Package org.apache.drill.exec.testing

Class ExceptionInjection

java.lang.Object

org.apache.drill.exec.testing.Injection

org.apache.drill.exec.testing.ExceptionInjection

public class ExceptionInjection
extends Injection

Injection for a single exception. Specifies how many times to inject it, and how many times to skip injecting it before the first injection. This class is used internally for tracking injected exceptions; injected exceptions are specified via the ExecConstants.DRILLBIT_CONTROL_INJECTIONS session option.

Field Summary

Fields inherited from class org.apache.drill.exec.testing.Injection

address, desc, port, siteClass

Method Summary

Modifier and Type	Method	Description
<T extends Throwable> void	throwChecked(Class<T> exceptionClass)	Throw the checked exception specified by this injection.
void	throwUnchecked()	Throw the unchecked exception specified by this injection.

Methods inherited from class org.apache.drill.exec.testing.Injection

getDesc, getMsPause, getSiteClass, injectNow, isValidForBit, toString

Methods inherited from class java.lang.Object

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

Method Details

throwUnchecked

public void throwUnchecked()

Throw the unchecked exception specified by this injection.

Throws:

IllegalStateException - if it's time to throw, and the injection specified a checked exception

throwChecked

public <T extends Throwable> void throwChecked(Class<T> exceptionClass)
                                        throws T

Throw the checked exception specified by this injection.

Parameters:

exceptionClass - the class of the exception to throw

Throws:

T - if it is time to throw the exception

IllegalStateException - if it is time to throw the exception, and the exception's class is incompatible with the class specified by the injection