Package org.dspace.core

Class UUIDIterator<T extends DSpaceObject>

java.lang.Object

com.google.common.collect.UnmodifiableIterator<T>

com.google.common.collect.AbstractIterator<T>

org.dspace.core.UUIDIterator<T>

Type Parameters:

T - class type

All Implemented Interfaces:

Iterator<T>

public class UUIDIterator<T extends DSpaceObject>
extends com.google.common.collect.AbstractIterator<T>

Iterator implementation which allows to iterate over items and commit while iterating. Using an iterator over previous retrieved UUIDs the iterator doesn't get invalidated after a commit that would instead close the database ResultSet

Author:

Andrea Bollini (andrea.bollini at 4science.com)

Constructor Summary

Constructors

Constructor	Description
UUIDIterator(Context ctx, List<UUID> uuids, Class<T> clazz, AbstractHibernateDSODAO<T> dao)

Method Summary

Modifier and Type	Method	Description
protected T	computeNext()

Methods inherited from class com.google.common.collect.AbstractIterator

endOfData, hasNext, next, peek

Methods inherited from class com.google.common.collect.UnmodifiableIterator

remove

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

UUIDIterator

public UUIDIterator(Context ctx,
                    List<UUID> uuids,
                    Class<T> clazz,
                    AbstractHibernateDSODAO<T> dao)
             throws SQLException

Throws:

SQLException

Method Detail

computeNext

protected T computeNext()

Specified by:

computeNext in class com.google.common.collect.AbstractIterator<T extends DSpaceObject>