ResourceMapArrayBridge (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.scheduler.resource.normalization.ResourceMapArrayBridge

```
public class ResourceMapArrayBridge
extends Object
```
Provides translation between normalized resource maps and resource value arrays. Some operations use resource value arrays instead of the full normalized resource map as an optimization. See NormalizedResources.

Constructor Summary

Constructors
Constructor Description

ResourceMapArrayBridge()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double[]`	`empty()`	Create an array that has all values 0.
`Map<String,Integer>`	`getResourceNamesToArrayIndex()`
`Map<String,Double>`	`translateFromResourceArray(double[] resources)`	Translates an array of resource values to a normalized resource map.
`double[]`	`translateToResourceArray(Map<String,Double> normalizedResources)`	Translates a normalized resource map to an array of resource values.

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

- Constructor Detail
  - ResourceMapArrayBridge
```
public ResourceMapArrayBridge()
```
- Method Detail
  - translateToResourceArray
```
public double[] translateToResourceArray(Map<String,Double> normalizedResources)
```
    Translates a normalized resource map to an array of resource values. Each resource name will be assigned an index in the array, which is guaranteed to be consistent with subsequent invocations of this method. Note that CPU and memory resources are not translated by this method, as they are expected to be captured elsewhere.
    
    Parameters:
    
    normalizedResources - The resources to translate to an array
    
    Returns:
    
    The array of resource values
  - empty
```
public double[] empty()
```
    Create an array that has all values 0.
    
    Returns:
    
    the empty array.
  - translateFromResourceArray
```
public Map<String,Double> translateFromResourceArray(double[] resources)
```
    Translates an array of resource values to a normalized resource map.
    
    Parameters:
    
    resources - The resource array to translate
    
    Returns:
    
    The normalized resource map
  - getResourceNamesToArrayIndex
```
public Map<String,Integer> getResourceNamesToArrayIndex()
```