@Override
public void readFrom(DataInput input) throws IOException {
isScheduled = input.readBoolean();
state = input.readString();
step = input.readString();
startTime = input.readLong();
endTime = input.readLong();
progressRate = input.readInt();
}
@Override
public void readFrom(DataInput input) throws IOException {
nodeId = input.readString();
isRequest = input.readBoolean();
servicePort = input.readInt();
}