CollectionReference (Morphia)

java.lang.Object
- dev.morphia.mapping.experimental.MorphiaReference<C>
- - dev.morphia.mapping.experimental.CollectionReference<C>

Type Parameters:

C -

Direct Known Subclasses:

ListReference, SetReference
```
public abstract class CollectionReference<C extends Collection>
extends MorphiaReference<C>
```
Developer note.
This is an internal item. Its function and presence are subject to change without warning. Its use is highly discouraged.

Constructor Summary

Constructors
Modifier Constructor Description

protected CollectionReference()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`encode(Mapper mapper, Object value, FieldModel field)`
`abstract C`	`get()`	Gets the referenced entities.
`List<Object>`	`getIds()`
`Class<C>`	`getType()`

Methods inherited from class dev.morphia.mapping.experimental.MorphiaReference
equals, hashCode, ignoreMissing, ignoreMissing, isResolved, resolve, toString, wrap

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

- Constructor Detail
  - CollectionReference
```
protected CollectionReference()
```
- Method Detail
  - get
```
public abstract C get()
```
    Gets the referenced entities. This may require at least one request to the server.
    
    Specified by:
    
    get in class MorphiaReference<C extends Collection>
    
    Returns:
    
    the referenced entities
  - getType
```
public Class<C> getType()
```
    Specified by:
    
    getType in class MorphiaReference<C extends Collection>
    
    Returns:
    
    the referenced type
  - getIds
```
public List<Object> getIds()
```
    Specified by:
    
    getIds in class MorphiaReference<C extends Collection>
    
    Returns:
    
    the referenced IDs
  - encode
```
public Object encode(Mapper mapper,
                     Object value,
                     FieldModel field)
```
    Specified by:
    
    encode in class MorphiaReference<C extends Collection>
    
    Parameters:
    
    mapper - the mapper
    
    value - the value
    
    field - the MappedField
    
    Returns:
    
    the encoded vale