package pt.ist.fenixWebFramework.renderers.model;

import pt.ist.fenixWebFramework.renderers.utils.RendererPropertyUtils;

public class TransientMetaObject extends MetaObject {

    private transient Object object;
    private Class<?> type;
    private int code;

    public TransientMetaObject(Object object) {
        super();
        setObject(object);
    }

    protected void setObject(Object object) {
        this.object = object;
        this.code = object == null ? 0 : object.hashCode();
        this.type = object.getClass();
    }

    @Override
    public Object getObject() {
        return this.object;
    }

    @Override
    public Class<?> getType() {
        return type;
    }

    @Override
    public MetaObjectKey getKey() {
        return new MetaObjectKey(getType(), this.code);
    }

    @Override
    public void commit() {
        for (MetaSlot slot : getAllSlots()) {
            if (slot.isSetterIgnored()) {
                continue;
            }

            if (slot.isCached()) {
                Object value = slot.getObject();

                try {
                    setProperty(slot, value);
                } catch (Exception e) {
                    throw new RuntimeException("could not write property '" + slot.getName() + "' in object " + getObject(), e);
                }
            }
        }
    }

    protected void setProperty(MetaSlot slot, Object value) {
        RendererPropertyUtils.setProperty(getObject(), slot.getName(), value, false);
    }
}