org.apache.spark.security

Interface CryptoStreamUtils.BaseErrorHandler

All Superinterfaces:

AutoCloseable, java.io.Closeable

All Known Implementing Classes:

CryptoStreamUtils.ErrorHandlingReadableChannel

Enclosing class:

CryptoStreamUtils

public static interface CryptoStreamUtils.BaseErrorHandler
extends java.io.Closeable

SPARK-25535. The commons-cryto library will throw InternalError if something goes wrong, and leave bad state behind in the Java wrappers, so it's not safe to use them afterwards. This wrapper detects that situation and avoids further calls into the commons-crypto code, while still allowing the underlying streams to be closed.

This should be removed once CRYPTO-141 is fixed (and Spark upgrades its commons-crypto dependency).

Method Summary

Modifier and Type	Method and Description
java.io.Closeable	cipherStream() The encrypted stream that may get into an unhealthy state.
void	close()
boolean	closed()
java.io.Closeable	original() The underlying stream that is being wrapped by the encrypted stream, so that it can be closed even if there's an error in the crypto layer.
<T> T	safeCall(scala.Function0<T> fn)

Method Detail

cipherStream

java.io.Closeable cipherStream()

The encrypted stream that may get into an unhealthy state.

close

void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface java.io.Closeable

closed

boolean closed()

original

java.io.Closeable original()

The underlying stream that is being wrapped by the encrypted stream, so that it can be closed even if there's an error in the crypto layer.

Returns:

(undocumented)

safeCall

<T> T safeCall(scala.Function0<T> fn)