/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.operator.ports.impl;

import com.rapidminer.Process;
import com.rapidminer.operator.DebugMode;
import com.rapidminer.operator.IOObject;
import com.rapidminer.operator.ports.InputPort;
import com.rapidminer.operator.ports.InputPorts;
import com.rapidminer.operator.ports.Port;
import com.rapidminer.operator.ports.Ports;
import com.rapidminer.operator.ports.metadata.MetaData;

/**  
 *  The default implementation of an {@link InputPort}
 *  
 * @author Simon Fischer, Sebastian Land
 *
 */
public class InputPortImpl extends AbstractInputPort {

	/** Use the factory method {@link InputPorts#createPort()} to create InputPorts. */
	protected InputPortImpl(Ports<? extends Port> owner, String name, boolean simulatesStack) {
		super(owner, name, simulatesStack);		
	}

	@Override
	public void receive(IOObject object) {		
		setData(object);
		
		Process process = getPorts().getOwner().getOperator().getProcess();
		if ((process != null) && (process.getDebugMode() == DebugMode.COLLECT_METADATA_AFTER_EXECUTION)) {
			if (object == null) {
				setRealMetaData(null);
			} else {
				MetaData forIOObject = MetaData.forIOObject(object);
				setRealMetaData(forIOObject);
			}
		} else {
			setRealMetaData(null);
		}
	}
	
}