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 io.ray.streaming.state;
  
  import java.io.Serializable;
  
  /** This Class contains a record with some checkpointId. */
  public class StorageRecord<T> implements Serializable {
  
    private long checkpointId;
    private T value;
  
    public StorageRecord() {}
  
    public StorageRecord(long checkpointId, T value) {
      this.checkpointId = checkpointId;
      this.value = value;
    }
  
    public T getValue() {
      return value;
    }
  
    public long getCheckpointId() {
      return checkpointId;
    }
  
    public void setCheckpointId(long checkpointId) {
      this.checkpointId = checkpointId;
    }
  
    @Override
    public String toString() {
      if (value != null) {
        return "checkpointId:" + checkpointId + ", value:" + value;
      } else {
        return "checkpointId:" + checkpointId + ", value:null";
      }
    }
  }
  