Interface ObjectFactory

Known Subinterfaces:
Known Implementing Classes:
corbanameURLContextFactory, rmiURLContextFactory

public interface ObjectFactory

Represents a factory for creating the object. ObjectFactory performs the operation, that is the opposite to the operation, performed by the StateFactory. Classes, implementing this interface, must be public and have public parameterless constructor.

Method Summary

getObjectInstance(Object refObj, Name name, Context nameCtx, Hashtable environment)
Creates the object, using the specified name and location information.

Method Details


public Object getObjectInstance(Object refObj,
                                Name name,
                                Context nameCtx,
                                Hashtable environment)
            throws Exception
Creates the object, using the specified name and location information. The call of this method must be thread safe.
refObj - may provide the reference and location information. Can be null.
name - the name of the new object in the scope of the specified naming context. Can be null if the name is not specified.
nameCtx - the context, in which the object name is specified. Can be null if the name is specified in the scope of the default initial context.
environment - the properties, providing additional information on how to create an object. Can be null if not additional information is provided.
the newly created object or null if the object cannot be created
Exception - if this factory suggest not to try creating of this object by other alternative factories
See Also:
NamingManager.getObjectInstance(Object, Name, Context, Hashtable) -- Copyright (C) 2001, 2004, 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.