How to use

RollingUpgradeStatus

in

org.apache.hadoop.hdfs.protocol

private void handleRollingUpgradeStatus(HeartbeatResponse resp) throws IOException {
 RollingUpgradeStatus rollingUpgradeStatus = resp.getRollingUpdateStatus();
 if (rollingUpgradeStatus != null &&
   rollingUpgradeStatus.getBlockPoolId().compareTo(bpos.getBlockPoolId()) != 0) {
  // Can this ever occur?
  LOG.error("Invalid BlockPoolId " +
    rollingUpgradeStatus.getBlockPoolId() +
    " in HeartbeatResponse. Expected " +
    bpos.getBlockPoolId());
 } else {
  bpos.signalRollingUpgrade(rollingUpgradeStatus);
 }
}

/**
 * Signal the current rolling upgrade status as indicated by the NN.
 * @param rollingUpgradeStatus rolling upgrade status
 */
void signalRollingUpgrade(RollingUpgradeStatus rollingUpgradeStatus)
  throws IOException {
 if (rollingUpgradeStatus == null) {
  return;
 }
 String bpid = getBlockPoolId();
 if (!rollingUpgradeStatus.isFinalized()) {
  dn.getFSDataset().enableTrash(bpid);
  dn.getFSDataset().setRollingUpgradeMarker(bpid);
 } else {
  dn.getFSDataset().clearTrash(bpid);
  dn.getFSDataset().clearRollingUpgradeMarker(bpid);
 }
}

@Override
public boolean equals(Object obj) {
 if (obj == this) {
  return true;
 } else if (obj == null || !(obj instanceof RollingUpgradeInfo)) {
  return false;
 }
 final RollingUpgradeInfo that = (RollingUpgradeInfo)obj;
 return super.equals(that)
   && this.startTime == that.startTime
   && this.finalizeTime == that.finalizeTime;
}

public static RollingUpgradeStatusProto convertRollingUpgradeStatus(
  RollingUpgradeStatus status) {
 return RollingUpgradeStatusProto.newBuilder()
   .setBlockPoolId(status.getBlockPoolId())
   .setFinalized(status.isFinalized())
   .build();
}

@Override
public int hashCode() {
 //only use lower 32 bits
 return super.hashCode() ^ (int)startTime ^ (int)finalizeTime;
}

@Override
public String toString() {
 return super.toString()
   +  "\n     Start Time: "
   + (startTime == 0 ? "<NOT STARTED>" : timestamp2String(startTime))
   +  "\n  Finalize Time: "
   + (finalizeTime == 0 ? "<NOT FINALIZED>" :
   timestamp2String(finalizeTime));
}

public static RollingUpgradeStatus convert(RollingUpgradeStatusProto proto) {
 return new RollingUpgradeStatus(proto.getBlockPoolId(),
   proto.getFinalized());
}

public static RollingUpgradeStatusProto convertRollingUpgradeStatus(
  RollingUpgradeStatus status) {
 return RollingUpgradeStatusProto.newBuilder()
   .setBlockPoolId(status.getBlockPoolId())
   .setFinalized(status.isFinalized())
   .build();
}

@Override
public int hashCode() {
 //only use lower 32 bits
 return super.hashCode() ^ (int)startTime ^ (int)finalizeTime;
}

@Override
public String toString() {
 return super.toString()
  +  "\n     Start Time: " + (startTime == 0? "<NOT STARTED>": timestamp2String(startTime))
  +  "\n  Finalize Time: " + (finalizeTime == 0? "<NOT FINALIZED>": timestamp2String(finalizeTime));
}

public static RollingUpgradeStatus convert(RollingUpgradeStatusProto proto) {
 return new RollingUpgradeStatus(proto.getBlockPoolId(),
   proto.getFinalized());
}

public static RollingUpgradeStatusProto convertRollingUpgradeStatus(
  RollingUpgradeStatus status) {
 return RollingUpgradeStatusProto.newBuilder()
   .setBlockPoolId(status.getBlockPoolId())
   .setFinalized(status.isFinalized())
   .build();
}

@Override
public boolean equals(Object obj) {
 if (obj == this) {
  return true;
 } else if (obj == null || !(obj instanceof RollingUpgradeStatus)) {
  return false;
 }
 final RollingUpgradeStatus that = (RollingUpgradeStatus) obj;
 return this.blockPoolId.equals(that.blockPoolId)
   && this.isFinalized() == that.isFinalized();
}

private void handleRollingUpgradeStatus(HeartbeatResponse resp) throws IOException {
 RollingUpgradeStatus rollingUpgradeStatus = resp.getRollingUpdateStatus();
 if (rollingUpgradeStatus != null &&
   rollingUpgradeStatus.getBlockPoolId().compareTo(bpos.getBlockPoolId()) != 0) {
  // Can this ever occur?
  LOG.error("Invalid BlockPoolId " +
    rollingUpgradeStatus.getBlockPoolId() +
    " in HeartbeatResponse. Expected " +
    bpos.getBlockPoolId());
 } else {
  bpos.signalRollingUpgrade(rollingUpgradeStatus);
 }
}

@Override
public boolean equals(Object obj) {
 if (obj == this) {
  return true;
 } else if (obj == null || !(obj instanceof RollingUpgradeInfo)) {
  return false;
 }
 final RollingUpgradeInfo that = (RollingUpgradeInfo)obj;
 return super.equals(that)
   && this.startTime == that.startTime
   && this.finalizeTime == that.finalizeTime;
}

@Override
public int hashCode() {
 //only use lower 32 bits
 return super.hashCode() ^ (int)startTime ^ (int)finalizeTime;
}

@Override
public String toString() {
 return super.toString()
  +  "\n     Start Time: " + (startTime == 0? "<NOT STARTED>": timestamp2String(startTime))
  +  "\n  Finalize Time: " + (finalizeTime == 0? "<NOT FINALIZED>": timestamp2String(finalizeTime));
}

public static RollingUpgradeStatus convert(RollingUpgradeStatusProto proto) {
 return new RollingUpgradeStatus(proto.getBlockPoolId(),
   proto.getFinalized());
}

@Override
public boolean equals(Object obj) {
 if (obj == this) {
  return true;
 } else if (obj == null || !(obj instanceof RollingUpgradeStatus)) {
  return false;
 }
 final RollingUpgradeStatus that = (RollingUpgradeStatus) obj;
 return this.blockPoolId.equals(that.blockPoolId)
   && this.isFinalized() == that.isFinalized();
}

private void handleRollingUpgradeStatus(HeartbeatResponse resp) throws IOException {
 RollingUpgradeStatus rollingUpgradeStatus = resp.getRollingUpdateStatus();
 if (rollingUpgradeStatus != null &&
   rollingUpgradeStatus.getBlockPoolId().compareTo(bpos.getBlockPoolId()) != 0) {
  // Can this ever occur?
  LOG.error("Invalid BlockPoolId " +
    rollingUpgradeStatus.getBlockPoolId() +
    " in HeartbeatResponse. Expected " +
    bpos.getBlockPoolId());
 } else {
  bpos.signalRollingUpgrade(rollingUpgradeStatus);
 }
}