openllet.reachability.EntityNode Maven / Gradle / Ivy

// Copyright (c) 2006 - 2015, Clark & Parsia, LLC. 
// This source code is available under the terms of the Affero General Public License v3.
//
// Please see LICENSE.txt for full license terms, including the availability of proprietary exceptions.
// Questions, comments, or requests for clarification: [email protected]

package openllet.reachability;

import java.util.Collections;
import java.util.Set;
import openllet.core.utils.SetUtils;

/**
 * @author Evren Sirin
 */
public class EntityNode extends Node
{

	private boolean _active = false;

	private Set _entities;

	public EntityNode(final E entity)
	{
		_entities = Collections.singleton(entity);
	}

	public void addEntities(final Set entity)
	{
		if (_entities.size() == 1)
			_entities = SetUtils.create(_entities);

		_entities.addAll(entity);
	}

	public void addEntity(final E entity)
	{
		if (_entities.size() == 1)
			_entities = SetUtils.create(_entities);

		_entities.add(entity);
	}

	public Set getEntities()
	{
		return _entities;
	}

	@Override
	public boolean inputActivated()
	{
		return _active ? false : (_active = true);
	}

	@Override
	public boolean isActive()
	{
		return _active;
	}

	@Override
	public void reset()
	{
		_active = false;
	}

	@Override
	public String toString()
	{
		return _entities.toString();
	}

	@Override
	public boolean isEntityNode()
	{
		return true;
	}
}