DisplaySetManager (aloha API)

All Known Implementing Classes:

DisplaySetManagerImpl
```
public interface DisplaySetManager
```
This is the interface of a class that keeps track of all displaySets.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addDisplaySetFactory(DisplaySetFactory factory)`	add a `DisplaySetFactory` to the manager.
`void`	`addListener(DisplaySetManagerListener listener)`	add a listener to the `DisplaySetManager`
`DisplaySet`	`display(Measurement measurement)`	creates a displayset for the given measurement if necessary and sets it as active one.
`DisplaySet`	`getActiveDisplaySet()`
`void`	`removeListener(DisplaySetManagerListener listener)`	removes a listener from the `DisplaySetManager`
`void`	`setActiveDisplaySet(DisplaySet displaySet)`	sets the given `DisplaySet` as the active one.

- Method Detail
  - addDisplaySetFactory
```
void addDisplaySetFactory(DisplaySetFactory factory)
```
    add a DisplaySetFactory to the manager.
    
    Parameters:
    
    factory -
  - display
```
DisplaySet display(Measurement measurement)
```
    creates a displayset for the given measurement if necessary and sets it as active one. The displaySet is then also returned.
    
    Parameters:
    
    measurement - the measurement for which to find/create a DisplaySet
    
    Returns:
    
    the DisplaySet
  - setActiveDisplaySet
```
void setActiveDisplaySet(DisplaySet displaySet)
```
    sets the given DisplaySet as the active one.
    
    Parameters:
    
    displaySet - the DisplaySet to set as active
  - getActiveDisplaySet
```
DisplaySet getActiveDisplaySet()
```
    Returns:
    
    the active DisplaySet
  - addListener
```
void addListener(DisplaySetManagerListener listener)
```
    add a listener to the DisplaySetManager
    
    Parameters:
    
    listener - the listener to add
  - removeListener
```
void removeListener(DisplaySetManagerListener listener)
```
    removes a listener from the DisplaySetManager
    
    Parameters:
    
    listener - the listener to remove