boolean updateDocument(final Iterable<? extends IndexableField> doc, final Analyzer analyzer,
final Term delTerm) throws IOException {
boolean hasEvents = preUpdate();
final ThreadState perThread = flushControl.obtainAndLock();
final DocumentsWriterPerThread flushingDWPT;
try {
if (!perThread.isActive()) {
ensureOpen();
assert false: "perThread is not active but we are still open";
}
ensureInitialized(perThread);
assert perThread.isInitialized();
final DocumentsWriterPerThread dwpt = perThread.dwpt;
final int dwptNumDocs = dwpt.getNumDocsInRAM();
try {
dwpt.updateDocument(doc, analyzer, delTerm);
numDocsInRAM.incrementAndGet();
} finally {
if (dwpt.checkAndResetHasAborted()) {
if (!dwpt.pendingFilesToDelete().isEmpty()) {
putEvent(new DeleteNewFilesEvent(dwpt.pendingFilesToDelete()));
}
subtractFlushedNumDocs(dwptNumDocs);
flushControl.doOnAbort(perThread);
}
}
final boolean isUpdate = delTerm != null;
flushingDWPT = flushControl.doAfterDocument(perThread, isUpdate);
} finally {
perThread.unlock();
}
return postUpdate(flushingDWPT, hasEvents);
}