ServiceInstance.java

/*
 * Copyright (c) 2013 Technische Universitat Wien (TUW), Distributed Systems Group. http://dsg.tuwien.ac.at
 *
 * This work was partially supported by the European Commission in terms of the CELAR FP7 project (FP7-ICT-2011-8 #317790), http://www.celarcloud.eu/
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package at.ac.tuwien.dsg.cloud.salsa.common.cloudservice.model;

import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlSeeAlso;
import javax.xml.bind.annotation.XmlType;

import at.ac.tuwien.dsg.cloud.salsa.common.cloudservice.model.enums.SalsaInstanceState;
import at.ac.tuwien.dsg.cloud.salsa.tosca.extension.SalsaCapaReqString;
import at.ac.tuwien.dsg.cloud.salsa.tosca.extension.SalsaInstanceDescription_VM;

@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "")
@XmlRootElement(name = "Replica")
@XmlSeeAlso({
    ServiceTopology.class
})
public class ServiceInstance extends SalsaEntity {

    @XmlAttribute(name = "replica")
    int instanceId = 0;

    @XmlAttribute(name = "hostedId")
    int hostedId = 2147483647;	// by default, it is hosted on nothing

//    @XmlAttribute(name = "instanceState")
//    SalsaInstanceState instanceState = SalsaInstanceState.UNDEPLOYED;
    @XmlAttribute(name = "extra")
    String extra = "";

    @XmlElement(name = "Properties")
    protected ServiceInstance.Properties properties;

    @XmlElement(name = "Capabilities")
    protected Capabilities capabilities;
    
    @XmlElement(name = "domainID")
    protected String domainID;

//	@XmlElement(name = "actionqueue")
//	protected Queue<String> actionqueue = new LinkedList();
//	@XmlElement(name = "StagingAction")
//	protected String stagingActionName;
//	@XmlElement(name = "Requirements")
//	protected Capabilities requirements;	
    @XmlAccessorType(XmlAccessType.FIELD)
    @XmlType(name = "")
    public static class Capabilities {

        @XmlElement(name = "Capability")
        protected List<SalsaCapaReqString> capability = new ArrayList<>();

        public List<SalsaCapaReqString> getCapability() {
            return capability;
        }

        public void setCapability(List<SalsaCapaReqString> capabilities) {
            this.capability = capabilities;
        }
    }

    @XmlAccessorType(XmlAccessType.FIELD)
    @XmlType(name = "", propOrder = {"any"})
    public static class Properties {

        @XmlAnyElement(lax = true)
        protected Object any;

        public Object getAny() {
            return any;
        }

        public void setAny(Object value) {
            this.any = value;
        }
    }

    public String getCapabilityValue(String id) {
        if (this.capabilities != null) {
            for (SalsaCapaReqString capaStr : this.capabilities.getCapability()) {
                if (capaStr.getId().equals(id)) {
                    return capaStr.getValue();
                }
            }
        }
        return null;
    }

    public ServiceInstance(int replica, ServiceInstance.Properties pros) {
        this.instanceId = replica;
        this.properties = pros;
    }

    public ServiceInstance(int replica) {
        this.instanceId = replica;
    }

    public ServiceInstance() {
    }

    public int getInstanceId() {
        return instanceId;
    }

    public void setInstanceId(int instance) {
        this.instanceId = instance;
    }

    public int getHostedId_Integer() {
        return hostedId;
    }

    public void setHostedId_Integer(int hostedId) {
        this.hostedId = hostedId;
    }

    public ServiceInstance.Properties getProperties() {
        return properties;
    }

    public void setProperties(ServiceInstance.Properties properties) {
        this.properties = properties;
    }

    public Capabilities getCapabilities() {
        return capabilities;
    }

    public void setCapabilities(Capabilities capabilities) {
        this.capabilities = capabilities;
    }

//	public void addQueueAction(String action){
//		this.actionqueue.add(action);		
//	}
//	
//	public String popQueueAction(){
//		return actionqueue.poll();
//	}
//	public String getStagingActionName() {
//		return stagingActionName;
//	}
//
//	public void setStagingActionName(String stagingActionName) {
//		this.stagingActionName = stagingActionName;
//	}
//    public SalsaInstanceState getInstanceState() {
//        return instanceState;
//    }
//    public void setInstanceState(SalsaInstanceState instanceState) {
//        this.instanceState = instanceState;
//    }
    public String getExtra() {
        return extra;
    }

    public void setExtra(String extra) {
        this.extra = extra;
    }

    public String getDomainID() {
        return domainID;
    }

    public void setDomainID(String domainID) {
        this.domainID = domainID;
    }    

    public String convertToXML() throws JAXBException {
        JAXBContext jaxbContext = JAXBContext // beside data.class, addition
                // classes for contents
                .newInstance(ServiceUnit.class, // e.g. when update Replica, need its capability and InstanceDes.
                        SalsaInstanceDescription_VM.class,
                        SalsaCapaReqString.class);
        Marshaller msl = jaxbContext.createMarshaller();
        msl.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        StringWriter result = new StringWriter();
        msl.marshal(this, result);
        return result.toString();
    }

}