ALF-9153 Start on the discussion replies CQ

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29831 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2011-08-17 13:59:23 +00:00
parent 7aaa0bc125
commit 1c8c572a85
11 changed files with 447 additions and 23 deletions
--- a/source/java/org/alfresco/repo/node/getchildren/GetChildrenWithTargetAssocsAuditableCannedQuery.java
+++ b/source/java/org/alfresco/repo/node/getchildren/GetChildrenWithTargetAssocsAuditableCannedQuery.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2005-2011 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.node.getchildren;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import org.alfresco.query.CannedQuery;
+import org.alfresco.query.CannedQueryParameters;
+import org.alfresco.query.CannedQuerySortDetails.SortOrder;
+import org.alfresco.repo.domain.query.CannedQueryDAO;
+import org.alfresco.repo.query.NodeBackedEntity;
+import org.alfresco.repo.query.NodeWithTargetsEntity;
+import org.alfresco.repo.query.AbstractQNameAwareCannedQueryFactory.NestedComparator;
+import org.alfresco.repo.query.AbstractQNameAwareCannedQueryFactory.NodeBackedEntityComparator;
+import org.alfresco.repo.security.permissions.impl.acegi.AbstractCannedQueryPermissions;
+import org.alfresco.repo.security.permissions.impl.acegi.MethodSecurityBean;
+import org.alfresco.service.namespace.QName;
+import org.alfresco.util.Pair;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * This class provides support for {@link CannedQuery canned queries} which
+ * filter by Auditable Properties and Target Assocs
+ * 
+ * @author Nick Burch
+ * @since 4.0
+ */
+public class GetChildrenWithTargetAssocsAuditableCannedQuery extends AbstractCannedQueryPermissions<NodeWithTargetsEntity>
+{
+    private Log logger = LogFactory.getLog(getClass());
+    
+    private static final String QUERY_NAMESPACE = "alfresco.query.auditable";
+    private static final String QUERY_SELECT_GET_NODES = "select_GetChildrenWithTargetAssocsAuditableCannedQuery";
+    
+    private final CannedQueryDAO cannedQueryDAO;
+    
+    public GetChildrenWithTargetAssocsAuditableCannedQuery(
+            CannedQueryDAO cannedQueryDAO,
+            MethodSecurityBean<NodeWithTargetsEntity> methodSecurity,
+            CannedQueryParameters params)
+    {
+        super(params, methodSecurity);
+        this.cannedQueryDAO = cannedQueryDAO;
+    }
+    
+    @Override
+    protected List<NodeWithTargetsEntity> queryAndFilter(CannedQueryParameters parameters)
+    {
+        Long start = (logger.isDebugEnabled() ? System.currentTimeMillis() : null);
+        
+        Object paramBeanObj = parameters.getParameterBean();
+        if (paramBeanObj == null)
+            throw new NullPointerException("Null GetChildrenWithTargetAssocsAuditable query params");
+        
+        GetChildrenWithTargetAssocsAuditableCannedQueryParams paramBean = (GetChildrenWithTargetAssocsAuditableCannedQueryParams) paramBeanObj;
+        
+        // note: refer to SQL for specific DB filtering (eg.parent nodes etc)
+        List<NodeWithTargetsEntity> results = cannedQueryDAO.executeQuery(QUERY_NAMESPACE, QUERY_SELECT_GET_NODES, paramBean, 0, Integer.MAX_VALUE);
+        
+        List<NodeWithTargetsEntity> filtered = new ArrayList<NodeWithTargetsEntity>(results.size());
+        for (NodeWithTargetsEntity result : results)
+        {
+            boolean nextNodeIsAcceptable = true;
+            
+            // Note - all filtering is currently done in the database
+            
+            // Did it make the cut
+            if (nextNodeIsAcceptable)
+            {
+                filtered.add(result);
+            }
+        }
+        
+        List<Pair<? extends Object, SortOrder>> sortPairs = parameters.getSortDetails().getSortPairs();
+        
+        // Do the sorting
+        if (sortPairs != null && !sortPairs.isEmpty())
+        {
+            List<Pair<Comparator<NodeBackedEntity>, SortOrder>> comparators =
+               new ArrayList<Pair<Comparator<NodeBackedEntity>,SortOrder>>();
+            for(Pair<? extends Object, SortOrder> sortPair : sortPairs)
+            {
+               final QName sortProperty = (QName)sortPair.getFirst();
+               final NodeBackedEntityComparator comparator = new NodeBackedEntityComparator(sortProperty);
+               comparators.add(new Pair<Comparator<NodeBackedEntity>, SortOrder>(comparator, sortPair.getSecond()));
+            }
+            NestedComparator<NodeBackedEntity> comparator = new NestedComparator<NodeBackedEntity>(comparators);
+            
+            // Sort
+            Collections.sort(filtered, comparator); 
+        }
+        
+        if (start != null)
+        {
+            logger.debug("Base query: "+filtered.size()+" in "+(System.currentTimeMillis()-start)+" msecs");
+        }
+        
+        return filtered;
+    }
+    
+    @Override
+    protected boolean isApplyPostQuerySorting()
+    {
+        // No post-query sorting. It's done within the queryAndFilter() method above.
+        return false;
+    }
+}