liyafan82 commented on a change in pull request #8936: [FLINK-13043][Library /
CEP] Fix the bug of parsing Dewey number from string
URL: https://github.com/apache/flink/pull/8936#discussion_r299281233
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File path:
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/DeweyNumber.java
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@@ -175,16 +175,18 @@ public String toString() {
public static DeweyNumber fromString(final String deweyNumberString) {
String[] splits = deweyNumberString.split("\\.");
- if (splits.length == 0) {
+ if (splits.length == 1) {
return new
DeweyNumber(Integer.parseInt(deweyNumberString));
- } else {
+ } else if (splits.length > 0) {
Review comment:
@Myasuka thanks for the comments.
In some rare cases, the length can be 0. So this condition guards against
such cases.
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