/*
* 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 CollectionDomainEvent<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.Collection#domainEvent()} annotation attribute. Whether this
* raises an event or not depends upon the "isis.reflector.facet.collectionAnnotation.domainEvent.postForDefault"
* configuration property.
*/
public static class Default extends CollectionInteractionEvent<Object, Object> {
private static final long serialVersionUID = 1L;
public Default(){}
@Deprecated
public Default(
final Object source,
final Identifier identifier,
final Of of,
final Object value) {
super(source, identifier, of, value);
}
}
//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 CollectionInteractionEvent<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 CollectionInteractionEvent<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 CollectionDomainEvent() {
}
/**
* @deprecated - the {@link #CollectionDomainEvent() no-arg constructor} is recommended instead, to reduce boilerplate.
*/
@Deprecated
public CollectionDomainEvent(
final S source,
final Identifier identifier,
final Of of) {
super(source, identifier);
this.of = of;
}
/**
* @deprecated - the {@link #CollectionDomainEvent() no-arg constructor} is recommended instead, to reduce boilerplate.
*/
@Deprecated
public CollectionDomainEvent(
final S source,
final Identifier identifier,
final Of of,
final T value) {
this(source, identifier, of);
this.value = value;
}
//endregion
//region > value
private T value;
/**
* The proposed reference to either add or remove (per {@link #getOf()}), populated at {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#VALIDATE}
* and subsequent phases (is 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 getValue() {
return value;
}
/**
* Not API, set by the framework.
*/
public void setValue(T value) {
this.value = value;
}
//endregion
//region > Of
public static enum Of {
/**
* The collection is being accessed
* ({@link org.apache.isis.applib.services.eventbus.AbstractInteractionEvent.Phase#HIDE hide} and
* {@link org.apache.isis.applib.services.eventbus.AbstractInteractionEvent.Phase#DISABLE disable}) checks.
*/
ACCESS,
/**
* The collection is being added to
* ({@link org.apache.isis.applib.services.eventbus.AbstractInteractionEvent.Phase#VALIDATE validity} check and
* {@link org.apache.isis.applib.services.eventbus.AbstractInteractionEvent.Phase#EXECUTED execution}).
*/
ADD_TO,
/**
* The collection is being removed from
* ({@link org.apache.isis.applib.services.eventbus.AbstractInteractionEvent.Phase#VALIDATE validity} check and
* {@link org.apache.isis.applib.services.eventbus.AbstractInteractionEvent.Phase#EXECUTED execution}).
*/
REMOVE_FROM
}
private Of of;
public Of getOf() {
return of;
}
/**
* Not API; updates from {@link Of#ACCESS} to either {@link Of#ADD_TO} or {@link Of#REMOVE_FROM} when hits the
* {@link org.apache.isis.applib.services.eventbus.AbstractDomainEvent.Phase#VALIDATE validation phase}.
*/
public void setOf(Of of) {
this.of = of;
}
//endregion
//region > toString
@Override
public String toString() {
return ObjectContracts.toString(this, "source,identifier,phase,of,value");
}
//endregion
}