org.apache.avro.path

Class TracingNullPointException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

java.lang.NullPointerException

org.apache.avro.path.TracingNullPointException

All Implemented Interfaces:

Serializable, PathTracingException<NullPointerException>

public class TracingNullPointException
extends NullPointerException
implements PathTracingException<NullPointerException>

a NullPointerException with extra fields used to trace back the path to a null value through an object graph

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TracingNullPointException(NullPointerException cause, Schema expected, boolean customCoderUsed)

Method Summary

Modifier and Type	Method and Description
NullPointerException	getCause()
NullPointerException	summarize(Schema root) produces a user-facing exception to be thrown back out to user code
void	tracePath(PathElement step) appends a path element to the trace.

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

TracingNullPointException

public TracingNullPointException(NullPointerException cause,
                                 Schema expected,
                                 boolean customCoderUsed)

Method Detail

tracePath

public void tracePath(PathElement step)

Description copied from interface: PathTracingException

appends a path element to the trace. expected to be called in reverse-order as the exception bubbles up the stack

Specified by:

tracePath in interface PathTracingException<NullPointerException>

Parameters:

step - an AvroPath step tracing back from the location of the original exception towards the root of the data graph

getCause

public NullPointerException getCause()

Overrides:

getCause in class Throwable

summarize

public NullPointerException summarize(Schema root)

Description copied from interface: PathTracingException

produces a user-facing exception to be thrown back out to user code

Specified by:

summarize in interface PathTracingException<NullPointerException>

Parameters:

root - the root object for the operation that generated the exception

Returns:

a hopefully helpful error message