/*
    * Copyright 2020 TiKV Project Authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   */
  
  package org.tikv.txn;
  
  import org.tikv.kvproto.Kvrpcpb;
  
  // ttl > 0: lock is not resolved
  //
  // <p>ttl = 0 && commitTS = 0: lock is deleted
  //
  // <p>ttl = 0 && commitTS > 0: lock is committed
  public class TxnStatus {
    private long ttl;
    private long commitTS;
    private Kvrpcpb.Action action;
  
    public TxnStatus() {
      this.ttl = 0L;
      this.commitTS = 0L;
      this.action = Kvrpcpb.Action.UNRECOGNIZED;
    }
  
    public TxnStatus(long ttl) {
      this.ttl = ttl;
      this.commitTS = 0L;
      this.action = Kvrpcpb.Action.UNRECOGNIZED;
    }
  
    public TxnStatus(long ttl, long commitTS) {
      this.ttl = ttl;
      this.commitTS = commitTS;
      this.action = Kvrpcpb.Action.UNRECOGNIZED;
    }
  
    public TxnStatus(long ttl, long commitTS, Kvrpcpb.Action action) {
      this.ttl = ttl;
      this.commitTS = commitTS;
      this.action = action;
    }
  
    public long getTtl() {
      return ttl;
    }
  
    public void setTtl(long ttl) {
      this.ttl = ttl;
    }
  
    public long getCommitTS() {
      return commitTS;
    }
  
    public void setCommitTS(long commitTS) {
      this.commitTS = commitTS;
    }
  
    public boolean isCommitted() {
      return ttl == 0 && commitTS > 0;
    }
  
    public Kvrpcpb.Action getAction() {
      return action;
    }
  
    public void setAction(Kvrpcpb.Action action) {
      this.action = action;
    }
  }