CSPACE-5498: Initial pseudocode for event handler on document soft deleted transition.

diff --git a/3rdparty/nuxeo/nuxeo-platform-listener/relation/src/main/java/org/collectionspace/services/nuxeo/listener/relation/RelationSubOrObjDeletionListener.java b/3rdparty/nuxeo/nuxeo-platform-listener/relation/src/main/java/org/collectionspace/services/nuxeo/listener/relation/RelationSubOrObjDeletionListener.java
index 731dbcf09ae6715211516a25764ddeff9ee93602..d457744363d082ad85d7d231773ec4f95bbbf16e 100644 (file)
--- a/3rdparty/nuxeo/nuxeo-platform-listener/relation/src/main/java/org/collectionspace/services/nuxeo/listener/relation/RelationSubOrObjDeletionListener.java
+++ b/3rdparty/nuxeo/nuxeo-platform-listener/relation/src/main/java/org/collectionspace/services/nuxeo/listener/relation/RelationSubOrObjDeletionListener.java
@@ -1,5 +1,7 @@
 package org.collectionspace.services.nuxeo.listener.relation;
 
+import java.io.Serializable;
+import java.util.Map;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.nuxeo.ecm.core.api.ClientException;
@@ -11,11 +13,53 @@ import org.nuxeo.ecm.core.event.EventListener;
 import org.nuxeo.ecm.core.event.impl.DocumentEventContext;
 
 public class RelationSubOrObjDeletionListener implements EventListener {
-    
-    // FIXME Experiment to identify whether we can use log4j here instead of Apache Commons Logging
+
+    public static final String WORKFLOW_TRANSITION_TO = "to";
+    public static final String WORKFLOW_TRANSITION_DELETED = "deleted";
+    // FIXME We might experiment here with using log4j here instead of Apache Commons Logging
     final Log logger = LogFactory.getLog(RelationSubOrObjDeletionListener.class);
 
     public void handleEvent(Event event) throws ClientException {
         logger.info("In handleEvent in RelationSubOrObjDeletionListener ...");
+
+        EventContext eventContext = event.getContext();
+
+        if (isDocumentSoftDeletedEvent(eventContext)) {
+            
+            DocumentEventContext docContext = (DocumentEventContext) eventContext;
+            DocumentModel docModel = docContext.getSourceDocument();
+            
+            // FIXME: Temporary for debugging
+            logger.debug("docType=" + docModel.getType());
+            logger.debug("id=" + docModel.getSourceId());
+            logger.debug("transition to=" + docContext.getProperties().get(WORKFLOW_TRANSITION_TO));
+            
+            // Get a list of relation records where the just-soft-deleted
+            // document is either the subject or object of the relation
+            
+            // Cycle through the list, soft deleting each of these relation records
+
+        }
+
+    }
+
+    /**
+     * Identifies whether a supplied event concerns a document that has
+     * been transitioned to the 'deleted' workflow state.
+     * 
+     * @param eventContext an event context
+     * 
+     * @return true if this event concerns a document that has
+     * been transitioned to the 'deleted' workflow state.
+     */
+    private boolean isDocumentSoftDeletedEvent(EventContext eventContext) {
+        boolean isSoftDeletedEvent = false;
+        if (eventContext instanceof DocumentEventContext) {
+            if (eventContext.getProperties().containsKey(WORKFLOW_TRANSITION_TO)
+                    && eventContext.getProperties().get(WORKFLOW_TRANSITION_TO).equals(WORKFLOW_TRANSITION_DELETED)) {
+                isSoftDeletedEvent = true;
+            }
+        }
+        return isSoftDeletedEvent;
     }
 }