Extent (DataNucleus Core 6.0.1-SNAPSHOT API)

Type Parameters:

T - The type of the candidate

All Known Implementing Classes:

AbstractExtent, DefaultCandidateExtent
```
public interface Extent<T>
```
Extent of objects within DataNucleus. Represents objects of a type, optionally including the subclasses of that type.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`close(Iterator<T> iterator)`	Close the specified iterator.
`void`	`closeAll()`	Close all iterators and all resources for this extent.
`Class<T>`	`getCandidateClass()`	Accessor for candidate class of the extent.
`ExecutionContext`	`getExecutionContext()`
`FetchPlan`	`getFetchPlan()`
`boolean`	`hasSubclasses()`	Accessor for whether this extent includes subclasses.
`Iterator<T>`	`iterator()`	Accessor for an iterator over the extent.

- Method Detail
  - getCandidateClass
```
Class<T> getCandidateClass()
```
    Accessor for candidate class of the extent.
    
    Returns:
    
    Candidate class
  - hasSubclasses
```
boolean hasSubclasses()
```
    Accessor for whether this extent includes subclasses.
    
    Returns:
    
    Whether subclasses are contained
  - getExecutionContext
```
ExecutionContext getExecutionContext()
```
  - getFetchPlan
```
FetchPlan getFetchPlan()
```
  - iterator
```
Iterator<T> iterator()
```
    Accessor for an iterator over the extent.
    
    Returns:
    
    The iterator
  - closeAll
```
void closeAll()
```
    Close all iterators and all resources for this extent.
  - close
```
void close(Iterator<T> iterator)
```
    Close the specified iterator.
    
    Parameters:
    
    iterator - The iterator