- /**
- * Generate unique ID from a lot entropy
- *
- * @return void
- */
- public final function generateUniqueId () {
- // Is the id set for this class?
- if (empty($this->uniqueID)) {
-
- // Correct missing class name
- $corrected = false;
- if ($this->__toString() == "") {
- $this->setRealClass(__CLASS__);
- $corrected = true;
- }
-
- // Cache datbase instance
- $db = $this->getDatabaseInstance();
-
- // Generate new id
- $tempID = false;
- while (true) {
- // Generate a unique ID number
- $tempID = $this->generateIdNumber();
- $isUsed = false;
-
- // Try to figure out if the ID number is not yet used
- try {
- // Is this a registry?
- if ($this->__toString() == "Registry") {
- // Registry, then abort here
- break;
- } elseif (is_object($db)) {
- $isUsed = $db->isUniqueIdUsed($tempID, true);
- }
- } catch (FrameworkException $e) {
- // Catches all and ignores all ;-)
- }
-
- if (
- (
- $tempID !== false
- ) && (
- (
- $db === null
- ) || (
- (
- is_object($db)
- ) && (
- !$isUsed
- )
- )
- )
- ) {
- // Abort the loop
- break;
- }
- } // END - while
-
- // Apply the new ID
- $this->setUniqueID($tempID);
-
- // Revert maybe corrected class name
- if ($corrected) {
- $this->setRealClass("");
- }
-
- // Remove system classes if we are in a system class
- if ((isset($this->systemClasses)) && (in_array($this->__toString(), $this->systemClasses))) {
- // This may save some RAM...
- $this->removeSystemArray();
- }
- }
- }
-
- /**
- * Generates a new ID number for classes based from the class' real name,
- * the description and some random data
- *
- * @return $tempID The new (temporary) ID number
- */
- private final function generateIdNumber () {
- return sprintf("%s@%s",
- $this->__toString(),
- md5(sprintf("%s:%s:%s:%s:%s:%s",
- $this->__toString(),
- $this->getObjectDescription(),
- time(),
- getenv('REMOTE_ADDR'),
- getenv('SERVER_ADDR'),
- mt_rand()
- ))
- );
- }
-
- /**
- * Setter for unique ID
- *
- * @param $uniqueID The newly generated unique ID number
- * @return void
- */
- private final function setUniqueID ($uniqueID) {
- // Cast to string
- $uniqueID = (string) $uniqueID;
-
- // Set the ID number
- $this->uniqueID = $uniqueID;
- }
-
- /**
- * Getter for unique ID
- *
- * @return $uniqueID The unique ID of this class
- */
- public final function getUniqueID () {
- return $this->uniqueID;
- }
-
- /**
- * Resets or recreates the unique ID number
- *
- * @return void
- */
- public final function resetUniqueID() {
- // Sweet and simple... ;-)
- $newUniqueID = $this->generateIdNumber();
- $this->setUniqueID($newUniqueID);
- }
-
- /**
- * Getter for simulator description
- *
- * @return $objectDescription The description of this simulation part
- */
- public final function getObjectDescription () {
- return $this->objectDescription;
- }
-
- /**
- * Setter for simulation part description
- *
- * @param $objectDescription The description as string for this simulation part
- * @return void
- */
- public final function setObjectDescription ($objectDescription) {
- $this->objectDescription = (String) $objectDescription;
- }
-
- /**
- * Validate if given object is the same as current
- *
- * @param $object An object instance for comparison with this class
- * @return boolean The result of comparing both's unique ID
- */
- public final function equals (FrameworkInterface $object) {
- return ($this->getUniqueID() == $object->getUniqueID());
- }
-
projects / shipsimu.git / commitdiff