Merged HEAD (5.1) to 5.1.N (5.1.1)

117474 bhorje: CM-690 virtualization


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.1.N/root@117559 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/virtual/template/PagingRequestConstraint.java

@@ -0,0 +1,57 @@
+/* 
+ * Copyright (C) 2005-2015 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.virtual.template;
+
+import org.alfresco.query.PagingRequest;
+import org.alfresco.repo.virtual.ActualEnvironment;
+import org.alfresco.service.cmr.search.SearchParameters;
+
+/**
+ * Constraints decorator that adds {@link PagingRequest} related information
+ * (things like skip-count and max-items) to query parameters.
+ *
+ * @author Bogdan Horje
+ */
+public class PagingRequestConstraint extends VirtualQueryConstraintDecorator
+{
+    private PagingRequest pagingRequest;
+
+    public PagingRequestConstraint(VirtualQueryConstraint decoratedConstraint, PagingRequest pagingRequest)
+    {
+        super(decoratedConstraint);
+        this.pagingRequest = pagingRequest;
+    }
+
+    @Override
+    protected SearchParameters applyDecorations(ActualEnvironment environment, SearchParameters searchParameters,
+                VirtualQuery query)
+    {
+        SearchParameters searchParametersCopy = searchParameters.copy();
+
+        if (pagingRequest != null)
+        {
+            searchParametersCopy.setSkipCount(pagingRequest.getSkipCount());
+            searchParametersCopy.setMaxItems(pagingRequest.getMaxItems());
+        }
+
+        return searchParametersCopy;
+    }
+
+}