ShardHelper

public class ShardHelper
extends Object implements IShardHelper

java.lang.Object
↳	com.android.tradefed.invoker.shard.ShardHelper

Known direct subclasses StrictShardHelper StrictShardHelper Sharding strategy to create strict shards that do not report together,

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Helper class that handles creating the shards and scheduling them for an invocation.

Summary

Fields
public static final String	LAST_SHARD_DETECTOR
public static final String	SHARED_TEST_INFORMATION

Public constructors
ShardHelper()

Public methods
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.

Protected methods
IGlobalConfiguration	getGlobalConfiguration() Returns the current global configuration.
void	validateOptions(TestInformation testInfo, IConfiguration config) Runs the IConfiguration#validateOptions() on the config.

Fields

LAST_SHARD_DETECTOR

public static final String LAST_SHARD_DETECTOR

SHARED_TEST_INFORMATION

public static final String SHARED_TEST_INFORMATION

Public constructors

ShardHelper

public ShardHelper ()

Public methods

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.

A successful shard action renders the current config empty, and invocation should not proceed.

Parameters
config	IConfiguration: the current IConfiguration.
testInfo	TestInformation: the TestInformation holding the tests information.
rescheduler	IRescheduler: the IRescheduler
logger	ITestLogger

Returns
boolean	true if test was sharded. Otherwise return false

See also:

• IShardableTest
• IRescheduler

Protected methods

getGlobalConfiguration

protected IGlobalConfiguration getGlobalConfiguration ()

Returns the current global configuration.

Returns
IGlobalConfiguration

validateOptions

protected void validateOptions (TestInformation testInfo, 
                IConfiguration config)

Runs the IConfiguration#validateOptions() on the config.

Parameters
testInfo	TestInformation
config	IConfiguration