Asset.java

@XmlRootElement(name = "ObjectEvent")
@XmlAccessorType(XmlAccessType.FIELD)
public class UTAssetEvent extends ObjectEventType {

    @XmlTransient
    private Asset asset;

    public Asset getAsset() {
        return asset;
    }

    public void setAsset(Asset asset) {
        this.asset = asset;
    }

    @XmlElement(namespace = "urn:universal-trace:asset:xsd:1")
    public String getEpc() {
        return asset.getEpc();
    }

    @XmlElement(namespace = "urn:universal-trace:asset:xsd:1")
    public String getExpiryDateTime() {
        return asset.getExpiryDateTime();
    }

    @XmlElement(namespace = "urn:universal-trace:asset:xsd:1")
    public String getType() {
        return asset.getType();
    }
}