ExpressionOperator result = new ExpressionOperator();
result.setSelector(ExpressionOperator.EqualOuterJoin);
Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
v.addElement(" (+) = ");
result.printsAs(v);
result.bePostfix();
result.setNodeClass(RelationExpression.class);
return result;
}