001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.math3.geometry;
018
019import java.io.Serializable;
020
021import org.apache.commons.math3.exception.MathUnsupportedOperationException;
022
023/** This interface represents a generic space, with affine and vectorial counterparts.
024 * @see Vector
025 * @since 3.0
026 */
027public interface Space extends Serializable {
028
029    /** Get the dimension of the space.
030     * @return dimension of the space
031     */
032    int getDimension();
033
034    /** Get the n-1 dimension subspace of this space.
035     * @return n-1 dimension sub-space of this space
036     * @see #getDimension()
037     * @exception MathUnsupportedOperationException for dimension-1 spaces
038     * which do not have sub-spaces
039     */
040    Space getSubSpace() throws MathUnsupportedOperationException;
041
042}