com.microsoft.azure.management.resources.fluentcore.dag

Class TaskGroup<ResultT,TaskT extends TaskItem<ResultT>>

java.lang.Object

com.microsoft.azure.management.resources.fluentcore.dag.Graph<DataT,NodeT>

com.microsoft.azure.management.resources.fluentcore.dag.DAGraph<TaskT,com.microsoft.azure.management.resources.fluentcore.dag.TaskGroupEntry<ResultT,TaskT>>

com.microsoft.azure.management.resources.fluentcore.dag.TaskGroup<ResultT,TaskT>

Type Parameters:

ResultT - type of the result returned by the tasks in the group

TaskT - type of the tasks in the group that can return a value

public class TaskGroup<ResultT,TaskT extends TaskItem<ResultT>>
extends DAGraph<TaskT,com.microsoft.azure.management.resources.fluentcore.dag.TaskGroupEntry<ResultT,TaskT>>

Type representing a group of task entries, each entry holds a TaskItem and associated dependency information.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TaskGroup.HasTaskGroup<T,U extends TaskItem<T>> An interface representing a type that is a part of TaskGroup.

Field Summary

Fields inherited from class com.microsoft.azure.management.resources.fluentcore.dag.Graph

graph

Constructor Summary

Constructors

Constructor and Description
TaskGroup(String rootTaskItemId, TaskT rootTaskItem, TaskGroupTerminateOnErrorStrategy taskGroupTerminateOnErrorStrategy) Creates TaskGroup.

Method Summary

Modifier and Type	Method and Description
rx.Observable<ResultT>	executeAsync() Executes tasks in the group.
void	merge(TaskGroup<ResultT,TaskT> parentTaskGroup) Merge this group with the given group containing root task depends on this group.
ResultT	taskResult(String taskId) Gets the result produced by a task in the group.

Methods inherited from class com.microsoft.azure.management.resources.fluentcore.dag.DAGraph

getNext, getNode, hasParent, isPreparer, isRootNode, merge, mergeChildToParent, prepare, reportCompletion, reportError

Methods inherited from class com.microsoft.azure.management.resources.fluentcore.dag.Graph

addNode, findPath, getNodes, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskGroup

public TaskGroup(String rootTaskItemId,
                 TaskT rootTaskItem,
                 TaskGroupTerminateOnErrorStrategy taskGroupTerminateOnErrorStrategy)

Creates TaskGroup.

Parameters:

rootTaskItemId - the id of the root task in the group

rootTaskItem - the root task

taskGroupTerminateOnErrorStrategy - group termination strategy to be used on error

Method Detail

taskResult

public ResultT taskResult(String taskId)

Gets the result produced by a task in the group.

Parameters:

taskId - the task item id

Returns:

the task result, null will be returned if task has not yet been executed

merge

public void merge(TaskGroup<ResultT,TaskT> parentTaskGroup)

Merge this group with the given group containing root task depends on this group.

Parameters:

parentTaskGroup - the parent task group

executeAsync

public rx.Observable<ResultT> executeAsync()

Executes tasks in the group.

Returns:

an observable that emits the result of tasks in the order they finishes.