DS-4129: Remove unnecessary HarvestConsumer

dspace-api/src/main/java/org/dspace/harvest/HarvestConsumer.java

@@ -1,117 +0,0 @@
-/**
- * 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.harvest;
-
-import java.util.UUID;
-
-import org.apache.logging.log4j.Logger;
-import org.dspace.content.Collection;
-import org.dspace.content.Item;
-import org.dspace.core.Constants;
-import org.dspace.core.Context;
-import org.dspace.event.Consumer;
-import org.dspace.event.Event;
-import org.dspace.harvest.factory.HarvestServiceFactory;
-import org.dspace.harvest.service.HarvestedCollectionService;
-import org.dspace.harvest.service.HarvestedItemService;
-
-/**
- * Class for handling cleanup of harvest settings for collections and items
- *
- * @author Stuart Lewis
- * @author Alexey Maslov
- * @version $Revision: 3705 $
- */
-public class HarvestConsumer implements Consumer {
-    /**
-     * log4j logger
-     */
-    private static Logger log = org.apache.logging.log4j.LogManager.getLogger(HarvestConsumer.class);
-
-    protected HarvestedCollectionService harvestedCollectionService;
-    protected HarvestedItemService harvestedItemService;
-
-    /**
-     * Initialise the consumer
-     *
-     * @throws Exception if error
-     */
-    @Override
-    public void initialize()
-        throws Exception {
-        harvestedItemService = HarvestServiceFactory.getInstance().getHarvestedItemService();
-    }
-
-    /**
-     * Consume the event
-     *
-     * @param context The relevant DSpace Context.
-     * @param event   DSpace event
-     * @throws Exception if error
-     */
-    @Override
-    public void consume(Context context, Event event)
-        throws Exception {
-        int st = event.getSubjectType();
-        int et = event.getEventType();
-        UUID id = event.getSubjectID();
-
-        switch (st) {
-            case Constants.ITEM:
-                if (et == Event.DELETE) {
-                    HarvestedItem hi = harvestedItemService.find(context, (Item) event.getSubject(context));
-                    if (hi != null) {
-                        log.debug("Deleted item '" + id + "', also deleting associated harvested_item '" + hi
-                            .getOaiID() + "'.");
-                        harvestedItemService.delete(context, hi);
-                    } else {
-                        log.debug("Deleted item '" + id + "' and the associated harvested_item.");
-                    }
-                }
-                break;
-            case Constants.COLLECTION:
-                if (et == Event.DELETE) {
-                    HarvestedCollection hc = harvestedCollectionService
-                        .find(context, (Collection) event.getSubject(context));
-                    if (hc != null) {
-                        log.debug(
-                            "Deleted collection '" + id + "', also deleting associated harvested_collection '" + hc
-                                .getOaiSource() + ":" + hc.getOaiSetId() + "'.");
-                        harvestedCollectionService.delete(context, hc);
-                    } else {
-                        log.debug("Deleted collection '" + id + "' and the associated harvested_collection.");
-                    }
-                }
-                break;
-            default:
-                log.warn("consume() got unrecognized event: " + event.toString());
-        }
-    }
-
-    /**
-     * Handle the end of the event
-     *
-     * @param ctx The relevant DSpace Context.
-     * @throws Exception if error
-     */
-    @Override
-    public void end(Context ctx)
-        throws Exception {
-
-    }
-
-    /**
-     * Finish the event
-     *
-     * @param ctx The relevant DSpace Context.
-     */
-    @Override
-    public void finish(Context ctx) {
-
-    }
-}