How to use

reset

method

in

org.apache.hadoop.hdfs.server.namenode.FSEditLogOp

/**
 * Constructor for an EditLog Op. EditLog ops cannot be constructed
 * directly, but only through Reader#readOp.
 */
@VisibleForTesting
protected FSEditLogOp(FSEditLogOpCodes opCode) {
 this.opCode = opCode;
 reset();
}

synchronized boolean doEditTransaction(final FSEditLogOp op) {
 long start = beginTransaction();
 op.setTransactionId(txid);
 try {
  editLogStream.write(op);
 } catch (IOException ex) {
  // All journals failed, it is handled in logSync.
 } finally {
  op.reset();
 }
 endTransaction(start);
 return shouldForceSync();
}

/**
 * Constructor for an EditLog Op. EditLog ops cannot be constructed
 * directly, but only through Reader#readOp.
 */
@VisibleForTesting
protected FSEditLogOp(FSEditLogOpCodes opCode) {
 this.opCode = opCode;
 reset();
}

/**
 * Constructor for an EditLog Op. EditLog ops cannot be constructed
 * directly, but only through Reader#readOp.
 */
@VisibleForTesting
protected FSEditLogOp(FSEditLogOpCodes opCode) {
 this.opCode = opCode;
 reset();
}

op.reset();

op.reset();