content: /*******************************************************************************
   * Copyright (c) 2010 Haifeng Li
   *   
   * 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 smile.clustering;
  
  import java.io.Serializable;
  
  /**
   * Clustering interface.
   * 
   * @param <T> the type of input object.
   * 
   * @author Haifeng Li
   */
  public interface Clustering <T> extends Serializable {
      /**
       * Cluster label for outliers or noises.
       */
      int OUTLIER = Integer.MAX_VALUE;
      
      /**
       * Cluster a new instance.
       * @param x a new instance.
       * @return the cluster label.
       */
      int predict(T x);
  }
  