Constraint (Java SE 11 & JDK 11 )

java.lang.Object
- com.alibaba.rcm.Constraint

```
public class Constraint
extends Object
```
A Constraint is a pair of ResourceType and values. The constrained resource and specification of parameter values are documented in enum constants in ResourceType
A Constraint must be associated with one ResourceType, so we provide factory method ResourceType.newConstraint(long...) to implement this restriction. For example:
```
   Constraint cpuConstraint = ResourceType.CPU_PERCENT.newConstraint(30);
 
```
ResourceContainer and Constraint follow the one-to-many relationship. ResourceContainer.getConstraints() can fetch the Constraint associated with ResourceContainer.

Constructor Summary

Constructors
Modifier Constructor Description

protected Constraint(ResourceType type, long[] values)
Constraint should be instantiated by ResourceType.newConstraint(long...)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ResourceType`	`getResourceType()`	Returns the currently restricted resource type.
`long[]`	`getValues()`	Returns the constraint value of ResourceType described by a long[], which is documented on the ResourceType enums.

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

- Constructor Detail
  - Constraint
```
protected Constraint(ResourceType type,
                     long[] values)
```
    Constraint should be instantiated by ResourceType.newConstraint(long...)
- Method Detail
  - getResourceType
```
public ResourceType getResourceType()
```
    Returns the currently restricted resource type.
    
    Returns:
    
    resource type
  - getValues
```
public long[] getValues()
```
    Returns the constraint value of ResourceType described by a long[], which is documented on the ResourceType enums.
    The returned value is a copy of the internal storage array to prevent modification.
    
    Returns:
    
    constraint values