/*
* Copyright 2007-2013
* Licensed under GNU Lesser General Public License
*
* This file is part of EpochX: genetic programming software for research
*
* EpochX is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EpochX 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with EpochX. If not, see <http://www.gnu.org/licenses/>.
*
* The latest version is available from: http://www.epochx.org
*/
package org.epochx.epox.lang;
import org.epochx.epox.Node;
/**
* A node which chains two nodes together in sequence, called <code>SEQ2</code>
*
* @since 2.0
*/
public class Seq2 extends SeqN {
public static final String IDENTIFIER = "SEQ2";
/**
* Constructs a <code>Seq2Function</code> with two <code>null</code> children
*/
public Seq2() {
this(null, null);
}
/**
* Constructs a <code>Seq2Function</code> with two child nodes
*
* @param child1 the first child node
* @param child2 the second child node
*/
public Seq2(Node child1, Node child2) {
super(child1, child2);
}
/**
* Returns the identifier of this function which is <code>SEQ2</code>
*
* @return this node's identifier
*/
@Override
public String getIdentifier() {
return IDENTIFIER;
}
}