AuthorIdIndex (Oxygen XML API)

Type Parameters:

T - The type of the object to be indexed.
```
@API(type=NOT_EXTENDABLE,
     src=PUBLIC)
public interface AuthorIdIndex<T>
```
An index that maps from IDs to objects and viceversa.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`getId(T object)`	Get the id of the given object or a fresh one if none is assigned already.
`java.lang.Long`	`getIdIfExists(T object)`	Get the id of the given object, or `null` if the object was not assigned an ID.
`T`	`getObjectById(long id)`	Returns the object with a specified id or null if none exists.

- Method Detail
  - getObjectById
```
T getObjectById(long id)
```
    Returns the object with a specified id or null if none exists.
    
    Parameters:
    
    id - the id.
    
    Returns:
    
    the object with the specified id.
  - getId
```
long getId(T object)
```
    Get the id of the given object or a fresh one if none is assigned already. If this index has not assigned an id already to the given object, a unique id is assigned and returned.
    
    Parameters:
    
    object - The object.
    
    Returns:
    
    the id associated with the object.
  - getIdIfExists
```
java.lang.Long getIdIfExists(T object)
```
    Get the id of the given object, or null if the object was not assigned an ID.
    
    Parameters:
    
    object - The object.
    
    Returns:
    
    the id associated with the object, or null if the ID does not exist.