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Java Source | 1998-03-20 | 3.4 KB | 111 lines |
- /*
- * @(#)BeanContextChild.java 1.9 98/03/18
- *
- * Copyright 1997, 1998 by Sun Microsystems, Inc.,
- * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
- * All rights reserved.
- *
- * This software is the confidential and proprietary information
- * of Sun Microsystems, Inc. ("Confidential Information"). You
- * shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement
- * you entered into with Sun.
- */
-
- package java.beans.beancontext;
-
- import java.beans.PropertyChangeListener;
- import java.beans.VetoableChangeListener;
- import java.beans.PropertyVetoException;
-
- import java.beans.beancontext.BeanContext;
-
- /**
- * <p>
- * JavaBeans wishing to be nested within, and obtain a reference to their
- * execution environment, or context, as defined by the BeanContext
- * sub-interface shall implement this interface.
- * </p>
- * <p>
- * Conformant BeanContexts shall as a side effect of adding a BeanContextChild
- * object shall pass a reference to itself via the setBeanContext() method of
- * this interface.
- * </p>
- * <p>
- * Note that a BeanContextChild may refuse a change in state by throwing
- * PropertyVetoedException in response.
- * </p>
- * <p>
- * In order for persistence mechanisms to function properly on BeanContextChild
- * instances across a broad variety of scenarios, implementing classes of this
- * interface are required to define as transient, any or all fields, or
- * instance variables, that may contain, or represent, references to the
- * nesting BeanContext instance, Delegates indirectly obtained via the nesting
- * BeanContext's java.util.Aggregate interface, or other resources obtained
- * from the BeanContext via any unspecified mechanisms.
- * </p>
- *
- * @author Laurence P. G. Cable
- * @version 1.9
- * @since JDK1.2
- *
- * @seealso java.beans.beancontext.BeanContext
- * @seealso java.beans.PropertyChangeEvent
- * @seealso java.beans.PropertyChangeListener
- * @seealso java.beans.PropertyVetoEvent
- * @seealso java.beans.PropertyVetoListener
- * @seealso java.beans.PropertyVetoException
- */
-
- public interface BeanContextChild {
-
- /**
- * <p>
- * Objects that implement this interface,
- * shall fire a java.beans.PropertyChangeEvent, with parameters:
- *
- * @param propertyName "beanContext"
- * @param oldValue the previous nesting BeanContext instance, or null
- * @param newValue the current nesting BeanContext instance, or null
- * </p>
- * <p>
- * A change in the value of the nesting BeanContext property of this
- * BeanContextChild may be vetoed by throwing the appropriate exception.
- * </p>
- */
-
-
- void setBeanContext(BeanContext bc) throws PropertyVetoException;
-
- /**
- * @returns the current BeanContext associated with the JavaBean
- */
-
- BeanContext getBeanContext();
-
- /**
- * add a property change listener to this bean child
- */
-
- void addPropertyChangeListener(String name, PropertyChangeListener pcl);
-
- /**
- * remove a property change listener to this bean child
- */
-
- void removePropertyChangeListener(String name, PropertyChangeListener pcl);
-
- /**
- * add a vetoable change listener to this child
- */
-
- void addVetoableChangeListener(String name, VetoableChangeListener vcl);
-
- /**
- * remove a vetoable change listener to this child
- */
-
- void removeVetoableChangeListener(String name, VetoableChangeListener vcl);
-
- }
-