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,

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`