Bug 201019 [Automation][Regression]Exception is thrown when running reportdesign
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ExpressionUtil.java
{
	/**
	 * 
	 */
	private List newExprs;
	private List columnBindings;
	TotalExprBinding()
	{
		this.newExprs = new ArrayList();
		this.columnBindings = new ArrayList();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.core.data.ITotalExprBindings#getNewExpression()
	 */
	public List getNewExpression( )
	{
		return this.newExprs;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.core.data.ITotalExprBindings#getColumnBindings()
	 */