/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.browse;
import org.dspace.content.Community;
import org.dspace.content.Collection;
import org.dspace.core.Context;
import org.dspace.content.DSpaceObject;
/**
* Interface for data access of cached community and collection item count
* information
*
* @author Richard Jones
*
*/
public interface ItemCountDAO
{
/**
* Set the DSpace Context to use during data access
*
* @param context
* @throws ItemCountException
*/
public void setContext(Context context) throws ItemCountException;
/**
* Set the given count as the number of items in the given community
*
* @param community
* @param count
* @throws ItemCountException
*/
public void communityCount(Community community, int count) throws ItemCountException;
/**
* Set the given count as the number of items in the given collection
*
* @param collection
* @param count
* @throws ItemCountException
*/
public void collectionCount(Collection collection, int count) throws ItemCountException;
/**
* Get the number of items in the given DSpaceObject container. This method will
* only succeed if the DSpaceObject is an instance of either a Community or a
* Collection. Otherwise it will throw an exception
*
* @param dso
* @return
* @throws ItemCountException
*/
public int getCount(DSpaceObject dso) throws ItemCountException;
/**
* Remove any cached data regarding the given DSpaceObject container. This method will
* only succeed if the DSpaceObject is an instance of either a Community or a
* Collection. Otherwise it will throw an exception
*
* @param dso
* @throws ItemCountException
*/
public void remove(DSpaceObject dso) throws ItemCountException;
}