/*
* 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.ObjectSpecId;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
import org.apache.isis.core.runtime.system.session.IsisSessionFactory;
import org.apache.isis.viewer.wicket.model.models.EntityModel;
public class PropertyMemento implements Serializable {
private static final long serialVersionUID = 1L;
private static ObjectSpecification owningSpecFor(
final OneToOneAssociation property,
final IsisSessionFactory isisSessionFactory) {
final SpecificationLoader specificationLoader = isisSessionFactory.getSpecificationLoader();
return specificationLoader.loadSpecification(property.getIdentifier().toClassIdentityString());
}
private final ObjectSpecId owningSpecId;
private final String identifier;
private final ObjectSpecId specId;
public PropertyMemento(
final OneToOneAssociation property, final IsisSessionFactory isisSessionFactory) {
this(
owningSpecFor(property, isisSessionFactory).getSpecId(),
property.getIdentifier().toNameIdentityString(),
property.getSpecification().getSpecId()
);
}
private PropertyMemento(
final ObjectSpecId owningSpecId,
final String name,
final ObjectSpecId specId) {
this.owningSpecId = owningSpecId;
this.identifier = name;
this.specId = specId;
}
public ObjectSpecId getOwningType() {
return owningSpecId;
}
public ObjectSpecId getType() {
return specId;
}
public String getIdentifier() {
return identifier;
}
public OneToOneAssociation getProperty(final SpecificationLoader specificationLoader) {
return propertyFor(owningSpecId, identifier, specificationLoader);
}
private static OneToOneAssociation propertyFor(
ObjectSpecId owningType,
String identifier,
final SpecificationLoader specificationLoader) {
return (OneToOneAssociation) SpecUtils.getSpecificationFor(owningType, specificationLoader).getAssociation(identifier);
}
/**
* Value semantics so can use as a key in {@link EntityModel} hash.
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((identifier == null) ? 0 : identifier.hashCode());
return result;
}
/**
* Value semantics so can use as a key in {@link EntityModel} hash.
*/
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final PropertyMemento other = (PropertyMemento) obj;
if (identifier == null) {
if (other.identifier != null) {
return false;
}
} else if (!identifier.equals(other.identifier)) {
return false;
}
return true;
}
@Override
public String toString() {
return getOwningType().asString() + "#" + getIdentifier();
}
}