/******************************************************************************* * Copyright (c) 1998, 2015 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 v1.0 and Eclipse Distribution License v. 1.0 * which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * Oracle - initial API and implementation from Oracle TopLink ******************************************************************************/ package org.eclipse.persistence.testing.models.performance.toplink; import org.eclipse.persistence.indirection.*; /** * <b>Purpose</b>: Abstract superclass for Large & Small projects in Employee Demo * <p><b>Description</b>: Project is an example of an abstract superclass. It demonstrates how class inheritance can be mapped to database tables. * It's subclasses are concrete and may or may not add columns through additional tables. The PROJ_TYPE field in the * database table indicates which subclass to instantiate. Projects are involved in a M:M relationship with employees. * The Employee classs maintains the definition of the relation table. * @see LargeProject * @see SmallProject */ public abstract class Project extends org.eclipse.persistence.testing.models.performance.Project { public ValueHolderInterface teamLeaderHolder; public Project() { super(); this.teamLeaderHolder = new ValueHolder(); } public org.eclipse.persistence.testing.models.performance.Employee getTeamLeader() { return (Employee)teamLeaderHolder.getValue(); } public void setTeamLeader(org.eclipse.persistence.testing.models.performance.Employee teamLeader) { this.teamLeaderHolder.setValue(teamLeader); } }