public void visit()

in src/main/java/org/apache/accumulo/testing/randomwalk/security/DropUser.java [34:75]
38 lines of code
8 McCabe index (conditional complexity)

  public void visit(State state, RandWalkEnv env, Properties props) throws Exception {
    String sysPrincipal = WalkingSecurity.get(state, env).getSysUserName();
    try (AccumuloClient client =
        env.createClient(sysPrincipal, WalkingSecurity.get(state, env).getSysToken())) {

      String tableUserName = WalkingSecurity.get(state, env).getTabUserName();

      boolean exists = WalkingSecurity.get(state, env).userExists(tableUserName);
      boolean hasPermission =
          client.securityOperations().hasSystemPermission(sysPrincipal, SystemPermission.DROP_USER);

      try {
        client.securityOperations().dropLocalUser(tableUserName);
      } catch (AccumuloSecurityException ae) {
        switch (ae.getSecurityErrorCode()) {
          case PERMISSION_DENIED:
            if (hasPermission)
              throw new AccumuloException(
                  "Got a security exception when I should have had permission.", ae);
            else {
              if (exists) {
                env.getAccumuloClient().securityOperations().dropLocalUser(tableUserName);
                WalkingSecurity.get(state, env).dropUser(tableUserName);
              }
              return;
            }

          case USER_DOESNT_EXIST:
            if (exists)
              throw new AccumuloException("Got user DNE exception when user should exists.", ae);
            else
              return;
          default:
            throw new AccumuloException("Got unexpected exception", ae);
        }
      }
      WalkingSecurity.get(state, env).dropUser(tableUserName);
      Thread.sleep(1000);
      if (!hasPermission)
        throw new AccumuloException("Didn't get Security Exception when we should have");
    }
  }