bundles/org.eclipse.emf.emfatic.core/src/org/eclipse/emf/emfatic/core/lang/gen/ast/MultiplicityExpr.java

package org.eclipse.emf.emfatic.core.lang.gen.ast;

import org.eclipse.gymnast.runtime.core.ast.ASTNode;
import org.eclipse.gymnast.runtime.core.ast.TokenInfo;

/**
 *
 * @generated by Gymnast from Emfatic.ast on 06.02.2007 17:57:34
 */
public class MultiplicityExpr extends EmfaticASTNode  {


	private SimpleMultiplicityExpr _lowerBound;
	private EmfaticTokenNode _dot_dot;
	private SimpleMultiplicityExpr _upperBound;

	public SimpleMultiplicityExpr getLowerBound() {
		return _lowerBound;
	}
	public EmfaticTokenNode getDot_dot() {
		return _dot_dot;
	}
	public SimpleMultiplicityExpr getUpperBound() {
		return _upperBound;
	}


	/**
	 * @return the number of children of this ASTNode
	 */
	public int getChildCount() {
		int count = 0;
		if (_lowerBound != null) count++;
		if (_dot_dot != null) count++;
		if (_upperBound != null) count++;

		return count;
	}

	/**
	 * @param index the index of a child ASTNode to get
	 * @return the child ASTNode at the given index
	 * @throws IndexOutOfBoundsException when the index is out of bounds
	 */
	public ASTNode getChild(int index) {
		int count = -1;
		if ((_lowerBound != null) && (++count == index)) return _lowerBound;
		if ((_dot_dot != null) && (++count == index)) return _dot_dot;
		if ((_upperBound != null) && (++count == index)) return _upperBound;

		throw new IndexOutOfBoundsException();
	}
	
	/**
	 * Construct a new MultiplicityExpr.
	 */
	public MultiplicityExpr(
		SimpleMultiplicityExpr lowerBound,
		TokenInfo dot_dot,
		SimpleMultiplicityExpr upperBound
	) {
		super();

		if (lowerBound != null) {
			_lowerBound = lowerBound;
			if (_lowerBound._parent != null) throw new RuntimeException();
			_lowerBound._parent = this;
		}
		if (dot_dot != null) {
			_dot_dot = new EmfaticTokenNode(dot_dot);
			if (_dot_dot._parent != null) throw new RuntimeException();
			_dot_dot._parent = this;
		}
		if (upperBound != null) {
			_upperBound = upperBound;
			if (_upperBound._parent != null) throw new RuntimeException();
			_upperBound._parent = this;
		}

	}

	/**
	 * This method overrides the superclass <code>acceptImpl</code> providing
	 * the same implementation.  Here <code>this</code> refers to this specific node
	 * class, so the <code>beginVisit</code> and <code>endVisit</code> methods
	 * specific to this type in the visitor will be invoked.
	 */
	public void acceptImpl(EmfaticASTNodeVisitor visitor) {
		boolean visitChildren = visitor.beginVisit(this);
		if (visitChildren) visitChildren(visitor);
		visitor.endVisit(this);
	}

}