FeatureManager (Azure SDK for Java Reference Documentation)

java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap<String,Object>
  - - com.azure.spring.cloud.feature.manager.FeatureManager

All Implemented Interfaces:

Serializable, Cloneable, Map<String,Object>
```
@Component("FeatureManagement")
@ConfigurationProperties(prefix="feature-management")
public class FeatureManager
extends HashMap<String,Object>
```
Holds information on Feature Management properties and can check if a given feature is enabled.

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.util.AbstractMap
  AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K extends Object,V extends Object>

Constructor Summary

Constructors
Constructor Description

FeatureManager(FeatureManagementConfigProperties properties)
Used to evaluate whether a feature is enabled or disabled.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Set<String>`	`getAllFeatureNames()`	Returns the names of all features flags
`Mono<Boolean>`	`isEnabledAsync(String feature)`	Checks to see if the feature is enabled.
`void`	`putAll(Map<? extends String,? extends Object> m)`

Methods inherited from class java.util.HashMap
clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap
equals, hashCode, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map
equals, hashCode

- Constructor Detail
  - FeatureManager
```
public FeatureManager(FeatureManagementConfigProperties properties)
```
    Used to evaluate whether a feature is enabled or disabled.
    
    Parameters:
    
    properties - Configuration options for Feature Management
- Method Detail
  - isEnabledAsync
```
public Mono<Boolean> isEnabledAsync(String feature)
                             throws FilterNotFoundException
```
    Checks to see if the feature is enabled. If enabled it check each filter, once a single filter returns true it returns true. If no filter returns true, it returns false. If there are no filters, it returns true. If feature isn't found it returns false.
    
    Parameters:
    
    feature - Feature being checked.
    
    Returns:
    
    state of the feature
    
    Throws:
    
    FilterNotFoundException - file not found
  - putAll
```
public void putAll(Map<? extends String,? extends Object> m)
```
    Specified by:
    
    putAll in interface Map<String,Object>
    
    Overrides:
    
    putAll in class HashMap<String,Object>
  - getAllFeatureNames
```
public Set<String> getAllFeatureNames()
```
    Returns the names of all features flags
    
    Returns:
    
    a set of all feature names