DataModel (Herold Data Center 0.0.2 API)

All Known Implementing Classes:: ModelInstance

public interface DataModel<T extends DataModelElement>

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`add(T element)` Add a element to the model.
`boolean`	`contains(long elementId)` Check if the model contains a element by id.
`Optional<T>`	`get(long elementId)` Get a element by id.
`Collection<T>`	`getAll()`
`boolean`	`isEmpty()`
`void`	`register(DataModelChangeListener<T> listener)` Register a `DataModelChangeListener`.
`void`	`remove(long elementId)` Remove a element by id.
`void`	`remove(T element)` Remove a element by reference.
`void`	`removeAll()` Remove all elements.
`int`	`size()`
`Stream<T>`	`stream()`
`void`	`unregister(DataModelChangeListener<T> listener)` Unregister a `DataModelChangeListener`.
`void`	`update(T element)` Update the element.

- Method Detail
  - add
```
void add(T element)
```
    Add a element to the model.
    
    Parameters:
    
    element - the element
  - contains
```
boolean contains(long elementId)
```
    Check if the model contains a element by id.
    
    Parameters:
    
    elementId - the element id
    
    Returns:
    
    true if so, otherwise false.
  - get
```
Optional<T> get(long elementId)
```
    Get a element by id.
    
    Parameters:
    
    elementId - the id
    
    Returns:
    
    the Optional
  - getAll
```
Collection<T> getAll()
```
    Returns:
    
    a List of all elements.
  - isEmpty
```
boolean isEmpty()
```
    Returns:
    
    true if model is empty, otherwise false.
  - register
```
void register(DataModelChangeListener<T> listener)
```
    Register a DataModelChangeListener.
    
    Parameters:
    
    listener - the listener
  - remove
```
void remove(long elementId)
```
    Remove a element by id.
    
    Parameters:
    
    elementId - the id
  - remove
```
void remove(T element)
```
    Remove a element by reference.
    
    Parameters:
    
    element - the element
  - removeAll
```
void removeAll()
```
    Remove all elements.
  - size
```
int size()
```
    Returns:
    
    the size of elements in the model.
  - stream
```
Stream<T> stream()
```
    Returns:
    
    create a Stream of all elements.
  - unregister
```
void unregister(DataModelChangeListener<T> listener)
```
    Unregister a DataModelChangeListener.
    
    Parameters:
    
    listener - the listener
  - update
```
void update(T element)
```
    Update the element.
    
    Parameters:
    
    element - the element

Interface DataModel<T extends DataModelElement>

Method Summary

Method Detail

add

contains

get

getAll

isEmpty

register

remove

remove

removeAll

size

stream

unregister

update