/*
* 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.viewer.wicket.model.mementos;
import java.io.Serializable;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.ObjectAction;
import org.apache.isis.core.metamodel.spec.feature.ObjectActionParameter;
/**
* {@link Serializable} representation of a {@link ObjectActionParameter parameter}
* of a {@link ObjecObjectAction}.
*
* @see ActionMemento
*/
public class ActionParameterMemento implements Serializable {
private static final long serialVersionUID = 1L;
private final ActionMemento actionMemento;
private final int number;
private transient ObjectActionParameter actionParameter;
public ActionParameterMemento(final ActionMemento actionMemento, final int number) {
this(actionMemento, number, actionParameterFor(actionMemento, number));
}
public ActionParameterMemento(final ObjectActionParameter actionParameter) {
this(new ActionMemento(actionParameter.getAction()), actionParameter.getNumber(), actionParameter);
}
private ActionParameterMemento(
final ActionMemento actionMemento,
final int number,
final ObjectActionParameter actionParameter) {
this.actionMemento = actionMemento;
this.number = number;
this.actionParameter = actionParameter;
}
public ActionMemento getActionMemento() {
return actionMemento;
}
public int getNumber() {
return number;
}
public ObjectActionParameter getActionParameter() {
if (actionParameter == null) {
this.actionParameter = actionParameterFor(actionMemento, number);
}
return actionParameter;
}
private static ObjectActionParameter actionParameterFor(ActionMemento actionMemento, int number) {
final ObjectAction action = actionMemento.getAction();
return action.getParameters().get(number);
}
/**
* Convenience.
*/
public ObjectSpecification getSpecification() {
return getActionParameter().getSpecification();
}
}