DeployableService.java

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.ow2.choreos.services.datamodel;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;

import org.ow2.choreos.nodes.datamodel.CloudNode;

@XmlRootElement
public class DeployableService extends Service {

    // selectedNodes and serviceInstances's nodes may not match, since instances
    // may be not deployed
    private Set<CloudNode> selectedNodes;
    private List<ServiceInstance> serviceInstances;

    @XmlTransient
    private RecipeBundle recipeBundle;

    public DeployableService() {
	super();
    }

    public DeployableService(DeployableServiceSpec spec) {
	super(spec);
    }

    @Override
    public DeployableServiceSpec getSpec() {
	return (DeployableServiceSpec) super.getSpec();
    }

    @Override
    public void setSpec(ServiceSpec spec) {
	// This method seems to be necessary to JAXB set the super class
	// attribute when doing unmarshalling
	super.setSpec((DeployableServiceSpec) spec);
    }

    public List<ServiceInstance> getInstances() {
	return serviceInstances;
    }

    public void removeInstance(ServiceInstance instance) {
	if (serviceInstances != null)
	    serviceInstances.remove(instance);
    }

    public List<ServiceInstance> getServiceInstances() {
	return serviceInstances;
    }

    public void setServiceInstances(List<ServiceInstance> instances) {
	this.serviceInstances = instances;
    }

    public synchronized void addInstance(ServiceInstance instance) {
	if (serviceInstances == null)
	    serviceInstances = new ArrayList<ServiceInstance>();
	serviceInstances.add(instance);
    }

    public Set<CloudNode> getSelectedNodes() {
	return selectedNodes;
    }

    public void setSelectedNodes(Set<CloudNode> selectedNodes) {
	this.selectedNodes = selectedNodes;
    }

    public synchronized void addSelectedNode(CloudNode node) {
	if (selectedNodes == null)
	    selectedNodes = new HashSet<CloudNode>();
	selectedNodes.add(node);
    }

    public boolean hasInstances() {
	return serviceInstances != null && serviceInstances.size() > 0;
    }

    @Override
    public List<String> getUris() {

	if (serviceInstances == null) {
	    return new ArrayList<String>();
	}

	List<String> uris = new ArrayList<String>();
	synchronized (serviceInstances) {
	    for (ServiceInstance service : serviceInstances) {
		uris.add(service.getNativeUri());
	    }
	}
	return uris;
    }

    public ServiceInstance getInstanceById(String instanceId) {
	if (serviceInstances != null) {
	    for (ServiceInstance instance : serviceInstances) {
		if (instance.getInstanceId().equals(instanceId))
		    return instance;
	    }
	}
	throw new IllegalArgumentException("getSpec().getUUID() " + " / " + instanceId);
    }

    public RecipeBundle getRecipeBundle() {
	return recipeBundle;
    }

    public void setRecipeBundle(RecipeBundle recipeBundle) {
	this.recipeBundle = recipeBundle;
    }

    @Override
    public int hashCode() {
	final int prime = 31;
	int result = super.hashCode();
	result = prime * result + ((serviceInstances == null) ? 0 : serviceInstances.hashCode());
	return result;
    }

    @Override
    public boolean equals(Object obj) {
	if (this == obj)
	    return true;
	if (!super.equals(obj))
	    return false;
	if (getClass() != obj.getClass())
	    return false;
	DeployableService other = (DeployableService) obj;
	if (serviceInstances == null) {
	    if (other.serviceInstances != null)
		return false;
	} else if (!serviceInstances.equals(other.serviceInstances))
	    return false;
	return true;
    }

    @Override
    public String toString() {
	StringBuilder uris = new StringBuilder();
	for (String uri : getUris()) {
	    uris.append(uri + "; ");
	}
	return "DeployableService [UUID=" + super.uuid + ", specName=" + super.spec.getName() + ", serviceInstances="
		+ uris + "]";
    }

}