org.apache.hadoop.hbase.util

Class ForeignExceptionUtil

java.lang.Object

org.apache.hadoop.hbase.util.ForeignExceptionUtil

@InterfaceAudience.Private
public final class ForeignExceptionUtil
extends Object

Helper to convert Exceptions and StackTraces from/to protobuf. (see ErrorHandling.proto for the internal of the proto messages)

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ForeignExceptionUtil()

Method Summary

Modifier and Type	Method and Description
private static <T extends Exception> T	createException(Class<T> clazz, org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)
private static <T extends Exception> T	setExceptionDetails(T exception, org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)
static Exception	toException(org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)
static IOException	toIOException(org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)
static org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage	toProtoForeignException(String source, Throwable t)
static org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage	toProtoForeignException(Throwable t)
static List<org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage>	toProtoStackTraceElement(StackTraceElement[] trace) Convert a stack trace to list of StackTraceElement.
static StackTraceElement[]	toStackTrace(List<org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage> traceList) Unwind a serialized array of ErrorHandlingProtos.StackTraceElementMessages to a StackTraceElements.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ForeignExceptionUtil

private ForeignExceptionUtil()

Method Detail

toException

public static Exception toException(org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)

toIOException

public static IOException toIOException(org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)

createException

private static <T extends Exception> T createException(Class<T> clazz,
                                                       org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)
                                                throws ClassNotFoundException,
                                                       NoSuchMethodException,
                                                       InstantiationException,
                                                       IllegalAccessException,
                                                       InvocationTargetException

Throws:

ClassNotFoundException

NoSuchMethodException

InstantiationException

IllegalAccessException

InvocationTargetException

setExceptionDetails

private static <T extends Exception> T setExceptionDetails(T exception,
                                                           org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage eem)

toProtoForeignException

public static org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage toProtoForeignException(Throwable t)

toProtoForeignException

public static org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage toProtoForeignException(String source,
                                                                                                                                    Throwable t)

toProtoStackTraceElement

public static List<org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage> toProtoStackTraceElement(StackTraceElement[] trace)

Convert a stack trace to list of StackTraceElement.

Parameters:

trace - the stack trace to convert to protobuf message

Returns:

null if the passed stack is null.

toStackTrace

public static StackTraceElement[] toStackTrace(List<org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage> traceList)

Unwind a serialized array of ErrorHandlingProtos.StackTraceElementMessages to a StackTraceElements.

Parameters:

traceList - list that was serialized

Returns:

the deserialized list or null if it couldn't be unwound (e.g. wasn't set on the sender).