Source.Builder (Helidon Project 2.6.9 API)

Type Parameters:

B - type implementation class of this interface

All Known Subinterfaces:

ParsableSource.Builder<B>

All Known Implementing Classes:

AbstractConfigSourceBuilder, AbstractSourceBuilder, ClasspathConfigSource.Builder, ClasspathOverrideSource.Builder, ConfigSources.SystemPropertiesConfigSource.Builder, DirectoryConfigSource.Builder, EtcdConfigSourceBuilder, FileConfigSource.Builder, FileOverrideSource.Builder, GitConfigSourceBuilder, MapConfigSource.Builder, MapConfigSource.MapBuilder, UrlConfigSource.Builder, UrlOverrideSource.Builder

Enclosing interface:

Source
```
public static interface Source.Builder<B extends Source.Builder<B>>
```
Configurable options of a Source.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default B`	`optional()`	Configure this source to be optional.
`B`	`optional(boolean optional)`	Whether the source is optional or not.
`B`	`retryPolicy(Supplier<? extends RetryPolicy> policy)`	Configure a retry policy to be used with this source.

- Method Detail
  - retryPolicy
```
B retryPolicy(Supplier<? extends RetryPolicy> policy)
```
    Configure a retry policy to be used with this source. If none is configured, the source is invoked directly with no retries.
    
    Parameters:
    
    policy - retry policy to use
    
    Returns:
    
    updated builder instance
  - optional
```
B optional(boolean optional)
```
    Whether the source is optional or not. When configured to be optional, missing underlying data do not cause an exception to be raised.
    
    Parameters:
    
    optional - true when this source should be optional
    
    Returns:
    
    updated builder instance
  - optional
```
default B optional()
```
    Configure this source to be optional.
    Same as calling optional(true).
    
    Returns:
    
    updated builder instance