/** Return key for given object: {workDateDbFormatted}.{startTime24Hour}.{endTime24Hour} */
private String key(Object o) {
JournalEntry entry = (JournalEntry) o;
return entry.getWorkDateDbFormatted()
+ "."
+ entry.getStartTime24Hour()
+ "."
+ entry.getEndTime24Hour();
}
@Override
public void setValueAt(Object object, int row, int col) {
JournalEntry entry = journals.get(row);
if (col == 0) {
entry.name = (String) object;
} else {
entry.abbreviation = (String) object;
}
}
@Override
public boolean rollback(final Server server, final RegionServerServices services, User user)
throws IOException {
this.server = server;
this.rsServices = services;
// Coprocessor callback
if (this.parent.getCoprocessorHost() != null) {
this.parent.getCoprocessorHost().preRollBackSplit(user);
}
boolean result = true;
ListIterator<JournalEntry> iterator = this.journal.listIterator(this.journal.size());
// Iterate in reverse.
while (iterator.hasPrevious()) {
JournalEntry je = iterator.previous();
transition(je.getPhase(), true);
switch (je.getPhase()) {
case SET_SPLITTING:
if (services != null
&& !services.reportRegionStateTransition(
TransitionCode.SPLIT_REVERTED, parent.getRegionInfo(), hri_a, hri_b)) {
return false;
}
break;
case CREATE_SPLIT_DIR:
this.parent.writestate.writesEnabled = true;
this.parent.getRegionFileSystem().cleanupSplitsDir();
break;
case CLOSED_PARENT_REGION:
try {
// So, this returns a seqid but if we just closed and then reopened, we
// should be ok. On close, we flushed using sequenceid obtained from
// hosting regionserver so no need to propagate the sequenceid returned
// out of initialize below up into regionserver as we normally do.
// TODO: Verify.
this.parent.initialize();
} catch (IOException e) {
LOG.error(
"Failed rollbacking CLOSED_PARENT_REGION of region "
+ parent.getRegionInfo().getRegionNameAsString(),
e);
throw new RuntimeException(e);
}
break;
case STARTED_REGION_A_CREATION:
this.parent.getRegionFileSystem().cleanupDaughterRegion(this.hri_a);
break;
case STARTED_REGION_B_CREATION:
this.parent.getRegionFileSystem().cleanupDaughterRegion(this.hri_b);
break;
case OFFLINED_PARENT:
if (services != null) services.addToOnlineRegions(this.parent);
break;
case PONR:
// We got to the point-of-no-return so we need to just abort. Return
// immediately. Do not clean up created daughter regions. They need
// to be in place so we don't delete the parent region mistakenly.
// See HBASE-3872.
return false;
// Informational only cases
case STARTED:
case PREPARED:
case BEFORE_PRE_SPLIT_HOOK:
case AFTER_PRE_SPLIT_HOOK:
case BEFORE_POST_SPLIT_HOOK:
case AFTER_POST_SPLIT_HOOK:
case OPENED_REGION_A:
case OPENED_REGION_B:
case COMPLETED:
break;
default:
throw new RuntimeException("Unhandled journal entry: " + je);
}
}
// Coprocessor callback
if (this.parent.getCoprocessorHost() != null) {
this.parent.getCoprocessorHost().postRollBackSplit(user);
}
return result;
}
