org.apache.derby.iapi.services.loader
Interface ClassFactory

All Known Implementing Classes:
DatabaseClasses

public interface ClassFactory

A class factory module to handle application classes and generated classes.


Method Summary
 ClassInspector getClassInspector()
          Return a ClassInspector object
 int getClassLoaderVersion()
          Return the in-memory "version" of the class manager.
 boolean isApplicationClass(java.lang.Class theClass)
          Was the passed in class loaded by a ClassManager.
 java.lang.Class loadApplicationClass(java.io.ObjectStreamClass classDescriptor)
          Load an application class, or a class that is potentially an application class.
 java.lang.Class loadApplicationClass(java.lang.String className)
          Load an application class, or a class that is potentially an application class.
 GeneratedClass loadGeneratedClass(java.lang.String fullyQualifiedName, ByteArray classDump)
          Add a generated class to the class manager's class repository.
 void notifyModifyClasspath(java.lang.String classpath)
          Notify the class manager that the classpath has been modified.
 void notifyModifyJar(boolean reload)
          Notify the class manager that a jar file has been modified.
 

Method Detail

loadGeneratedClass

public GeneratedClass loadGeneratedClass(java.lang.String fullyQualifiedName,
                                         ByteArray classDump)
                                  throws StandardException
Add a generated class to the class manager's class repository.

Throws:
StandardException - Standard Cloudscape error policy

getClassInspector

public ClassInspector getClassInspector()
Return a ClassInspector object


loadApplicationClass

public java.lang.Class loadApplicationClass(java.lang.String className)
                                     throws java.lang.ClassNotFoundException
Load an application class, or a class that is potentially an application class.

Throws:
java.lang.ClassNotFoundException - Class cannot be found

loadApplicationClass

public java.lang.Class loadApplicationClass(java.io.ObjectStreamClass classDescriptor)
                                     throws java.lang.ClassNotFoundException
Load an application class, or a class that is potentially an application class.

Throws:
java.lang.ClassNotFoundException - Class cannot be found

isApplicationClass

public boolean isApplicationClass(java.lang.Class theClass)
Was the passed in class loaded by a ClassManager.

Returns:
true if the class was loaded by a Cloudscape class manager, false it is was loaded by the system class loader, or another class loader.

notifyModifyJar

public void notifyModifyJar(boolean reload)
                     throws StandardException
Notify the class manager that a jar file has been modified.

Parameters:
reload - Restart any attached class loader
Throws:
StandardException - thrown on error

notifyModifyClasspath

public void notifyModifyClasspath(java.lang.String classpath)
                           throws StandardException
Notify the class manager that the classpath has been modified.

Throws:
StandardException - thrown on error

getClassLoaderVersion

public int getClassLoaderVersion()
Return the in-memory "version" of the class manager. The version is bumped everytime the classes are re-loaded.


Built on Tue 2006-10-10 19:23:47+0200, from revision exported

Apache Derby V10.1 Engine Documentation - Copyright © 1997,2005 The Apache Software Foundation or its licensors, as applicable.