SchedulingConstraintRegistry (Nemo Project 0.4 API)

java.lang.Object
- org.apache.nemo.runtime.master.scheduler.SchedulingConstraintRegistry

@ThreadSafe
public final class SchedulingConstraintRegistry
extends java.lang.Object

Registry for SchedulingConstraint.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.Optional<SchedulingConstraint>`	`get(java.lang.Class<? extends VertexExecutionProperty> propertyClass)`	Returns `SchedulingConstraint` for the given `VertexExecutionProperty`.
`void`	`registerSchedulingConstraint(SchedulingConstraint policy)`	Registers a `SchedulingConstraint`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - registerSchedulingConstraint
```
public void registerSchedulingConstraint(SchedulingConstraint policy)
```
    Registers a SchedulingConstraint.
    
    Parameters:
    
    policy - the policy to register
  - get
```
public java.util.Optional<SchedulingConstraint> get(java.lang.Class<? extends VertexExecutionProperty> propertyClass)
```
    Returns SchedulingConstraint for the given VertexExecutionProperty.
    
    Parameters:
    
    propertyClass - VertexExecutionProperty class
    
    Returns:
    
    the corresponding SchedulingConstraint object, or Optional.EMPTY if no such policy was found