content: /*
   * Copyright (c) 2022. Alibaba Group Holding Limited
   */
  
  package com.alibaba.hologres.client.impl.binlog;
  
  import com.alibaba.hologres.client.utils.Tuple;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.concurrent.BlockingQueue;
  import java.util.concurrent.CompletableFuture;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.TimeoutException;
  
  /** 用来提交lsn的. */
  @Deprecated
  public class Committer {
      public static final Logger LOGGER = LoggerFactory.getLogger(Committer.class);
  
      final BlockingQueue<Tuple<CompletableFuture<Void>, Long>> queue;
  
      long lastReadLsn = -1;
  
      public Committer(BlockingQueue<Tuple<CompletableFuture<Void>, Long>> queue) {
          this.queue = queue;
      }
  
      public void updateLastReadLsn(long lastReadLsn) {
          this.lastReadLsn = lastReadLsn;
      }
  
      public CompletableFuture<Void> commit(long timeout)
              throws InterruptedException, TimeoutException {
          return commit(lastReadLsn, timeout);
      }
  
      public CompletableFuture<Void> commit(long lsn, long timeout)
              throws InterruptedException, TimeoutException {
          CompletableFuture<Void> future = new CompletableFuture<>();
          if (lsn < 0) {
              LOGGER.info("last read lsn {} < 0, skip commit it", lsn);
              future.complete(null);
              return future;
          }
          boolean ret = queue.offer(new Tuple<>(future, lsn), timeout, TimeUnit.MILLISECONDS);
          if (!ret) {
              throw new TimeoutException();
          } else {
              return future;
          }
      }
  
      public long getLastReadLsn() {
          return lastReadLsn;
      }
  }
  