org.apache.twill.internal

Class DefaultTwillSpecification

java.lang.Object

org.apache.twill.internal.DefaultTwillSpecification

All Implemented Interfaces:

TwillSpecification

public final class DefaultTwillSpecification
extends Object
implements TwillSpecification

Straightforward implementation of TwillSpecification.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefaultTwillSpecification.DefaultOrder Straightforward implementation of Order.
static class	DefaultTwillSpecification.DefaultPlacementPolicy Straightforward implementation of TwillSpecification.PlacementPolicy.

Nested classes/interfaces inherited from interface org.apache.twill.api.TwillSpecification

TwillSpecification.Builder, TwillSpecification.Order, TwillSpecification.PlacementPolicy

Constructor Summary

Constructors

Constructor and Description
DefaultTwillSpecification(String name, Map<String,RuntimeSpecification> runnables, List<TwillSpecification.Order> orders, List<TwillSpecification.PlacementPolicy> placementPolicies, EventHandlerSpecification eventHandler)

Method Summary

Modifier and Type	Method and Description
EventHandlerSpecification	getEventHandler()
String	getName()
List<TwillSpecification.Order>	getOrders()
List<TwillSpecification.PlacementPolicy>	getPlacementPolicies()
Map<String,RuntimeSpecification>	getRunnables()

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultTwillSpecification

public DefaultTwillSpecification(String name,
                                 Map<String,RuntimeSpecification> runnables,
                                 List<TwillSpecification.Order> orders,
                                 List<TwillSpecification.PlacementPolicy> placementPolicies,
                                 EventHandlerSpecification eventHandler)

Method Detail

getName

public String getName()

Specified by:

getName in interface TwillSpecification

Returns:

Name of the application.

getRunnables

public Map<String,RuntimeSpecification> getRunnables()

Specified by:

getRunnables in interface TwillSpecification

Returns:

A map from TwillRunnable name to RuntimeSpecification.

getOrders

public List<TwillSpecification.Order> getOrders()

Specified by:

getOrders in interface TwillSpecification

Returns:

Returns a list of runnable names that should be executed in the given order.

getPlacementPolicies

public List<TwillSpecification.PlacementPolicy> getPlacementPolicies()

Specified by:

getPlacementPolicies in interface TwillSpecification

Returns:

Returns all TwillSpecification.PlacementPolicy for this application.

getEventHandler

@Nullable
public EventHandlerSpecification getEventHandler()

Specified by:

getEventHandler in interface TwillSpecification

Returns:

The EventHandlerSpecification for the EventHandler to be used for this application, or null if no event handler has been provided.