/*
 * Copyright 2009-2010 Yuichiro Moriguchi
 *
 * 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 net.morilib.lisp.topology;

import net.morilib.lisp.Datum;

/**
 *
 *
 * @author MORIGUCHI, Yuichiro 2011/10/08
 */
public interface ILispTopology {

	/**
	 * 
	 * @param d
	 * @return
	 */
	public boolean isNeighborhoodOf(Datum d);

	/**
	 * 
	 * @param t
	 * @return
	 */
	public boolean isContained(ILispTopology t);

	/**
	 * 
	 * @param t
	 * @return
	 */
	public boolean isIndependent(ILispTopology t);

	/**
	 * 
	 * @param t
	 * @return
	 */
	public boolean isNotContained(ILispTopology t);

	/**
	 * 
	 * @param t
	 * @return
	 */
	public boolean isNotIndependent(ILispTopology t);

	/**
	 * 
	 * @param t
	 * @return
	 */
	public ILispTopology unionTopology(ILispTopology t);

	/**
	 * 
	 * @param t
	 * @return
	 */
	public ILispTopology intersectionTopology(ILispTopology t);

	/**
	 * 
	 * @return
	 */
	public ILispTopology interior();

	/**
	 * 
	 * @return
	 */
	public ILispTopology closure();

	/**
	 * 
	 * @return
	 */
	public boolean isOpen();

	/**
	 * 
	 * @return
	 */
	public boolean isClosed();

	/**
	 * 
	 * @return
	 */
	public LispCardinality cardinality();

	/**
	 * 
	 * @return
	 */
	public boolean isEmpty();

	/**
	 * 
	 * @return
	 */
	public boolean isUniverse();

}
