ClusterResourceStatisticsProvider (Flink : Runtime 2.1.0 API)

All Known Implementing Classes:

FineGrainedTaskManagerTracker
```
public interface ClusterResourceStatisticsProvider
```
Provides statistics of cluster resources.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ResourceProfile`	`getFreeResource()`	Get profile of total free resources.
`ResourceProfile`	`getFreeResourceOf(InstanceID instanceId)`	Get profile of free resources from the TaskManager with the given instance id.
`int`	`getNumberFreeSlots()`	Get total number of free slots.
`int`	`getNumberFreeSlotsOf(InstanceID instanceId)`	Get number of free slots from the TaskManager with the given instance id.
`int`	`getNumberRegisteredSlots()`	Get total number of registered slots.
`int`	`getNumberRegisteredSlotsOf(InstanceID instanceId)`	Get number of registered slots from the TaskManager with the given instance id.
`ResourceProfile`	`getPendingResource()`	Get profile of total pending resources.
`ResourceProfile`	`getRegisteredResource()`	Get profile of total registered resources.
`ResourceProfile`	`getRegisteredResourceOf(InstanceID instanceId)`	Get profile of registered resources from the TaskManager with the given instance id.

- Method Detail
  - getNumberRegisteredSlots
```
int getNumberRegisteredSlots()
```
    Get total number of registered slots.
  - getNumberRegisteredSlotsOf
```
int getNumberRegisteredSlotsOf(InstanceID instanceId)
```
    Get number of registered slots from the TaskManager with the given instance id.
  - getNumberFreeSlots
```
int getNumberFreeSlots()
```
    Get total number of free slots.
  - getNumberFreeSlotsOf
```
int getNumberFreeSlotsOf(InstanceID instanceId)
```
    Get number of free slots from the TaskManager with the given instance id.
  - getRegisteredResource
```
ResourceProfile getRegisteredResource()
```
    Get profile of total registered resources.
  - getRegisteredResourceOf
```
ResourceProfile getRegisteredResourceOf(InstanceID instanceId)
```
    Get profile of registered resources from the TaskManager with the given instance id.
  - getFreeResource
```
ResourceProfile getFreeResource()
```
    Get profile of total free resources.
  - getFreeResourceOf
```
ResourceProfile getFreeResourceOf(InstanceID instanceId)
```
    Get profile of free resources from the TaskManager with the given instance id.
  - getPendingResource
```
ResourceProfile getPendingResource()
```
    Get profile of total pending resources.