public void collectExpressionInfo(ExpressionInfo info) {
if (fExpressions == null)
return;
for (Iterator iter= fExpressions.iterator(); iter.hasNext();) {
Expression expression= (Expression)iter.next();
expression.collectExpressionInfo(info);
}
}
protected int computeHashCode() {
return HASH_INITIAL * HASH_FACTOR + hashCode(fExpressions);