org.apache.drill.exec.testing

Class ExecutionControls

java.lang.Object

org.apache.drill.exec.testing.ExecutionControls

public final class ExecutionControls
extends Object

Tracks the simulated controls that will be injected for testing purposes.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExecutionControls.ControlsOptionValidator The JSON specified for the ExecConstants.DRILLBIT_CONTROL_INJECTIONS option is validated using this class.
static class	ExecutionControls.InjectionMixIn

Field Summary

Fields

Modifier and Type	Field and Description
static com.fasterxml.jackson.databind.ObjectMapper	controlsOptionMapper
static String	DEFAULT_CONTROLS The default value for controls.

Constructor Summary

Constructors

Constructor and Description
ExecutionControls(OptionManager options, CoordinationProtos.DrillbitEndpoint endpoint)

Method Summary

Methods

Modifier and Type	Method and Description
CountDownLatchInjection	lookupCountDownLatchInjection(ExecutionControlsInjector injector, String desc) Look for a count down latch injection matching the given injector, site descriptor, and endpoint.
ExceptionInjection	lookupExceptionInjection(ExecutionControlsInjector injector, String desc) Look for an exception injection matching the given injector, site descriptor, and endpoint.
PauseInjection	lookupPauseInjection(ExecutionControlsInjector injector, String desc) Look for an pause injection matching the given injector, site descriptor, and endpoint.
void	unpauseAll() This method resumes all pauses within the current context (QueryContext or FragmentContext).
static void	validateControlsString(String jsonString)

Methods inherited from class java.lang.Object

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

Field Detail

controlsOptionMapper

public static final com.fasterxml.jackson.databind.ObjectMapper controlsOptionMapper

DEFAULT_CONTROLS

public static final String DEFAULT_CONTROLS

The default value for controls.

See Also:

Constant Field Values

Constructor Detail

ExecutionControls

public ExecutionControls(OptionManager options,
                 CoordinationProtos.DrillbitEndpoint endpoint)

Method Detail

validateControlsString

public static void validateControlsString(String jsonString)
                                   throws IOException

Throws:

IOException

lookupExceptionInjection

public ExceptionInjection lookupExceptionInjection(ExecutionControlsInjector injector,
                                          String desc)

Look for an exception injection matching the given injector, site descriptor, and endpoint.

Parameters:

injector - the injector, which indicates a class

desc - the injection site description

Returns:

the exception injection, if there is one for the injector, site and endpoint; null otherwise

lookupPauseInjection

public PauseInjection lookupPauseInjection(ExecutionControlsInjector injector,
                                  String desc)

Look for an pause injection matching the given injector, site descriptor, and endpoint.

Parameters:

injector - the injector, which indicates a class

desc - the injection site description

Returns:

the pause injection, if there is one for the injector, site and endpoint; null otherwise

lookupCountDownLatchInjection

public CountDownLatchInjection lookupCountDownLatchInjection(ExecutionControlsInjector injector,
                                                    String desc)

Look for a count down latch injection matching the given injector, site descriptor, and endpoint.

Parameters:

injector - the injector, which indicates a class

desc - the injection site description

Returns:

the count down latch injection, if there is one for the injector, site and endpoint; otherwise, a latch that does nothing

unpauseAll

public void unpauseAll()

This method resumes all pauses within the current context (QueryContext or FragmentContext).