Rule (vanillagradle 0.2.1 API)

Type Parameters:

T - value type

All Known Implementing Classes:

FeatureRule, OperatingSystemRule
```
public interface Rule<T>
```
A rule that can filter elements of a collection.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`id()`	The id for declaring the rule value
`boolean`	`test(RuleContext context, T value)`	Test if the declared value matches the current environment.
`com.google.gson.reflect.TypeToken<T>`	`type()`	Data type of the rule.

- Method Detail
  - id
```
java.lang.String id()
```
    The id for declaring the rule value
    
    Returns:
    
    the rule ID
  - type
```
com.google.gson.reflect.TypeToken<T> type()
```
    Data type of the rule.
    This type will be used to deserialize rule values from a launcher metadata file.
    
    Returns:
    
    the rule data type
  - test
```
boolean test(RuleContext context,
             T value)
```
    Test if the declared value matches the current environment.
    
    Parameters:
    
    context - the context representing the current environment
    
    value - the rule value
    
    Returns:
    
    whether there is a match