org.apache.jackrabbit.commons.flat

Interface Sequence<T extends Item>

Type Parameters:

T - extends <Item>

All Superinterfaces:

java.lang.Iterable<T>

All Known Subinterfaces:

NodeSequence, PropertySequence

public interface Sequence<T extends Item>
extends java.lang.Iterable<T>

Interface for accessing JCR Items sequentially through an Iterator or looking them up through a key.

Method Summary

Modifier and Type	Method and Description
T	getItem(java.lang.String key) Retrieve an Item from this sequence by its key.
boolean	hasItem(java.lang.String key) Determine whether this sequence contains a specific key.
java.util.Iterator<T>	iterator() Iterator for the Items in this sequence.

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

iterator

java.util.Iterator<T> iterator()

Iterator for the Items in this sequence. The order of the items is implementation specific.

Specified by:

iterator in interface java.lang.Iterable<T extends Item>

See Also:

Iterable.iterator()

getItem

T getItem(java.lang.String key)
   throws AccessDeniedException,
          PathNotFoundException,
          ItemNotFoundException,
          RepositoryException

Retrieve an Item from this sequence by its key. If the sequence does not contain the key this method throws an ItemNotFoundException.

Parameters:

key - The key of the item to retrieve. Must not be null.

Returns:

The item belonging to key.

Throws:

ItemNotFoundException

RepositoryException

AccessDeniedException

PathNotFoundException

hasItem

boolean hasItem(java.lang.String key)
         throws RepositoryException

Determine whether this sequence contains a specific key.

Parameters:

key - The key to look up.

Returns:

true if this sequence contains key. False otherwise.

Throws:

RepositoryException