/**
* This file is part of CloudML [ http://cloudml.org ]
*
* Copyright (C) 2012 - SINTEF ICT
* Contact: Franck Chauvel <franck.chauvel@sintef.no>
*
* Module: root
*
* CloudML is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* CloudML is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with CloudML. If not, see
* <http://www.gnu.org/licenses/>.
*/
package org.cloudml.core;
import org.cloudml.core.util.OwnedBy;
import org.cloudml.core.validation.Report;
import org.cloudml.core.visitors.Visitor;
/**
* Relationship between two InternalComponents
*/
public class Relationship extends WithResources implements DeploymentElement, OwnedBy<Deployment> {
private final OptionalOwner<Deployment> owner;
private RequiredPort requiredEnd;
private ProvidedPort providedEnd;
private Resource clientResource;
private Resource serverResource;
public Relationship(String name, RequiredPort requiredPort, ProvidedPort providedPort) {
super(name);
this.owner = new OptionalOwner<Deployment>();
setRequiredEnd(requiredPort);
setProvidedEnd(providedPort);
}
@Override
public Deployment getDeployment() {
return getOwner().get();
}
@Override
public String getQualifiedName() {
return String.format("%s%s%s", getOwner().getName(), CONTAINED, getName());
}
@Override
public OptionalOwner<Deployment> getOwner() {
return owner;
}
public RelationshipInstance instantiates(String name) {
throw new UnsupportedOperationException();
}
@Override
public void accept(Visitor visitor) {
visitor.visitRelationship(this);
}
@Override
public void validate(Report report) {
if (requiredEnd != null && providedEnd != null) {
if (requiredEnd.isLocal() && providedEnd.isRemote()) {
final String message = String.format(
"Illegal relationship (%s) between a local client (%s) and a remote server (%s)",
getName(),
requiredEnd.getQualifiedName(),
providedEnd.getQualifiedName()
);
report.addError(message);
}
if (requiredEnd.isRemote() && providedEnd.isLocal()) {
final String message = String.format(
"Illegal relationship (%s) between a remote client (%s) and a local server (%s)",
getName(),
requiredEnd.getQualifiedName(),
providedEnd.getQualifiedName());
report.addError(message);
}
}
}
public RelationshipInstance instantiates(RequiredPortInstance client, ProvidedPortInstance server) {
throw new UnsupportedOperationException();
}
public final void setRequiredEnd(RequiredPort port) {
rejectIfInvalid(port);
this.requiredEnd = port;
}
private void rejectIfInvalid(RequiredPort port) {
if (port == null) {
final String error = String.format("'null' is not a valid required end for relationship '%s'", getQualifiedName());
throw new IllegalArgumentException(error);
}
}
public final void setProvidedEnd(ProvidedPort port) {
rejectIfInvalid(port);
this.providedEnd = port;
}
private void rejectIfInvalid(ProvidedPort port) {
if (port == null) {
final String error = String.format("'null' is not a valid provided end for relationship '%s'", getQualifiedName());
throw new IllegalArgumentException(error);
}
}
public RequiredPort getRequiredEnd() {
return this.requiredEnd;
}
public InternalComponent getClientComponent() {
return this.requiredEnd.getOwner().get().asInternal();
}
public ProvidedPort getProvidedEnd() {
return this.providedEnd;
}
public Component getServerComponent() {
return this.providedEnd.getOwner().get();
}
public void setClientResource(Resource clientResource) {
this.clientResource = clientResource;
}
public Resource getClientResource() {
return clientResource;
}
public void setServerResource(Resource serverResource) {
this.serverResource = serverResource;
}
public Resource getServerResource() {
return serverResource;
}
@Override
public String toString() {
return requiredEnd + "->" + providedEnd;
}
@Override
public boolean equals(Object other) {
if (other == null) {
return false;
}
if (other instanceof Relationship) {
Relationship relationship = (Relationship) other;
return (requiredEnd.getName().equals(relationship.getRequiredEnd().getName()) && providedEnd.getName().equals(relationship.getProvidedEnd().getName()));
}
return false;
}
}