ReadableConfig (Flink : Core 2.0.0 API)

All Known Implementing Classes:

Configuration, DelegatingConfiguration, UnmodifiableConfiguration
```
@PublicEvolving
public interface ReadableConfig
```
Read access to a configuration object. Allows reading values described with meta information included in ConfigOption.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<T> T`	`get(ConfigOption<T> option)`	Reads a value using the metadata included in `ConfigOption`.
`<T> Optional<T>`	`getOptional(ConfigOption<T> option)`	Reads a value using the metadata included in `ConfigOption`.
`Map<String,String>`	`toMap()`	Converts the configuration items into a map of string key-value pairs.

- Method Detail
  - get
```
<T> T get(ConfigOption<T> option)
```
    Reads a value using the metadata included in ConfigOption. Returns the ConfigOption.defaultValue() if value key not present in the configuration.
    
    Type Parameters:
    
    T - type of the value to read
    
    Parameters:
    
    option - metadata of the option to read
    
    Returns:
    
    read value or ConfigOption.defaultValue() if not found
    
    See Also:
    
    getOptional(ConfigOption)
  - getOptional
```
<T> Optional<T> getOptional(ConfigOption<T> option)
```
    Reads a value using the metadata included in ConfigOption. In contrast to get(ConfigOption) returns Optional.empty() if value not present.
    
    Type Parameters:
    
    T - type of the value to read
    
    Parameters:
    
    option - metadata of the option to read
    
    Returns:
    
    read value or Optional.empty() if not found
    
    See Also:
    
    get(ConfigOption)
  - toMap
```
@Internal
Map<String,String> toMap()
```
    Converts the configuration items into a map of string key-value pairs.
    
    Returns:
    
    a map containing the configuration properties, where the keys are strings and the values are the corresponding configuration values in string format.