From f1f3042b1db2acc8a8e67a2c2fb1554e60eeef50 Mon Sep 17 00:00:00 2001
From: MPDLBreddin <breddin@mpdl.mpg.de>
Date: Mon, 3 Feb 2020 18:47:16 +0100
Subject: [PATCH] #1158 Concurrency errors

- Deleted unused Class
---
 .../RemoveLinkedCollectionsListener.java      | 68 -------------------
 1 file changed, 68 deletions(-)
 delete mode 100644 src/main/java/de/mpg/imeji/logic/core/collection/RemoveLinkedCollectionsListener.java

diff --git a/src/main/java/de/mpg/imeji/logic/core/collection/RemoveLinkedCollectionsListener.java b/src/main/java/de/mpg/imeji/logic/core/collection/RemoveLinkedCollectionsListener.java
deleted file mode 100644
index 3ebaad1dd..000000000
--- a/src/main/java/de/mpg/imeji/logic/core/collection/RemoveLinkedCollectionsListener.java
+++ /dev/null
@@ -1,68 +0,0 @@
-package de.mpg.imeji.logic.core.collection;
-
-import java.lang.reflect.Field;
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.List;
-
-import de.mpg.imeji.logic.config.Imeji;
-import de.mpg.imeji.logic.db.writer.JenaWriter;
-import de.mpg.imeji.logic.events.listener.Listener;
-import de.mpg.imeji.logic.events.messages.Message.MessageType;
-import de.mpg.imeji.logic.model.CollectionImeji;
-import de.mpg.imeji.logic.model.aspects.AccessMember.ActionType;
-import de.mpg.imeji.logic.model.aspects.AccessMember.ChangeMember;
-import de.mpg.imeji.logic.search.jenasearch.ImejiSPARQL;
-import de.mpg.imeji.logic.search.jenasearch.JenaCustomQueries;
-import de.mpg.imeji.logic.util.ObjectHelper;
-
-/**
- * Gets notified when a collection has been removed. Searches database for links to this collection
- * (linked collections) and deletes them.
- * 
- * @author breddin
- *
- */
-public class RemoveLinkedCollectionsListener extends Listener {
-
-
-  public RemoveLinkedCollectionsListener() {
-    super(MessageType.DISCARD_COLLECTION);
-  }
-
-  @Override
-  public Integer call() throws Exception {
-
-    /*
-    String idOfRemovedCollection = getMessage().getObjectId();
-    URI uriOfRemovedCollection = ObjectHelper.getURI(CollectionImeji.class, idOfRemovedCollection);
-    // get list of collections whose linked collections list contains the removed collection
-    String sparqlQuery = JenaCustomQueries.findAllCollectionLinks(uriOfRemovedCollection.toString());
-    List<String> urisOfLinkedCollections = ImejiSPARQL.exec(sparqlQuery, Imeji.collectionModel);
-    List<ChangeMember> removeLinkedCollectionRequests = new ArrayList<ChangeMember>(urisOfLinkedCollections.size());
-    String uri;
-    ChangeMember changeMember;
-    CollectionImeji collection;
-    Field linkedCollectionsField = CollectionImeji.class.getDeclaredField("linkedCollections");
-    for (String listUri : urisOfLinkedCollections) {
-    // Linked collections are stored in a list. Extract uri of collection that owns the list:
-    // query gives: "http://imeji.org/collection/YhDZ8gf_TGKsUD_S//linkedCollection@pos0", 
-    // we need "http://imeji.org/collection/YhDZ8gf_TGKsUD_S"
-    int separationIndex = listUri.indexOf("\\/\\/");
-    uri = listUri.substring(0, separationIndex);
-    collection = new CollectionImeji();
-    collection.setId(URI.create(uri));
-    changeMember = new ChangeMember(ActionType.REMOVE, collection, linkedCollectionsField, uriOfRemovedCollection);
-    removeLinkedCollectionRequests.add(changeMember);
-    }
-    // we only need to do this in Jena, as linked collections only exist in Jena
-    JenaWriter jenaWriter = new JenaWriter(Imeji.collectionModel);
-    jenaWriter.editElements(removeLinkedCollectionRequests);
-    */
-
-    return 1;
-  }
-
-
-
-}