The methods defined in the Class class are summarized in the following table.
| Method | Description |
|---|---|
| addDynamicProperty | Adds and returns a new dynamic property to a specified dynamic property cluster in the receiving class |
| addDynamicPropertyCluster | Adds and returns a new dynamic property cluster to the receiving class |
| allInstancesInPartition | Fills an array with instances of the receiver class stored in the specified database partition |
| allInstances | Fills an array with all persistent instances of the receiver class and its subclasses |
| allLocalSubclasses | Adds all subclasses in the current schema of the receiver to a collection |
| allProcessTransientInstances | Fills an array with all transient instances of the receiver class created by the current process |
| allProperties | Returns all properties of the class |
| allPropertiesUpTo | Returns all properties of superclasses of the receiver up to the specified class |
| allSharedTransientInstances | Fills an array with all shared transient instances of the receiver class |
| allSubclasses | Adds all subclasses in the current schema to a collection |
| allSubclassesInSubschemas | Adds all subclasses in subschemas of the receiver to a collection |
| allSubclassesUpToSchema | Adds all subclasses of the receiver up to those in the specified schema to a collection |
| allSuperclassesUpTo | Adds all superclasses of the receiver up to those in the specified class to a collection |
| anyInstance | Returns true if any instances of the receiver class exist |
| causeClassEvent | Causes a class event |
| compactDynamicPropertyClusters | Compacts dynamic property clusters in which dynamic property instances were deleted |
| countPersistentInstances | Returns the number of non-exclusive persistent instances of the receiver class |
| countPersistentInstances64 | Returns the number of non-exclusive persistent instances of the receiver class as an |
| countPersistentInstancesLim64 | Returns the number of non-exclusive persistent instances of the receiver class up to a specified limit as an |
| countPersistentInstancesLimit | Returns the number of non-exclusive persistent instances of the receiver class up to a specified limit |
| createPartition | Creates a new empty database partition and returns the partition identifier |
| deleteDynamicProperty | Deletes a dynamic property from a cluster in the receiving class |
| deleteDynamicPropertyCluster | Deletes a dynamic property cluster from the receiving class |
| findConstant | Returns the constant with the specified name from the receiver class |
| findDynamicPropertyCluster | Returns the dynamic property cluster with the specified name from the class of the receiver |
| findLocalSubclass | Returns the subclass with the specified name from the current schema |
| findMethodInSubclasses | Returns the method with the specified name from all subclasses |
| findProperty | Returns the property with the specified name |
| findPropertyInSubClasses | Returns the property with the specified name from all subclasses |
| firstInstance | Returns the first persistent instance of the class |
| firstProcessTransientInstance | Returns the first transient instance of the class in the current process |
| firstSharedTransientInstance | Returns the first shared transient instance of the class |
| getConstantInHTree | Returns the constant with the specified name |
| getDbFile | Returns the database file to which the class is mapped |
| getImplementors | Adds the classes from all schemas in the hierarchy that implement the specified method to a collection |
| getMethodInHTree | Returns the method with the specified name |
| getNextSubClasses | Adds the classes that are subclasses of the current class from the specified collection to a collection |
| getProperties | Returns the properties of the class of the receiver |
| getProperty | Returns the specified property from the class of the receiver |
| getPropertyInHTree | Returns the property with the specified name |
| getRpsMappingRefs | Adds RPS mappings (instances of the |
| getSubclass | Returns the subclass of the specified receiver |
| getSubclasses | Adds all subclasses of the receiver class to a collection |
| getSubclassesUpToSchema | Adds all subclasses of the receiver up to those in the specified schema to a collection |
| getSuperclass | Returns the superclass of the receiver in the highest level of the schema hierarchy |
| hasInstance | Returns true if an instance of the class exists |
| hasRpsReferences | Returns true if the receiver is referenced by one or more RPS mappings |
| hasSubclasses | Returns true if the class has subclasses |
| implementsInterface | Returns true if the receiver class implements the specified interface |
| instancesExist | Returns true if any instances of the class or its subclasses exist |
| lastInstance | Returns the last persistent instance of an object in the class |
| lastProcessTransientInstance | Returns the last transient instance of an object in the class in the current process |
| lastSharedTransientInstance | Returns the last shared transient instance of an object in the class |
| needsReorg | Returns true if the class requires reorganization |
| resynchInstances | Discards the replicas of instances of the class |
| withAllSubclasses | Adds all subclasses of the receiver class to a collection |
| withAllSuperclasses | Adds all superclasses of the receiver class to a collection |