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IInvocationExecution

public interface IInvocationExecution

com.android.tradefed.invoker.IInvocationExecution

Known indirect subclasses

DelegatedInvocationExecution, InvocationExecution, ParentSandboxInvocationExecution, RemoteInvocationExecution, SandboxedInvocationExecution

DelegatedInvocationExecution	`InvocationExecution` which delegate the execution to another Tradefed binary.
InvocationExecution	Class that describes all the invocation steps: build download, target_prep, run tests, clean up.
ParentSandboxInvocationExecution	Version of `InvocationExecution` for the parent invocation special actions when running a sandbox.
RemoteInvocationExecution	Implementation of `InvocationExecution` that drives a remote execution.
SandboxedInvocationExecution	Special sandbox execution of the invocation: This is the InvocationExection for when we are inside the sandbox running the command.

Interface describing the actions that will be done as part of an invocation. The invocation TestInvocation itself ensure the order of the calls.

Summary

Public methods
`default void`	`cleanUpBuilds(IInvocationContext context, IConfiguration config)` Execute the build_provider clean up step.
`default void`	`doCleanUp(IInvocationContext context, IConfiguration config, Throwable exception)` Execute the target_preparer and multi_target_preparer cleanUp step.
`default void`	`doSetup(TestInformation testInfo, IConfiguration config, ITestLogger logger)` Execute the target_preparer and multi_target_preparer setUp step.
`default void`	`doTeardown(TestInformation testInfo, IConfiguration config, ITestLogger logger, Throwable exception)` Execute the target_preparer and multi_target_preparer teardown step.
`default boolean`	`fetchBuild(TestInformation testInfo, IConfiguration config, IRescheduler rescheduler, ITestInvocationListener listener)` Execute the build_provider step of the invocation.
`abstract void`	`reportLogs(ITestDevice device, ITestLogger logger, TestInvocation.Stage stage)` Report some device logs at different stage of the invocation.
`default void`	`runDevicePostInvocationTearDown(IInvocationContext context, IConfiguration config, Throwable exception)` Invoke the `ITestDevice#postInvocationTearDown(Throwable)` for each device part of the invocation.
`default void`	`runDevicePreInvocationSetup(IInvocationContext context, IConfiguration config, ITestLogger logger)` Invoke the `ITestDevice#preInvocationSetup(IBuildInfo)` for each device part of the invocation.
`default void`	`runTests(TestInformation info, IConfiguration config, ITestInvocationListener listener)` Runs the test.
`default boolean`	`shardConfig(IConfiguration config, TestInformation testInfo, IRescheduler rescheduler, ITestLogger logger)` Attempt to shard the configuration into sub-configurations, to be re-scheduled to run on multiple resources in parallel.

Public methods

cleanUpBuilds

public void cleanUpBuilds (IInvocationContext context, 
                IConfiguration config)

Execute the build_provider clean up step. Associated with the build fetching.

Parameters
`context`	`IInvocationContext`: the `IInvocationContext` of the invocation.
`config`	`IConfiguration`: the `IConfiguration` of this test run.

doCleanUp

public void doCleanUp (IInvocationContext context, 
                IConfiguration config, 
                Throwable exception)

Execute the target_preparer and multi_target_preparer cleanUp step. Does the devices clean up.

Parameters
`context`	`IInvocationContext`: the `IInvocationContext` of the invocation.
`config`	`IConfiguration`: the `IConfiguration` of this test run.
`exception`	`Throwable`: the original exception thrown by the test running.

doSetup

public void doSetup (TestInformation testInfo, 
                IConfiguration config, 
                ITestLogger logger)

Execute the target_preparer and multi_target_preparer setUp step. Does all the devices setup required for the test to run.

Parameters
`testInfo`	`TestInformation`: the `TestInformation` of the invocation.
`config`	`IConfiguration`: the `IConfiguration` of this test run.
`logger`	`ITestLogger`: the `ITestLogger` to report setup failures logs.

Throws
	com.android.tradefed.targetprep.TargetSetupError
	com.android.tradefed.targetprep.BuildError
`DeviceNotAvailableException`
`BuildError`
`TargetSetupError`

doTeardown

public void doTeardown (TestInformation testInfo, 
                IConfiguration config, 
                ITestLogger logger, 
                Throwable exception)

Execute the target_preparer and multi_target_preparer teardown step. Does the devices tear down associated with the setup.

Parameters
`testInfo`	`TestInformation`: the `TestInformation` of the invocation.
`config`	`IConfiguration`: the `IConfiguration` of this test run.
`logger`	`ITestLogger`: the `ITestLogger` to report logs.
`exception`	`Throwable`: the original exception thrown by the test running.

Throws
`Throwable`

fetchBuild

public boolean fetchBuild (TestInformation testInfo, 
                IConfiguration config, 
                IRescheduler rescheduler, 
                ITestInvocationListener listener)

Execute the build_provider step of the invocation.

Parameters
`testInfo`	`TestInformation`: the `TestInformation` of the invocation.
`config`	`IConfiguration`: the `IConfiguration` of this test run.
`rescheduler`	`IRescheduler`: the `IRescheduler`, for rescheduling portions of the invocation for execution on another resource(s)
`listener`	`ITestInvocationListener`: the `ITestInvocation` to report build download failures.

Returns
`boolean`	True if we successfully downloaded the build, false otherwise.

Throws
	com.android.tradefed.build.BuildRetrievalError
`DeviceNotAvailableException`
`BuildRetrievalError`

reportLogs

public abstract void reportLogs (ITestDevice device, 
                ITestLogger logger, 
                TestInvocation.Stage stage)

Report some device logs at different stage of the invocation. For example: logcat.

Parameters
`device`	`ITestDevice`: The device to report logs from.
`logger`	`ITestLogger`: The logger for the logs.
`stage`	`TestInvocation.Stage`: The stage of the invocation we are at.

runDevicePostInvocationTearDown

public void runDevicePostInvocationTearDown (IInvocationContext context, 
                IConfiguration config, 
                Throwable exception)

Invoke the ITestDevice#postInvocationTearDown(Throwable) for each device part of the invocation.

Parameters
`context`	`IInvocationContext`: the `IInvocationContext` of the invocation.
`config`	`IConfiguration`: the `IConfiguration` of this test run.
`exception`	`Throwable`: the original exception thrown by the test running if any.

runDevicePreInvocationSetup

public void runDevicePreInvocationSetup (IInvocationContext context, 
                IConfiguration config, 
                ITestLogger logger)

Invoke the ITestDevice#preInvocationSetup(IBuildInfo) for each device part of the invocation.

Parameters
`context`	`IInvocationContext`: the `IInvocationContext` of the invocation.
`config`	`IConfiguration`: the `IConfiguration` of this test run.
`logger`	`ITestLogger`: the `ITestLogger` to report logs.

Throws
	com.android.tradefed.device.DeviceNotAvailableException
`TargetSetupError`
`DeviceNotAvailableException`

runTests

public void runTests (TestInformation info, 
                IConfiguration config, 
                ITestInvocationListener listener)

Runs the test.

Parameters
`info`	`TestInformation`: the `TestInformation` to run tests with.
`config`	`IConfiguration`: the `IConfiguration` to run
`listener`	`ITestInvocationListener`: the `ITestInvocationListener` of test results

Throws
`Throwable`

shardConfig

public boolean shardConfig (IConfiguration config, 
                TestInformation testInfo, 
                IRescheduler rescheduler, 
                ITestLogger logger)

Attempt to shard the configuration into sub-configurations, to be re-scheduled to run on multiple resources in parallel.

If a shard count is greater than 1, it will simply create configs for each shard by setting shard indices and reschedule them. If a shard count is not set,it would fallback to IShardHelper#shardConfig.

Parameters
`config`	`IConfiguration`: the current `IConfiguration`.
`testInfo`	`TestInformation`: the `TestInformation` holding the info of the tests.
`rescheduler`	`IRescheduler`: the `IRescheduler`.
`logger`	`ITestLogger`: `ITestLogger` used to log file during sharding.

Returns
`boolean`	true if test was sharded. Otherwise return `false`