/**
* 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.collections;
import org.cloudml.core.Component;
import org.cloudml.core.ComponentInstance;
import org.cloudml.core.ExecuteInstance;
import org.cloudml.core.InternalComponentInstance;
public class ExecuteInstanceGroup extends WithResourceGroup<ExecuteInstance> {
/**
* @return the first ExecuteInstance object whose subject is the given component, null otherwise
* @param component the component whose ExecuteInstance binding with its host is needed.
*/
public ExecuteInstance withSubject(InternalComponentInstance component) {
for (ExecuteInstance execution: this) {
if (execution.hasSubject(component)) {
return execution;
}
}
return null;
}
public ExecuteInstance between(String demanderName, String demandName, String providerName, String providedName) {
for (ExecuteInstance instance: this) {
if (instance.isBetween(demanderName, demandName, providerName, providedName)) {
return instance;
}
}
return null;
}
public ComponentInstance<? extends Component> hostOf(InternalComponentInstance component) {
for (ExecuteInstance execution: this) {
if (execution.hasSubject(component)) {
return execution.getHost();
}
}
return null;
}
public InternalComponentInstanceGroup componentsHostedBy(ComponentInstance<? extends Component> host) {
final InternalComponentInstanceGroup selection = new InternalComponentInstanceGroup();
for (ExecuteInstance execution: this) {
if (execution.isHostedBy(host)) {
selection.add(execution.getSubject());
}
}
return selection;
}
}