public int dump(String filenameOrDirectory, PrintStream out, TimeZone timeZone)
throws IOException {
int logsFound = 0;
for (String fileName : filenamesOf(filenameOrDirectory, getLogPrefix())) {
logsFound++;
out.println("=== " + fileName + " ===");
StoreChannel fileChannel = fileSystem.open(new File(fileName), "r");
ByteBuffer buffer = ByteBuffer.allocateDirect(9 + Xid.MAXGTRIDSIZE + Xid.MAXBQUALSIZE * 10);
long logVersion, prevLastCommittedTx;
try {
long[] header = VersionAwareLogEntryReader.readLogHeader(buffer, fileChannel, false);
logVersion = header[0];
prevLastCommittedTx = header[1];
} catch (IOException ex) {
out.println("Unable to read timestamp information, no records in logical log.");
out.println(ex.getMessage());
fileChannel.close();
throw ex;
}
out.println(
"Logical log version: "
+ logVersion
+ " with prev committed tx["
+ prevLastCommittedTx
+ "]");
LogDeserializer deserializer = new LogDeserializer(buffer, instantiateCommandReaderFactory());
PrintingConsumer consumer = new PrintingConsumer(out, timeZone);
try (Cursor<LogEntry, IOException> cursor = deserializer.cursor(fileChannel)) {
while (cursor.next(consumer)) ;
}
}
return logsFound;
}
@Override
public void close() throws IOException {
delegateChannel.close();
}