/**
* 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.builders;
import org.cloudml.core.*;
import static org.cloudml.core.builders.Commons.*;
public class RelationshipBuilder extends WithResourcesBuilder<Relationship, RelationshipBuilder> implements SubPartBuilder<Deployment> {
private String clientName;
private String clientPortName;
private String serverName;
private String serverPortName;
private ResourceBuilder clientResource;
private ResourceBuilder serverResource;
public RelationshipBuilder() {
clientName = "default client component";
clientPortName = "default client port";
serverName = "default server component";
serverPortName = "default server port";
}
public RelationshipBuilder from(String componentName, String requiredPortName) {
clientName = componentName;
clientPortName = requiredPortName;
return next();
}
public RelationshipBuilder to(String componentName, String providedPortName) {
serverName = componentName;
serverPortName = providedPortName;
return next();
}
@Override
public Relationship build() {
final Relationship relationship = new Relationship(
getName(),
aRequiredPort().named(clientPortName).build(),
aProvidedPort().named(serverPortName).build());
if(clientResource != null)
relationship.setClientResource(clientResource.build());
if(serverResource != null)
relationship.setServerResource(serverResource.build());
super.prepare(relationship);
return relationship;
}
@Override
protected RelationshipBuilder next() {
return this;
}
@Override
public void integrateIn(Deployment container) {
final Relationship relationship = new Relationship(getName(), findClientPort(container), findServerPort(container));
if(clientResource != null)
relationship.setClientResource(clientResource.build());
if(serverResource != null)
relationship.setServerResource(serverResource.build());
super.prepare(relationship);
container.getRelationships().add(relationship);
relationship.getOwner().set(container);
}
private InternalComponent findClient(Deployment container) throws IllegalStateException {
final InternalComponent client = container.getComponents().onlyInternals().firstNamed(clientName);
if (client == null) {
final String error = String.format("type '%s' not found",clientName);
throw new IllegalStateException(formatError(error));
}
return client;
}
private String formatError(String issue) {
return String.format("Unable to create relationship instance '%s'! (%s)", getName(), issue);
}
private RequiredPort findClientPort(Deployment container) throws IllegalStateException {
final RequiredPort clientPort = findClient(container).getRequiredPorts().firstNamed(clientPortName);
if (clientPort == null) {
final String error = String.format("required port '%s::%s' not found!", clientName, clientPortName);
throw new IllegalStateException(formatError(error));
}
return clientPort;
}
private Component findServer(Deployment container) throws IllegalStateException {
final Component server = container.getComponents().firstNamed(serverName);
if (server == null) {
final String error = String.format("component type '%s' not found", serverName);
throw new IllegalStateException(formatError(error));
}
return server;
}
private ProvidedPort findServerPort(Deployment container) throws IllegalStateException {
final ProvidedPort serverPort = findServer(container).getProvidedPorts().firstNamed(serverPortName);
if (serverPort == null) {
final String error = String.format("provided port '%s::%s' not found", serverName, serverPortName);
throw new IllegalStateException(formatError(error));
}
return serverPort;
}
public RelationshipBuilder withClientResource(ResourceBuilder builder) {
this.clientResource=builder;
return next();
}
public RelationshipBuilder withServerResource(ResourceBuilder builder) {
this.serverResource=builder;
return next();
}
}