jakarta.ejb.EJBLocalObject Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.ejb;
/**
* The EJBLocalObject interface must be extended by all enterprise beans' local
* interfaces. An enterprise bean's local interface provides the local client
* view of an enterprise bean object. An enterprise bean's local interface defines
* the business methods callable by local clients.
*
* The enterprise bean's local interface is defined by the enterprise
* bean provider and implemented by the enterprise bean container.
*
*
* Enterprise beans written to the EJB 3.0 and later APIs do not require
* a local interface that extends the EJBLocalObject interface. A local
* business interface can be used instead.
*
* @since EJB 2.0
*/
public interface EJBLocalObject {
/**
* Obtain the enterprise bean's local home interface. The local home
* interface defines the enterprise bean's create, finder, remove,
* and home business methods that are available to local clients.
*
* @return A reference to the enterprise bean's local home interface.
*
* @exception EJBException Thrown when the method failed due to a
* system-level failure.
*
*/
public EJBLocalHome getEJBLocalHome() throws EJBException;
/**
* Obtain the primary key of the enterprise bean local object.
*
*
This method can be called on an entity bean.
* An attempt to invoke this method on a session bean will result in
* an EJBException.
*
*
Note: Support for entity beans is optional as of EJB 3.2.
*
* @return The enterprise bean local object's primary key.
*
* @exception EJBException Thrown when the method failed due to a
* system-level failure or when invoked on a session bean.
*
*/
public Object getPrimaryKey() throws EJBException;
/**
* Remove the enterprise bean local object.
*
* @exception RemoveException The enterprise bean or the container
* does not allow destruction of the object.
*
* @exception EJBException Thrown when the method failed due to a
* system-level failure.
*
*/
public void remove() throws RemoveException, EJBException;
/**
* Test if a given enterprise bean local object is identical to the invoked enterprise bean
* local object.
*
* @param obj An object to test for identity with the invoked object.
*
* @return True if the given enterprise bean local object is identical to the
* invoked object, false otherwise.
*
*
* @exception EJBException Thrown when the method failed due to a
* system-level failure.
*
*/
boolean isIdentical(EJBLocalObject obj) throws EJBException;
}