/*
* 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.events;
import java.util.EventObject;
import java.util.List;
import org.apache.isis.applib.Identifier;
/**
* <i>Supported only by {@link org.apache.isis.applib.services.wrapper.WrapperFactory} service, </i> represents an interaction with a domain object or a particular feature
* (property, collection, action) of a domain object.
*
* <p>
* Many of the interactions are checks for {@link VisibilityEvent visibility},
* {@link UsabilityEvent usability} and {@link ValidityEvent validity}.
*
* @deprecated - superceded by <code>domainEvent</code> support ({@link org.apache.isis.applib.services.eventbus.PropertyDomainEvent}, {@link org.apache.isis.applib.IsisApplibModule.CollectionDomainEvent}, {@link org.apache.isis.applib.services.eventbus.ActionDomainEvent}).
*/
@Deprecated
public abstract class InteractionEvent extends EventObject {
private static final long serialVersionUID = 1L;
private final Identifier identifier;
private String reason;
private Class<?> advisorClass;
public InteractionEvent(final Object source, final Identifier identifier) {
super(source);
this.identifier = identifier;
}
/**
* The domain object (pojo) against which the interaction occurred.
*/
@Override
public Object getSource() {
return super.getSource();
}
/**
* The {@link Identifier} of the feature of the object being interacted
* with.
*
* <p>
* Will be consistent with the subclass of {@link InteractionEvent}. So for
* example a {@link PropertyModifyEvent} will have an {@link Identifier}
* that identifies the property being modified.
*
* @return
*/
public Identifier getIdentifier() {
return identifier;
}
/**
* As per {@link #getClassName()}, but naturalized.
*
* @see #getIdentifier
*/
public String getClassName() {
return identifier.getClassName();
}
/**
* Convenience method that returns the
* {@link Identifier#getClassNaturalName() natural class name} of the
* {@link #getIdentifier() identifier}.
*/
public String getClassNaturalName() {
return identifier.getClassNaturalName();
}
/**
* Convenience method that returns the {@link Identifier#getMemberName()
* member name} of the {@link #getIdentifier() identifier}.
*
* @see #getIdentifier
*/
public String getMemberName() {
return identifier.getMemberName();
}
/**
* As per {@link #getMemberName()}, but naturalized.
*/
public String getMemberNaturalName() {
return identifier.getMemberNaturalName();
}
/**
* Convenience method that returns the {@link Identifier#getClassName()
* class name} of the {@link #getIdentifier() identifier}.
*/
public List<String> getMemberParameterNames() {
return identifier.getMemberParameterNames();
}
/**
* As per {@link #getMemberParameterName()}, but naturalized.
*/
public List<String> getMemberParameterNaturalNames() {
return identifier.getMemberParameterNaturalNames();
}
/**
* The reason, if any, that this interaction may have been vetoed or
* otherwise disallowed.
*
* <p>
* Intended to be {@link #setExecuteIn(String) set} as a result of consulting
* one of the facets.
*
* @return
*/
public String getReason() {
return reason;
}
/**
* The reason message, if any, that this interaction may have been vetoed or
* otherwise disallowed.
*
* <p>
* This message should be overridden by subclasses for containing the Reason, the Identifier and any other relevant context information.
*
* @return
*/
public String getReasonMessage() {
if (this.getIdentifier() != null) {
return String.format("Reason: %s. Identifier: %s", this.getReason(), this.getIdentifier());
} else {
return String.format("Reason: %s", this.getReason());
}
}
/**
* The class of the (first) advisor, if any, that provided the
* {@link #getReason() reason} that this interaction is {@link #isVeto()
* vetoed}.
*
* @return
*/
public Class<?> getAdvisorClass() {
return advisorClass;
}
/**
* Specify the {@link #getReason() reason} that this interaction has been
* vetoed and the {@link #getAdvisorClass() class of the advisor} that did
* the veto.
*/
public void advised(final String reason, final Class<?> advisorClass) {
this.reason = reason;
this.advisorClass = advisorClass;
}
/**
* Whether this interaction has been vetoed (meaning that
* {@link #getReason()} and {@link #getAdvisorClass()} will both be non-
* <tt>null</tt> and the {@link #getReason() reason} non-empty.)
*
* <p>
* The interpretation of this depends on the subclass:
* <ul>
* <li>for {@link VisibilityEvent}, a veto means that the feature (property,
* collection, action) is hidden</li>
* <li>for {@link UsabilityEvent}, a veto means that the feature is disabled
* </li>
* <li>for {@link ValidityEvent}, a veto means that the proposed
* modification (property value, object added/removed, action argument) is
* invalid</li>
* </ul>
*/
public boolean isVeto() {
return getReason() != null && getReason().length() > 0;
}
}