/**
 * Copyright 2010 Neuroph Project http://neuroph.sourceforge.net
 *
 * 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 org.neuroph.util.io;

/**
 * Interface for reading neural network inputs from various data sources.
 * Provides methods to read from and close data source.
 * @author Zoran Sevarac <sevarac@gmail.com>
 */
public interface InputAdapter {
    
    /**
     * Reads input from data source and returns input for neural network as array of doubles.
     * @return neural network input as array of doubles
     */
    public double[] readInput();
    
    /**
     * Close data source after reading is finnished.
     * Free resources and perform cleanup.
     */
    public void close();    
}
