com.mesosphere.sdk.scheduler.plan

Interface PlanManager

All Known Implementing Classes:

DefaultPlanManager, DefaultRecoveryPlanManager

public interface PlanManager

PlanManager is the management interface for Plans. Its main purpose is to apply Strategy objects to Elements.

Method Summary

Modifier and Type	Method and Description
java.util.Collection<? extends Step>	getCandidates(java.util.Collection<PodInstanceRequirement> dirtyAssets) Determines the next Steps that should be considered for scheduling.
java.util.Set<PodInstanceRequirement>	getDirtyAssets() Returns a Set of assets that are dirty, i.e.
Plan	getPlan()
void	update(TaskStatus status) Notifies constituent elements of TaskStatus updates.

Method Detail

getPlan

Plan getPlan()

Returns:

the Plan being managed by this instance

getCandidates

java.util.Collection<? extends Step> getCandidates(java.util.Collection<PodInstanceRequirement> dirtyAssets)

Determines the next Steps that should be considered for scheduling. Steps that are being selected by other PlanManagers are provided as dirtyAssets as a hint to this PlanManager to assist with scheduling.

Parameters:

dirtyAssets - Other Steps/assets that are already claimed for scheduling elsewhere

Returns:

One or more Steps that can be scheduled or an empty Collection when there is no Step to schedule, which may happen if for example all incomplete Steps are already being worked on by other PlanManagers

update

void update(TaskStatus status)

Notifies constituent elements of TaskStatus updates.

Parameters:

status - A TaskStatus from Mesos.

getDirtyAssets

java.util.Set<PodInstanceRequirement> getDirtyAssets()

Returns a Set of assets that are dirty, i.e. being worked upon by the Plan that this PlanManager is working on.

Returns:

A Set containing assets that are dirty