org.apache.fluo.api.observer

Interface StringObserver

All Superinterfaces:

Observer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface StringObserver
extends Observer

Since:

1.1.0

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.fluo.api.observer.Observer

Observer.Context, Observer.NotificationType, Observer.ObservedColumn

Method Summary

Modifier and Type	Method and Description
default void	process(TransactionBase tx, Bytes row, Column col) Implemented by users to process notifications on a Observer.ObservedColumn.
void	process(TransactionBase tx, String row, Column col)

Methods inherited from interface org.apache.fluo.api.observer.Observer

close, getObservedColumn, init

Method Detail

process

default void process(TransactionBase tx,
                     Bytes row,
                     Column col)
              throws Exception

Description copied from interface: Observer

Implemented by users to process notifications on a Observer.ObservedColumn. If a notification occurs, this method passes the user a TransactionBase as well as the row and Column where the notification occurred. The user can use the TransactionBase to read and write to Fluo. After this method returns, TransactionBase will be committed and closed by Fluo.

Specified by:

process in interface Observer

Throws:

Exception

process

void process(TransactionBase tx,
             String row,
             Column col)
      throws Exception

Throws:

Exception