FSEditLogOp.java 文件源码

@Override
public void writeFields(DataOutputStream out) throws IOException {
  FSImageSerialization.writeString(trg, out);

  DeprecatedUTF8 info[] = new DeprecatedUTF8[srcs.length];
  int idx = 0;
  for(int i=0; i<srcs.length; i++) {
    info[idx++] = new DeprecatedUTF8(srcs[i]);
  }
  new ArrayWritable(DeprecatedUTF8.class, info).write(out);

  FSImageSerialization.writeLong(timestamp, out);

  // rpc ids
  writeRpcIds(rpcClientId, rpcCallId, out);
}