/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.applib.services.eventbus;
import org.apache.isis.applib.Identifier;
import org.apache.isis.applib.util.ObjectContracts;
public abstract class PropertyDomainEvent<S,T> extends AbstractInteractionEvent<S> {
private static final long serialVersionUID = 1L;
//region > Default class
/**
* This class is the default for the
* {@link org.apache.isis.applib.annotation.Property#domainEvent()} annotation attribute. Whether this
* raises an event or not depends upon the "isis.reflector.facet.propertyAnnotation.domainEvent.postForDefault"
* configuration property.
*/
public static class Default extends PropertyInteractionEvent<Object, Object> {
private static final long serialVersionUID = 1L;
public Default(){}
@Deprecated
public Default(Object source, Identifier identifier, Object oldValue, Object newValue) {
super(source, identifier, oldValue, newValue);
}
}
//endregion
//region > Noop class
/**
* Convenience class to use indicating that an event should <i>not</i> be posted (irrespective of the configuration
* property setting for the {@link Default} event.
*/
public static class Noop extends PropertyInteractionEvent<Object, Object> {
private static final long serialVersionUID = 1L;
}
//endregion
//region > Doop class
/**
* Convenience class meaning that an event <i>should</i> be posted (irrespective of the configuration
* property setting for the {@link Default} event..
*/
public static class Doop extends PropertyInteractionEvent<Object, Object> {
private static final long serialVersionUID = 1L;
}
//endregion
//region > constructors
/**
* If used then the framework will set state via (non-API) setters.
*
* <p>
* Recommended because it reduces the amount of boilerplate in the domain object classes.
* </p>
*/
public PropertyDomainEvent() {
}
/**
* @deprecated - the {@link #PropertyDomainEvent() no-arg constructor} is recommended instead, to reduce boilerplate.
*/
@Deprecated
public PropertyDomainEvent(
final S source,
final Identifier identifier) {
super(source, identifier);
}
/**
* @deprecated - the {@link #PropertyDomainEvent() no-arg constructor} is recommended instead, to reduce boilerplate.
*/
@Deprecated
public PropertyDomainEvent(
final S source,
final Identifier identifier,
final T oldValue, final T newValue) {
this(source, identifier);
this.oldValue = oldValue;
this.newValue = newValue;
}
//endregion
//region > oldValue
private T oldValue;
/**
* The current (pre-modification) value of the property; populated at {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#VALIDATE} and subsequent phases
* (but null for {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#HIDE hidden} and {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#DISABLE disable} phases).
*/
public T getOldValue() {
return oldValue;
}
/**
* Not API; for framework use only.
*/
public void setOldValue(T oldValue) {
this.oldValue = oldValue;
}
//endregion
//region > newValue
private T newValue;
/**
* The proposed (post-modification) value of the property; populated at {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#VALIDATE} and subsequent phases
* (but null for {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#HIDE hidden} and {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#DISABLE disable} phases).
*/
public T getNewValue() {
return newValue;
}
/**
* Not API; for framework use only.
*/
public void setNewValue(T newValue) {
this.newValue = newValue;
}
//endregion
//region > toString
@Override
public String toString() {
return ObjectContracts.toString(this, "source,identifier,phase,oldValue,newValue");
}
//endregion
}