ConfigChangeObserver (Web API 2021)

java.lang.Object
- com.microstrategy.utils.config.ConfigChangeObserver

All Implemented Interfaces:

java.util.Observer

Direct Known Subclasses:

LoggerConfigObserver
```
public abstract class ConfigChangeObserver
extends java.lang.Object
implements java.util.Observer
```
Observer callback for clients interested in changes to either a ConfigFileManager directory, a specific ConfigFile.

Since:

MicroStrategy Web 8.0.0

Constructor Summary

Constructors
Constructor Description

ConfigChangeObserver()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract void`	`update(ConfigFileManager manager, java.io.File file, EnumConfigFileChangeEvent event)`	Callback when a file changes.
`void`	`update(java.util.Observable o, java.lang.Object arg)`	This method should not be overridden.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConfigChangeObserver
```
public ConfigChangeObserver()
```
- Method Detail
  - update
```
public final void update(java.util.Observable o,
                         java.lang.Object arg)
```
    This method should not be overridden. It invokes update(ConfigFileManager, File, EnumConfigFileChangeEvent), which should be implemented accordingly.
    
    Specified by:
    
    update in interface java.util.Observer
    
    Parameters:
    
    o - the observable object.
    
    arg - an argument passed to the notifyObservers method.
  - update
```
public abstract void update(ConfigFileManager manager,
                            java.io.File file,
                            EnumConfigFileChangeEvent event)
```
    Callback when a file changes.
    
    Parameters:
    
    manager - the ConfigFileManager responsible
    
    file - changed file
    
    event - the type of change