sijie commented on a change in pull request #220: BOOKKEEPER-1095: Long Poll -
Server and Client Side Changes
URL: https://github.com/apache/bookkeeper/pull/220#discussion_r127828574
##########
File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/FileInfo.java
##########
@@ -102,14 +101,34 @@ synchronized Long getLastAddConfirmed() {
return lac;
}
- synchronized long setLastAddConfirmed(long lac) {
- if (null == this.lac || this.lac < lac) {
- this.lac = lac;
+ long setLastAddConfirmed(long lac) {
+ long lacToReturn;
+ synchronized (this) {
+ if (null == this.lac || this.lac < lac) {
+ this.lac = lac;
+ setChanged();
+ }
+ lacToReturn = this.lac;
+ }
+ LOG.trace("Updating LAC {} , {}", lacToReturn, lac);
+
+
+ notifyObservers(new LastAddConfirmedUpdateNotification(lacToReturn));
+ return lacToReturn;
+ }
+
+ synchronized Observable waitForLastAddConfirmedUpdate(long previousLAC,
Observer observe) {
+ if ((null != lac && lac > previousLAC)
+ || isClosed || ((stateBits & STATE_FENCED_BIT) ==
STATE_FENCED_BIT)) {
+ LOG.trace("Wait For LAC {} , {}", this.lac, previousLAC);
Review comment:
done
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