/**
* 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 java.util.ArrayList;
import java.util.List;
import org.cloudml.core.InternalComponent;
import org.cloudml.core.Relationship;
import org.cloudml.core.Deployment;
class FindComponentTypeProviding extends AbstractFind<InternalComponent> {
private final Relationship relationshipType;
public FindComponentTypeProviding(StandardLibrary library, Relationship relationshipType) {
super(library);
this.relationshipType = rejectIfInvalid(relationshipType);
}
private Relationship rejectIfInvalid(Relationship relationship) {
if (relationship == null) {
throw new IllegalArgumentException("'null' is not a type of relationship that can be satisfied!");
}
return relationship;
}
@Override
protected void handleLackOfCandidate(Deployment deployment, List<InternalComponent> candidates) {
final String string = String.format(
"Unable to find a component type matching the provided end of relationship type '%s' (port '%s')",
relationshipType.getName(),
relationshipType.getProvidedEnd().getQualifiedName());
throw new IllegalStateException(string);
}
@Override
protected List<InternalComponent> collectCandidates(Deployment deployment) {
List<InternalComponent> candidates = new ArrayList<InternalComponent>();
for (InternalComponent artefact : deployment.getComponents().onlyInternals()) {
if (isCandidate(artefact)) {
candidates.add(artefact);
}
}
return candidates;
}
private boolean isCandidate(InternalComponent component) {
return component.getProvidedPorts().contains(relationshipType.getProvidedEnd());
}
}