Uses of Package
org.apache.twill.api

Packages that use org.apache.twill.api

Package	Description
org.apache.twill.api	Classes in this package provides core functionality of the Twill library.
org.apache.twill.api.security
org.apache.twill.ext
org.apache.twill.yarn	Classes in this package implement the Twill API for Apache Hadoop YARN.

Classes in org.apache.twill.api used by org.apache.twill.api

Class and Description
ClassAcceptor Class that can be used to determine if class can be accepted.
Command Represents command objects.
Command.Builder Builder for creating Command object.
ElectionHandler Handles events of election/un-election of leader.
EventHandler A callback handler for acting on application events related to TwillRunnable lifecycle events.
EventHandler.TimeoutAction Represents action to act upon runnable launch timeout.
EventHandler.TimeoutEvent This class holds information about a launch timeout event.
EventHandlerContext Represents runtime context for EventHandler.
EventHandlerSpecification Specification for EventHandler.
Hosts Represents a list of hosts.
LocalFile This interface represents a local file that will be available for the container running a TwillRunnable.
Racks Represents a list of Racks.
ResourceReport This interface provides a snapshot of the resources an application is using broken down by each runnable.
ResourceSpecification This interface provides specifications for resource requirements including set and get methods for number of cores, amount of memory, and number of instances.
ResourceSpecification.Builder.AfterInstances
ResourceSpecification.Builder.AfterMemory
ResourceSpecification.Builder.AfterUplink
ResourceSpecification.Builder.Build
ResourceSpecification.Builder.CoreSetter
ResourceSpecification.Builder.Done
ResourceSpecification.Builder.MemorySetter
ResourceSpecification.SizeUnit Unit for specifying memory size.
RunId Represents the unique ID of a particular execution.
RuntimeSpecification Specifications for runtime requirements.
SecureStore Represents storage of secure tokens.
SecureStoreUpdater Deprecated. This class doesn't handle user correctly, use SecureStoreRenewer instead
ServiceAnnouncer This interface provides a way to announce the availability of a service.
ServiceController This interface is for controlling a remote running service.
ServiceController.TerminationStatus Enum to represent termination status of the application when it completed.
TwillApplication Represents a application that can be launched by Twill.
TwillContext Represents the runtime context of a TwillRunnable.
TwillController For controlling a running application.
TwillPreparer This interface exposes methods to set up the Twill runtime environment and start a Twill application.
TwillRunnable The TwillRunnable interface should be implemented by any class whose instances are intended to be executed in a Twill cluster.
TwillRunnableSpecification Represents a specification of a TwillRunnable.
TwillRunnableSpecification.Builder.AfterConfigs
TwillRunnableSpecification.Builder.AfterName
TwillRunnableSpecification.Builder.NameSetter
TwillRunner This interface prepares execution of TwillRunnable and TwillApplication.
TwillRunner.LiveInfo Interface to represents information of a live application.
TwillRunResources Information about the container the TwillRunnable is running in.
TwillSpecification Represents specification of a TwillApplication.
TwillSpecification.Builder.AfterName
TwillSpecification.Builder.AfterOrder
TwillSpecification.Builder.AfterPlacementPolicy Interface to define execution order after adding placement policies.
TwillSpecification.Builder.AfterRunnable
TwillSpecification.Builder.FirstOrder
TwillSpecification.Builder.LocalFileAdder
TwillSpecification.Builder.MoreFile
TwillSpecification.Builder.MorePlacementPolicies Interface to add placement policies to the application.
TwillSpecification.Builder.MoreRunnable
TwillSpecification.Builder.NameSetter
TwillSpecification.Builder.NextOrder
TwillSpecification.Builder.PlacementPolicySetter
TwillSpecification.Builder.RunnableSetter
TwillSpecification.Builder.RuntimeSpecificationAdder For setting runtime specific settings.
TwillSpecification.Order Defines execution order.
TwillSpecification.Order.Type
TwillSpecification.PlacementPolicy Defines a container placement policy.
TwillSpecification.PlacementPolicy.Type Lists different types of Placement Policies available.

Classes in org.apache.twill.api used by org.apache.twill.api.security

Class and Description
RunId Represents the unique ID of a particular execution.
SecureStore Represents storage of secure tokens.

Classes in org.apache.twill.api used by org.apache.twill.ext

Class and Description
Command Represents command objects.
TwillContext Represents the runtime context of a TwillRunnable.
TwillRunnable The TwillRunnable interface should be implemented by any class whose instances are intended to be executed in a Twill cluster.
TwillRunnableSpecification Represents a specification of a TwillRunnable.

Classes in org.apache.twill.api used by org.apache.twill.yarn

Class and Description
ResourceSpecification This interface provides specifications for resource requirements including set and get methods for number of cores, amount of memory, and number of instances.
RunId Represents the unique ID of a particular execution.
SecureStore Represents storage of secure tokens.
SecureStoreUpdater Deprecated. This class doesn't handle user correctly, use SecureStoreRenewer instead
TwillApplication Represents a application that can be launched by Twill.
TwillController For controlling a running application.
TwillPreparer This interface exposes methods to set up the Twill runtime environment and start a Twill application.
TwillRunnable The TwillRunnable interface should be implemented by any class whose instances are intended to be executed in a Twill cluster.
TwillRunner This interface prepares execution of TwillRunnable and TwillApplication.
TwillRunner.LiveInfo Interface to represents information of a live application.
TwillRunnerService A TwillRunner that provides lifecycle management functions.