org.apache.hadoop.hbase

Interface Waiter.Predicate<E extends Exception>

All Known Subinterfaces:

Waiter.ExplainingPredicate<E>

Enclosing class:

Waiter

@InterfaceAudience.Private
public static interface Waiter.Predicate<E extends Exception>

A predicate 'closure' used by the Waiter.waitFor(Configuration, long, Predicate) and Waiter.waitFor(Configuration, long, Predicate) and Waiter.waitFor(Configuration, long, long, boolean, Predicate) methods.

Method Summary

Modifier and Type	Method and Description
boolean	evaluate() Perform a predicate evaluation.

Method Detail

evaluate

boolean evaluate()
          throws E extends Exception

Perform a predicate evaluation.

Returns:

the boolean result of the evaluation.

Throws:

Exception - thrown if the predicate evaluation could not evaluate.