org.apache.hadoop.util.functional

Interface CallableRaisingIOE<R>

Type Parameters:

R - return type

All Known Implementing Classes:

LazyAtomicReference, LazyAutoCloseableReference

@FunctionalInterface
public interface CallableRaisingIOE<R>

This is a callable which only raises an IOException. Its method unchecked() invokes the apply() method and wraps all IOEs in UncheckedIOException; call this if you need to pass this through java streaming APIs

Method Summary

Modifier and Type	Method and Description
R	apply() Apply the operation.
default R	unchecked() Apply unchecked.

Method Detail

apply

R apply()
 throws IOException

Apply the operation.

Returns:

result

Throws:

IOException - Any IO failure

unchecked

default R unchecked()

Apply unchecked.

Returns:

the evaluated call

Throws:

UncheckedIOException - IOE raised.