UnitInstance.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.elise.model.runtime;

import at.ac.tuwien.dsg.cloud.elise.model.generic.Capability;
import at.ac.tuwien.dsg.cloud.elise.model.generic.ServiceUnit;
import at.ac.tuwien.dsg.cloud.salsa.domainmodels.types.ServiceCategory;
import at.ac.tuwien.dsg.cloud.elise.model.generic.Metric;
import at.ac.tuwien.dsg.cloud.elise.model.generic.ExtensibleModel;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import org.springframework.data.neo4j.annotation.NodeEntity;

/**
 * The instance managed by different cloud and management services
 *
 * @author Duc-Hung LE
 */
@NodeEntity
public class UnitInstance extends ServiceUnit {

    protected GlobalIdentification identification;

    // the configuration state. The state of the unit is in the domainInfo (see generic ServiceUnit.class)
    protected State state;

    // the unit is hosted on other unit. It should be object to realy link in the graphDB
    protected UnitInstance hostedOn;

    protected Set<UnitInstance> connectTo = new HashSet<>();

//    @RelatedToVia(type = "HostOn", direction = Direction.OUTGOING)
//    HostOnRelationshipInstance hostOnRela;
//
//    @RelatedToVia(type = "ConnectTo", direction = Direction.OUTGOING)
//    Set<ConnectToRelationshipInstance> connectToRela;
    public UnitInstance() {
    }

    public UnitInstance(String name, ServiceCategory category) {
        super(name, category);
    }

    public void hostedOnInstance(UnitInstance hostedInst) {
//        this.hostOnRela = new HostOnRelationshipInstance(this, hostedInst);
        this.hostedOn = hostedInst;
    }

    public void connectToInstance(UnitInstance connectedToInst) {
        if (this.connectTo == null) {
            this.connectTo = new HashSet<>();
        }
//        this.connectToRela.add(new ConnectToRelationshipInstance(this, connectedToInst, ""));
        this.connectTo.add(connectedToInst);
    }

    // GENERATED METHODS
    public State getState() {
        return state;
    }

    public void setState(State state) {
        this.state = state;
    }

    public GlobalIdentification getIdentification() {
        return identification;
    }

    public void setIdentification(GlobalIdentification identification) {
        this.identification = identification;
    }

    public Set<Metric> findAllMetricValues() {
        return new HashSet<>();
    }

    @Override
    public String toJson() {
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.writeValueAsString(this);
        } catch (IOException ex) {
            ex.printStackTrace();
            return null;
        }
    }

    public void mergeWith(UnitInstance otherInstance) {
        // TODO: if this and otherInstance are the same category, merge the DomainInfo, not the ExtendInfo
        if (otherInstance == null) {
            return;
        }
        System.out.println(otherInstance.getCapabilities());
        System.out.println(this.getCapabilities());
        if (otherInstance.getCategory() != null) {
            this.category = otherInstance.getCategory();
        }
        if (otherInstance.getName() != null) {
            this.name = otherInstance.getName();
        }
        if (otherInstance.getDomain() != null) {
            this.domain = otherInstance.getDomain();
        }

        if (otherInstance.getState() != null) {
            this.state = otherInstance.getState();
        }

        if (otherInstance.getCapabilities() != null) {
            if (this.getCapabilities() == null) {
                this.setCapabilities(new HashSet<Capability>());
            }
            this.getCapabilities().addAll(otherInstance.getCapabilities());
        }

        if (otherInstance.getExtra() != null) {
            if (this.getExtra() == null) {
                this.setExtra(new HashSet<ExtensibleModel>());
            }
            this.getExtra().addAll(otherInstance.getExtra());
        }

    }

    public UnitInstance getHostedOn() {
        return hostedOn;
    }

    public void setHostedOn(UnitInstance hostedOn) {
        this.hostedOn = hostedOn;
    }

    public Set<UnitInstance> getConnectTo() {
        return connectTo;
    }

    public void setConnectTo(Set<UnitInstance> connectTo) {
        this.connectTo = connectTo;
    }

}