content: /*
   * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
   * 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 me.ahoo.cosid.cosid;
  
  import com.google.common.base.MoreObjects;
  
  import java.util.Objects;
  
  /**
   * CosId State.
   * <p>
   *     The {@link CosIdState} is a composite of timestamp, machineId, and sequence.
   * </p>
   */
  public final class CosIdState implements Comparable<CosIdState> {
      private final long timestamp;
      private final int machineId;
      private final int sequence;
      
      public CosIdState(long timestamp, int machineId, int sequence) {
          this.timestamp = timestamp;
          this.machineId = machineId;
          this.sequence = sequence;
      }
      
      public long getTimestamp() {
          return timestamp;
      }
      
      public int getMachineId() {
          return machineId;
      }
      
      public int getSequence() {
          return sequence;
      }
      
      @Override
      public int compareTo(CosIdState o) {
          int timestampCompared = Long.compare(timestamp, o.timestamp);
          if (timestampCompared != 0) {
              return timestampCompared;
          }
          return Integer.compare(sequence, o.sequence);
      }
      
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (!(o instanceof CosIdState)) {
              return false;
          }
          CosIdState that = (CosIdState) o;
          return getTimestamp() == that.getTimestamp() && getMachineId() == that.getMachineId() && getSequence() == that.getSequence();
      }
      
      @Override
      public int hashCode() {
          return Objects.hash(getTimestamp(), getMachineId(), getSequence());
      }
      
      @Override
      public String toString() {
          return MoreObjects.toStringHelper(this)
              .add("timestamp", timestamp)
              .add("machineId", machineId)
              .add("sequence", sequence)
              .toString();
      }
  }
  