package org.simantics.interop.mapping.data;

import java.util.ArrayList;
import java.util.Collection;


public class ObjectIdentifiable implements Identifiable {

	private Object obj;
	
	public ObjectIdentifiable(Object obj) {
		this.obj = obj;
	}
	
	public Object getObject() {
		return obj;
	}
	
	@SuppressWarnings("unchecked")
	@Override
	public <T> T getAdapter(Class<T> clazz) {
		if (clazz == String.class)
			return (T)obj.toString();
		return null;
	}
	
	@Override
	public int hashCode() {
		return obj.hashCode();
	}
	
	@Override
	public boolean equals(Object arg0) {
		if (arg0 == null)
			return false;
		if (this.getClass() != arg0.getClass())
			return false;
		ObjectIdentifiable other = (ObjectIdentifiable)arg0;
		return obj.equals(other.obj);
	}
	
	@Override
	public Identifiable merge(Identifiable other) {
		if (other instanceof ObjectIdentifiable) {
			ObjectSetIdentifiable i = new ObjectSetIdentifiable(this.obj,((ObjectIdentifiable)other).obj);
			return i;
		} else if (other instanceof ObjectSetIdentifiable) {
			Collection<Object> coll = new ArrayList<Object>();
			coll.add(this.obj);
			coll.addAll(((ObjectSetIdentifiable)other).getObjects());
			ObjectSetIdentifiable i = new ObjectSetIdentifiable(coll);
			return i;
		}
		return null;
	}
	
}