/** * 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); } } }