ParametersProvider

All Known Subinterfaces:

CompositeParametersProvider, ContainsAwareParametersProvider, MapParametersProvider

All Known Implementing Classes:

AbstractMapParametersProvider, AliasParametersProvider, CaseInsensitiveParametersProvider, CompositeParametersProviderImpl, DelegatingParametersProvider, MapParametersProviderImpl, PrefixedParametersProvider
```
public interface ParametersProvider
```
A map of parameters where key is parameter name and value is parameter value.

Author:

Yegor.Yarko Date: 10.06.2008

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`get(java.lang.String key)`
`java.util.Map<java.lang.String,java.lang.String>`	`getAll()`	Allows to get map of the provided parameters.
`int`	`size()`	Returns the number of parameters in this parameters provider.

- Method Detail
  - get
```
@Nullable
java.lang.String get(@NotNull
                     java.lang.String key)
```
    Parameters:
    
    key - the name of the parameter
    
    Returns:
    
    the value associated with a key, or null if the parameter with the key cannot be found.
  - size
```
int size()
```
    Returns the number of parameters in this parameters provider. This is the size of the map returned by getAll method.
  - getAll
```
java.util.Map<java.lang.String,java.lang.String> getAll()
```
    Allows to get map of the provided parameters. Note that get method can provide more parameters then are returned by this method. However, all the parameters returned by this method should also be available via get method.
    
    Returns:
    
    copy of the backed data