/*
    * Copyright 2017 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 com.google.protobuf.ByteString;
  import org.tikv.common.apiversion.RequestKeyCodec;
  import org.tikv.kvproto.Kvrpcpb;
  
  public class Lock {
    private static final long DEFAULT_LOCK_TTL = 3000;
    private final long txnID;
    private final long ttl;
    private final ByteString key;
    private final ByteString primary;
    private final long txnSize;
    private final Kvrpcpb.Op lockType;
    private final long lockForUpdateTs;
  
    public Lock(Kvrpcpb.LockInfo l, RequestKeyCodec codec) {
      txnID = l.getLockVersion();
      key = codec.decodeKey(l.getKey());
      primary = codec.decodeKey(l.getPrimaryLock());
      ttl = l.getLockTtl() == 0 ? DEFAULT_LOCK_TTL : l.getLockTtl();
      txnSize = l.getTxnSize();
      lockType = l.getLockType();
      lockForUpdateTs = l.getLockForUpdateTs();
    }
  
    public long getTxnID() {
      return txnID;
    }
  
    public long getTtl() {
      return ttl;
    }
  
    public ByteString getKey() {
      return key;
    }
  
    public ByteString getPrimary() {
      return primary;
    }
  
    public long getTxnSize() {
      return txnSize;
    }
  
    public Kvrpcpb.Op getLockType() {
      return lockType;
    }
  
    public long getLockForUpdateTs() {
      return lockForUpdateTs;
    }
  }