Additional handling for "special" facet IDs (SITE, TAG etc). Part of ACE-2639.

This check-in ensures that those facet IDs are not prefixed with the '@' char like all other facet IDs.
The list is currently injected from solr-facets-context.xml, which required a slight refactoring of spring beans to make SolrFacetHelper a bean.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@85711 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/script-services-context.xml

@@ -113,6 +113,9 @@
         <property name="repositoryHelper">
            <ref bean="repositoryHelper"/>
         </property>
+        <property name="solrFacetHelper">
+           <ref bean="solrFacetHelper"/>
+        </property>
         <property name="storeUrl">
             <value>${spaces.store}</value>
         </property>

config/alfresco/solr-facets-context.xml

@@ -18,6 +18,7 @@
          </list>
       </property>
    </bean>
+   
    <bean id="solrFacetConfigs" class="org.alfresco.repo.search.impl.solr.facet.SolrFacetConfig">
       <constructor-arg index="0" ref="solrFacetRawProperties" />
       <constructor-arg index="1">
@@ -25,6 +26,7 @@
       </constructor-arg>
       <property name="namespaceService" ref="namespaceService" />
    </bean>
+   
    <bean id="solrFacetService" class="org.alfresco.repo.search.impl.solr.facet.SolrFacetServiceImpl">
       <property name="nodeService" ref="nodeService" />
       <property name="dictionaryService" ref="dictionaryService" />
@@ -41,4 +43,19 @@
          <value>${solr_facets.root}</value>
       </property>
    </bean>
+   
+   <bean id="solrFacetHelper" class="org.alfresco.repo.search.impl.solr.facet.SolrFacetHelper">
+      <constructor-arg index="0" ref="ServiceRegistry" />
+      <property name="specialFacetIds">
+         <set>
+            <value>SITE</value>
+            <value>TAG</value>
+            <value>ANCESTOR</value>
+            <value>PARENT</value>
+            <value>ASPECT</value>
+            <value>TYPE</value>
+            <value>OWNER</value>
+         </set>
+      </property>
+   </bean>
 </beans>

source/java/org/alfresco/repo/jscript/Search.java

@@ -104,6 +104,12 @@ public class Search extends BaseScopableProcessorExtension implements Initializi
         
         this.solrFacetHelper = new SolrFacetHelper(services);
     }
+    
+    public void setSolrFacetHelper(SolrFacetHelper solrFacetHelper)
+    {
+        this.solrFacetHelper = solrFacetHelper;
+    }
+    
     /**
      * Set the default store reference
      * 
@@ -717,8 +723,18 @@ public class Search extends BaseScopableProcessorExtension implements Initializi
                 {
                     for (String field: facets)
                     {
-                        sp.addFieldFacet(new FieldFacet("@" + field));
+                        final FieldFacet fieldFacet;
+                        if (solrFacetHelper.isSpecialFacetId(field))
+                        {
+                            fieldFacet = new FieldFacet(field);
+                        }
+                        else
+                        {
+                            fieldFacet = new FieldFacet("@" + field);
+                        }
+                        sp.addFieldFacet(fieldFacet);
                     }
+                    
                     List<String> facetQueries = null;
                     // Workaround for ACE-1605
                     if (query.indexOf("created:") < 0 && query.indexOf("modified:") < 0)

source/java/org/alfresco/repo/search/impl/solr/facet/SolrFacetHelper.java

@@ -105,7 +105,17 @@ public class SolrFacetHelper
         BUCKETED_FIELD_FACETS.add(MODIFIED_FIELD_FACET_QUERY);
         BUCKETED_FIELD_FACETS.add(CONTENT_SIZE_FIELD_FACET_QUERY);
     }
-
+    
+    /** These facet IDs are recognised by SOLR and can be used directly within facetted searches. */
+    private Set<String> specialFacetIds = Collections.emptySet();
+    {
+    }
+    
+    public void setSpecialFacetIds(Set<String> ids)
+    {
+        this.specialFacetIds = ids;
+    }
+    
     /** Facet value and facet query display label handlers */
     private Map<String, FacetLabelDisplayHandler> displayHandlers;
 
@@ -288,6 +298,15 @@ public class SolrFacetHelper
     {
         return Collections.unmodifiableSet(BUCKETED_FIELD_FACETS);
     }
+    
+    /**
+     * Is the specified facet ID part of the list of "specials" which are
+     * handled by our SOLR service as is?
+     */
+    public boolean isSpecialFacetId(String facetId)
+    {
+        return specialFacetIds.contains(facetId);
+    }
 
     /**
      * Creates Date buckets. The dates are in ISO8601 format (yyyy-MM-dd)