Command (command-plugin 0.0.3 API)

```
public interface Command<R,T>
```
Author:

Eko Kurniawan Khannedy

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`default String`	`cacheKey(R request)` Get cache key, if `null` this command result will not be cached
`default Collection<String>`	`evictKeys(R request)` Get evict keys, if `null` this command will not trigger evict in cache
`rx.Single<T>`	`execute(R request)` Command logic implementation
`default rx.Single<T>`	`fallback(Throwable throwable, R request)` If `execute(Object)` produce error, this method will executed as fallback method
`default String`	`group()` Get group name
`default String`	`key()` Get command key
`default Class<T>`	`responseClass()` Get return class for cache serialization
`default boolean`	`validateRequest()` Is request need to be validated before execute command

- Method Detail
  - execute
```
rx.Single<T> execute(R request)
```
    Command logic implementation
    
    Parameters:
    
    request - command request
    
    Returns:
    
    command response in Single
  - fallback
```
default rx.Single<T> fallback(Throwable throwable,
                              R request)
```
    If execute(Object) produce error, this method will executed as fallback method
    
    Parameters:
    
    throwable - error from execute(Object)
    
    request - command request
    
    Returns:
    
    fallback command response
  - key
```
default String key()
```
    Get command key
    
    Returns:
    
    command key
  - group
```
default String group()
```
    Get group name
    
    Returns:
    
    group name
  - cacheKey
```
default String cacheKey(R request)
```
    Get cache key, if null this command result will not be cached
    
    Parameters:
    
    request - command request
    
    Returns:
    
    cache key
  - evictKeys
```
default Collection<String> evictKeys(R request)
```
    Get evict keys, if null this command will not trigger evict in cache
    
    Parameters:
    
    request - command request
    
    Returns:
    
    evict keys
  - responseClass
```
default Class<T> responseClass()
```
    Get return class for cache serialization
    
    Returns:
    
    response class
  - validateRequest
```
default boolean validateRequest()
```
    Is request need to be validated before execute command
    
    Returns:
    
    true if need, false if not need

Interface Command<R,T>

Method Summary

Method Detail

execute

fallback

key

group

cacheKey

evictKeys

responseClass

validateRequest