/**
* 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.actions;
import org.cloudml.core.*;
import org.cloudml.core.builders.InternalComponentInstanceBuilder;
import static org.cloudml.core.builders.Commons.*;
public class Install extends AbstractAction<InternalComponentInstance> {
private final InternalComponent type;
private final ComponentInstance<? extends Component> host;
public Install(StandardLibrary library, InternalComponent type, ComponentInstance<? extends Component> host) {
super(library);
this.type = rejectIfInvalid(type);
this.host = rejectIfInvalid(host);
}
private InternalComponent rejectIfInvalid(InternalComponent type) {
if (type == null) {
throw new IllegalArgumentException("'null' is not a valid component type for installation");
}
return type;
}
private ComponentInstance<? extends Component> rejectIfInvalid(ComponentInstance<? extends Component> host) {
if (host == null) {
throw new IllegalArgumentException("'null' is not a valid destination for installation");
}
if (!host.canHost(type)) {
final String error = String.format("Illegal installation: '%s' cannot host component of type '%s'", host.getName(), type.getName());
throw new IllegalArgumentException(error);
}
return host;
}
@Override
public InternalComponentInstance applyTo(Deployment target) {
final String instanceName = getLibrary().createUniqueComponentInstanceName(target, type);
InternalComponentInstanceBuilder builder = anInternalComponentInstance()
.named(instanceName)
.ofType(type.getName())
.hostedBy(host.getName());
builder.integrateIn(target);
InternalComponentInstance instance = target.getComponentInstances().onlyInternals().firstNamed(instanceName);
resolveDependencies(target, instance);
return instance;
}
private void resolveDependencies(Deployment target, InternalComponentInstance instance) {
for (RequiredPortInstance clientPort : instance.getRequiredPorts()) {
getLibrary().bind(target, clientPort);
}
}
}