/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.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;
import com.rapidminer.operator.preprocessing.MaterializeDataInMemory;
/**
* Cleans up unused memory resources. Might be very useful in combination with the
* {@link MaterializeDataInMemory} operator after large preprocessing trees using
* lot of views or data copies. Internally, this operator simply invokes a
* garbage collection from the underlying Java programming language.
*
* @author Ingo Mierswa
* @version $Id: MemoryCleanUp.java,v 1.3 2008/07/07 07:06:44 ingomierswa Exp $
*/
public class MemoryCleanUp extends Operator {
public MemoryCleanUp(OperatorDescription description) {
super(description);
}
@Override
public IOObject[] apply() throws OperatorException {
System.gc();
return new IOObject[0];
}
@Override
public Class<?>[] getInputClasses() {
return new Class[0];
}
@Override
public Class<?>[] getOutputClasses() {
return new Class[0];
}
}