IRegistry

```
public interface IRegistry
```
webAppOS Registry API. Used by webAppOS apps to access Registry. In addition, Registry drivers implement this API to provide access to a remote registry that can be mounted into the "users/[login]" branch.

Author:

Sergejs Kozlovics

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`com.google.gson.JsonElement`	`getValue(java.lang.String key)`	Gets the value of the given registry key.
`boolean`	`setValue(java.lang.String key, java.lang.Object value)`	Sets the given registry value.

- Method Detail
  - getValue
```
com.google.gson.JsonElement getValue(java.lang.String key)
```
    Gets the value of the given registry key. If the key is pointing to a final node, a value of some primitive type is returned. Otherwise, a JSON object representing the registry subtree is returned.
    
    Parameters:
    
    key - a registry key specified as the path starting with one of the predefined registry root keys ("users", "xusers", "apps", etc.) and delimited by "/"; as a special key, one can use #xusers to obtain the number of documents in the xusers registry branch
    
    Returns:
    
    a JSON element (the final element or a branch); null, if the registry key not found or an error occurred
  - setValue
```
boolean setValue(java.lang.String key,
                 java.lang.Object value)
```
    Sets the given registry value. The value if overwritten. If the key is pointing to a subtree, the whole subtree is overwritten with the new value (which can be a final value or a subtree).
    
    Parameters:
    
    key - a registry key specified as the path starting with one of the predefined registry root keys ("users", "xusers", "apps", etc.) and delimited by "/"
    
    value - a final value or a JSON object
    
    Returns:
    
    whether the operation succeeded