Loader.java

package org.apache.samoa.instances;

/*
 * #%L
 * SAMOA
 * %%
 * Copyright (C) 2014 - 2015 Apache Software Foundation
 * %%
 * 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.
 * #L%
 */

import java.io.Serializable;

/**
 * Loads Instances from streams of different types of Input Formats e.g ARFF & AVRO
 * 
 * @author jayadeepj
 */

public interface Loader extends Serializable {

  /**
   * Fetch the Meta-data from the data
   * 
   * @return InstanceInformation
   */
  public InstanceInformation getStructure();

  /**
   * Read a single instance from the Stream
   * 
   * @return Instance
   */
  public Instance readInstance();

}