content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.apache.cassandra.db;
  
  import com.google.common.base.Preconditions;
  
  import org.apache.cassandra.db.commitlog.CommitLogPosition;
  import org.apache.cassandra.utils.concurrent.OpOrder;
  
  public class CassandraWriteContext implements WriteContext
  {
      private final OpOrder.Group opGroup;
      private final CommitLogPosition position;
  
      public CassandraWriteContext(OpOrder.Group opGroup, CommitLogPosition position)
      {
          Preconditions.checkArgument(opGroup != null);
          this.opGroup = opGroup;
          this.position = position;
      }
  
      public static CassandraWriteContext fromContext(WriteContext context)
      {
          Preconditions.checkArgument(context instanceof CassandraWriteContext);
          return (CassandraWriteContext) context;
      }
  
      public OpOrder.Group getGroup()
      {
          return opGroup;
      }
  
      public CommitLogPosition getPosition()
      {
          return position;
      }
  
      @Override
      public void close()
      {
          opGroup.close();
      }
  }
  