| /* |
| * Copyright (c) 1998, 2021 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, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // dmccann - June 4/2008 - 1.0M8 - Initial implementation |
| // dmccann - Nov. 7/2008 - Moved delegate key logic to SDOHelperContext |
| package org.eclipse.persistence.sdo.helper.delegates; |
| |
| import commonj.sdo.helper.HelperContext; |
| import commonj.sdo.impl.HelperProvider; |
| |
| /** |
| * Abstract class for SDO helper delegators. Delegates will shared on an application |
| * basis. This class will return the key to be used to store/retrieve the delegates |
| * for a given application. |
| */ |
| public abstract class AbstractHelperDelegator { |
| // Hold the context containing all helpers so that we can preserve inter-helper relationships |
| protected HelperContext aHelperContext; |
| |
| /** |
| * Default constructor. |
| */ |
| protected AbstractHelperDelegator() { |
| } |
| |
| /** |
| * Return the helperContext that this instance is associated with. |
| * This context contains all helpers. If null, the default context |
| * is returned. |
| * |
| * @return set helper context or, if null, the default context |
| * @see commonj.sdo.helper.HelperContext |
| * @see commonj.sdo.impl.HelperProvider |
| */ |
| public HelperContext getHelperContext() { |
| if (null == aHelperContext) { |
| aHelperContext = HelperProvider.getDefaultContext(); |
| } |
| return aHelperContext; |
| } |
| |
| /** |
| * INTERNAL: |
| * Set the helperContext that this instance is associated with. This context |
| * will contain all helpers, so inter-helper relationships are preserved. |
| * |
| * @param helperContext |
| * @see commonj.sdo.helper.HelperContext |
| */ |
| public void setHelperContext(HelperContext helperContext) { |
| aHelperContext = helperContext; |
| } |
| } |