteratorInstance () {
+ return $this->iteratorInstance;
+ }
+
+ /**
+ * "Getter" as a time() replacement but with milliseconds. You should use this
+ * method instead of the encapsulated getimeofday() function.
+ *
+ * @return $milliTime Timestamp with milliseconds
+ */
+ public function getMilliTime () {
+ // Get the time of day as float
+ $milliTime = gettimeofday(true);
+
+ // Return it
+ return $milliTime;
+ }
+
+ /**
+ * Idles (sleeps) for given milliseconds
+ *
+ * @return $hasSlept Wether it goes fine
+ */
+ public function idle ($milliSeconds) {
+ // Sleep is fine by default
+ $hasSlept = true;
+
+ // Idle so long with found function
+ if (function_exists('time_sleep_until')) {
+ // Get current time and add idle time
+ $sleepUntil = $this->getMilliTime() + abs($milliSeconds) / 1000;
+
+ // New PHP 5.1.0 function found
+ $hasSlept = time_sleep_until($sleepUntil);
+ } else {
+ // My Sun Station doesn't have that function even with latest PHP
+ // package. :(
+ usleep($milliSeconds * 1000);
+ }
+
+ // Return result
+ return $hasSlept;
+ }