org.datanucleus.exceptions

Class NucleusException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.datanucleus.exceptions.NucleusException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ClassNotResolvedException, CommitStateTransitionException, IllegalStateTransitionException, NoQueryResultsException, NotYetFlushedException, NucleusCanRetryException, NucleusDataStoreException, NucleusEnhanceException, NucleusObjectNotFoundException, NucleusOptimisticException, NucleusTransactionException, NucleusUserException, PrimaryExpressionIsClassLiteralException, PrimaryExpressionIsClassStaticFieldException, PrimaryExpressionIsInvokeException, PrimaryExpressionIsVariableException, QueryInterruptedException, QueryTimeoutException, RollbackStateTransitionException, ValueGenerationException

public class NucleusException
extends RuntimeException

Base exception thrown by DataNucleus.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NucleusException() Constructs a new exception without a detail message.
NucleusException(String msg) Constructs a new exception with the specified detail message.
NucleusException(String msg, Object failed) Constructs a new exception with the specified detail message and failed object.
NucleusException(String msg, Throwable nested) Constructs a new exception with the specified detail message and nested Throwable.
NucleusException(String msg, Throwable[] nested) Constructs a new exception with the specified detail message and nested Throwables.
NucleusException(String msg, Throwable[] nested, Object failed) Constructs a new exception with the specified detail message, nested Throwables, and failed object.
NucleusException(String msg, Throwable nested, Object failed) Constructs a new exception with the specified detail message, nested Throwable, and failed object.

Method Summary

Modifier and Type	Method and Description
Throwable	getCause() Return the first nested exception (if any), otherwise null.
Object	getFailedObject() The exception may include a failed object.
Throwable[]	getNestedExceptions() The exception may have been caused by multiple exceptions in the runtime.
boolean	isFatal() Accessor for whether the exception is fatal, or retriable.
void	printStackTrace() Prints this Exception and its backtrace to the standard error output.
void	printStackTrace(PrintStream s) Prints this Exception and its backtrace to the specified print stream.
void	printStackTrace(PrintWriter s) Prints this Exception and its backtrace to the specified print writer.
NucleusException	setFatal() Method to set the exception as being fatal.
void	setNestedException(Throwable nested)

Methods inherited from class java.lang.Throwable

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

Methods inherited from class java.lang.Object

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

Constructor Detail

NucleusException

public NucleusException()

Constructs a new exception without a detail message.

NucleusException

public NucleusException(String msg)

Constructs a new exception with the specified detail message.

Parameters:

msg - the detail message.

NucleusException

public NucleusException(String msg,
                        Throwable[] nested)

Constructs a new exception with the specified detail message and nested Throwables.

Parameters:

msg - the detail message.

nested - the nested Throwable[].

NucleusException

public NucleusException(String msg,
                        Throwable nested)

Constructs a new exception with the specified detail message and nested Throwable.

Parameters:

msg - the detail message.

nested - the nested Throwable.

NucleusException

public NucleusException(String msg,
                        Object failed)

Constructs a new exception with the specified detail message and failed object.

Parameters:

msg - the detail message.

failed - the failed object.

NucleusException

public NucleusException(String msg,
                        Throwable[] nested,
                        Object failed)

Constructs a new exception with the specified detail message, nested Throwables, and failed object.

Parameters:

msg - the detail message.

nested - the nested Throwable[].

failed - the failed object.

NucleusException

public NucleusException(String msg,
                        Throwable nested,
                        Object failed)

Constructs a new exception with the specified detail message, nested Throwable, and failed object.

Parameters:

msg - the detail message.

nested - the nested Throwable.

failed - the failed object.

Method Detail

setFatal

public NucleusException setFatal()

Method to set the exception as being fatal. Returns the exception so that user code can call "throw new NucleusException(...).setFatal();"

Returns:

This exception (for convenience)

isFatal

public boolean isFatal()

Accessor for whether the exception is fatal, or retriable.

Returns:

Whether it is fatal

getFailedObject

public Object getFailedObject()

The exception may include a failed object.

Returns:

the failed object.

setNestedException

public void setNestedException(Throwable nested)

getNestedExceptions

public Throwable[] getNestedExceptions()

The exception may have been caused by multiple exceptions in the runtime. If multiple objects caused the problem, each failed object will have its own Exception.

Returns:

the nested Throwable array.

getCause

public Throwable getCause()

Return the first nested exception (if any), otherwise null.

Overrides:

getCause in class Throwable

Returns:

the first or only nested Throwable.

printStackTrace

public void printStackTrace()

Prints this Exception and its backtrace to the standard error output. Print nested Throwables' stack trace as well.

Overrides:

printStackTrace in class Throwable

printStackTrace

public void printStackTrace(PrintStream s)

Prints this Exception and its backtrace to the specified print stream. Print nested Throwables' stack trace as well.

Overrides:

printStackTrace in class Throwable

Parameters:

s - PrintStream to use for output

printStackTrace

public void printStackTrace(PrintWriter s)

Prints this Exception and its backtrace to the specified print writer. Print nested Throwables' stack trace as well.

Overrides:

printStackTrace in class Throwable

Parameters:

s - PrintWriter to use for output