ctubbsii commented on a change in pull request #2106:
URL: https://github.com/apache/accumulo/pull/2106#discussion_r631913046
##########
File path:
server/tserver/src/main/java/org/apache/accumulo/tserver/logger/LogReader.java
##########
@@ -73,19 +77,37 @@
* @param args
* - first argument is the file to print
*/
- public static void main(String[] args) throws IOException {
+ public static void main(String[] args) throws Exception {
+ new LogReader().execute(args);
+ }
+
+ @Override
+ public String keyword() {
+ return "wal-info";
+ }
+
+ @Override
+ public String description() {
+ return "Prints WAL Info";
+ }
+
+ @SuppressFBWarnings(value = "DM_EXIT",
+ justification = "System.exit is fine here because it's a utility class
executed by a main()")
+ @Override
+ public void execute(String[] args) throws Exception {
Opts opts = new Opts();
- opts.parseArgs(LogReader.class.getName(), args);
+ opts.parseArgs("accumulo wal-info", args);
+ if (opts.files.isEmpty()) {
+ System.err.println("No WAL files were given");
+ System.exit(1);
+ }
Review comment:
This is okay, but I wonder if this will allow users to see the full
usage. Is there a `--help` or `-?` option to show the usage, or if the
command-line options are wrong, is there anyway for the user to see what the
correct usage is? The code that this bit replaces did `new
JCommander(opts).usage()`.
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