Source (Helidon Project 2.6.13 API)

All Known Subinterfaces:

ConfigSource, NodeConfigSource, OverrideSource, ParsableSource

All Known Implementing Classes:

AbstractConfigSource, AbstractSource, ClasspathConfigSource, ClasspathOverrideSource, ConfigSources.SystemPropertiesConfigSource, DirectoryConfigSource, EtcdConfigSource, FileConfigSource, FileOverrideSource, GitConfigSource, InMemoryOverrideSource, MapConfigSource, PrefixedConfigSource, UrlConfigSource, UrlOverrideSource
```
public interface Source
```
Source of data. The actual loading of the data depends on the type of the source.

See Also:

ParsableSource, NodeConfigSource, LazyConfigSource

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

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

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default String`	`description()`	Short, human-readable summary referring to the underlying source.
`default boolean`	`exists()`	If the underlying data exist at this time.
`default boolean`	`optional()`	Whether this source is optional.
`default Optional<RetryPolicy>`	`retryPolicy()`	Retry policy configured on this config source.

- Method Detail
  - description
```
default String description()
```
    Short, human-readable summary referring to the underlying source.
    For example, a file path or a URL or any other information that helps the user recognize the underlying origin of the data this Source provides.
    Default is the implementation class simple name with any "Source" suffix removed.
    
    Returns:
    
    description of the source
  - exists
```
default boolean exists()
```
    If the underlying data exist at this time. This is to prevent us loading such a source if we know it does not exist.
    
    Returns:
    
    true if the source exists, false otherwise
  - retryPolicy
```
default Optional<RetryPolicy> retryPolicy()
```
    Retry policy configured on this config source.
    
    Returns:
    
    configured retry policy
  - optional
```
default boolean optional()
```
    Whether this source is optional.
    
    Returns:
    
    return true for optional source, returns false by default