Merged HEAD-BUG-FIX (5.0/Cloud) to HEAD (5.0/Cloud)

75000: Merged WAT2 (5.0/Cloud) to HEAD-BUG-FIX (5.0/Cloud)
      69908: Initial version of Solr Stats service and webscript


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@75329 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/templates/webscripts/org/alfresco/repository/solr/stats.get.desc.xml

@@ -0,0 +1,10 @@
+<webscript>
+  <shortname>Get solr statistics</shortname>
+  <description>Get some basic statics from solr</description>
+  <url>/api/solr/site/{siteId}/stats</url>
+  <url>/api/solr/stats</url>
+  <format default="json">argument</format>
+  <authentication>user</authentication>
+  <transaction allow="readonly">required</transaction>
+  <family>SOLR</family>
+</webscript>

config/alfresco/templates/webscripts/org/alfresco/repository/solr/stats.get.json.ftl

@@ -0,0 +1,32 @@
+{
+    "resultset": [
+      <#list result.stats as item>
+         ["${jsonUtils.encodeJSONString(item.name)}",${item.sum?c}, ${item.count?c}]
+         <#if item_has_next>,</#if>
+      </#list>   
+    ],
+    "queryInfo": {
+      "numberFound": "${result.numberFound?c}",
+      "totalRows": "${resultSize?c}",
+      "sum": "${result.sum?c}",
+      "max": "${result.max?c}",
+      "mean": "${result.mean?c}"    
+    },
+    "metadata": [
+        {
+            "colIndex": 0,
+            "colType": "String",
+            "colName": "name"
+        },
+        {
+            "colIndex": 1,
+            "colType": "Numeric",
+            "colName": "sum"
+        },
+        {
+            "colIndex": 2,
+            "colType": "Numeric",
+            "colName": "count"
+        }
+    ]
+}

config/alfresco/web-scripts-application-context.xml

@@ -1548,6 +1548,12 @@
       <property name="solrTrackingComponent" ref="solrTrackingComponent"/>
    </bean>
 
+   <bean id="webscript.org.alfresco.repository.solr.stats.get"
+         class="org.alfresco.repo.web.scripts.solr.StatsGet" parent="webscript">
+      <property name="stats" ref="statsService"/>
+      <property name="siteService" ref="SiteService" />
+   </bean>
+   
    <bean id="webscript.org.alfresco.repository.solr.nodes.post"
          class="org.alfresco.repo.web.scripts.solr.NodesGet"
          parent="webscript">

source/java/org/alfresco/repo/web/scripts/solr/StatsGet.java

@@ -0,0 +1,89 @@
+package org.alfresco.repo.web.scripts.solr;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.alfresco.model.ContentModel;
+import org.alfresco.repo.security.permissions.AccessDeniedException;
+import org.alfresco.service.cmr.search.SearchParameters.SortDefinition;
+import org.alfresco.service.cmr.search.SearchService;
+import org.alfresco.service.cmr.search.StatsParameters;
+import org.alfresco.service.cmr.search.StatsResultSet;
+import org.alfresco.service.cmr.search.StatsService;
+import org.alfresco.service.cmr.site.SiteInfo;
+import org.alfresco.service.cmr.site.SiteService;
+import org.alfresco.service.namespace.NamespaceService;
+import org.alfresco.service.namespace.QName;
+import org.springframework.extensions.webscripts.Cache;
+import org.springframework.extensions.webscripts.DeclarativeWebScript;
+import org.springframework.extensions.webscripts.Status;
+import org.springframework.extensions.webscripts.WebScriptRequest;
+
+/**
+ * Gets stats on Solr content
+ *
+ * @author Gethin James
+ */
+public class StatsGet extends DeclarativeWebScript
+{
+    StatsService stats;
+    SiteService siteService;
+    
+    public void setStats(StatsService stats)
+    {
+        this.stats = stats;
+    }
+
+    public void setSiteService(SiteService siteService)
+    {
+        this.siteService = siteService;
+    }
+    
+    @Override
+    protected Map<String, Object> executeImpl(WebScriptRequest req, Status status, Cache cache) 
+    {
+       Map<String, String> templateVars = req.getServiceMatch().getTemplateVars();
+       SiteInfo siteInfo = null;
+       
+       if (templateVars != null && templateVars.containsKey("siteId") )
+       {
+         siteInfo = siteService.getSite(templateVars.get("siteId"));
+         if (siteInfo == null)
+         {
+             throw new AccessDeniedException("No such site: " + templateVars.get("siteId"));
+         }
+       } 
+
+       String contentProp = req.getParameter("contentProp");
+       if (contentProp == null) contentProp = "created";  //default
+       
+       QName prop = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, contentProp);
+       
+       String query = buildQuery(siteInfo);
+       
+       StatsParameters params = new StatsParameters(SearchService.LANGUAGE_SOLR_FTS_ALFRESCO, query);
+       params.addSort(new SortDefinition(SortDefinition.SortType.FIELD, "contentsize", false));
+       params.addStatsParameter(StatsParameters.PARAM_FIELD, "contentsize");
+       params.addStatsParameter(StatsParameters.PARAM_FACET, StatsParameters.FACET_PREFIX+prop.toString());
+  
+       StatsResultSet result = stats.query(params);
+       
+       Map<String, Object> model = new HashMap<String, Object>(1, 1.0f);
+       model.put("result", result);
+       model.put("resultSize", result.getStats().size());
+       return model;
+    }
+
+    protected String buildQuery(SiteInfo siteInfo)
+    {
+        StringBuilder luceneQuery = new StringBuilder();
+        luceneQuery.append("TYPE:\"" + ContentModel.TYPE_CONTENT + "\"");
+        
+        if (siteInfo != null)
+        {
+            luceneQuery.append(" AND ANCESTOR:\""+siteInfo.getNodeRef().toString()+"\"");
+        }
+        return luceneQuery.toString();
+    }
+
+}