ALF-10618 related - put the metadata extractor action executor name into a constant, rather than having it inline as a string in various places

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31296 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/action/executer/ContentMetadataExtracter.java

@@ -55,6 +55,8 @@ public class ContentMetadataExtracter extends ActionExecuterAbstractBase
 {
     private static Log logger = LogFactory.getLog(ContentMetadataExtracter.class);
     
+    public static final String EXECUTOR_NAME = "extract-metadata";
+    
     private NodeService nodeService;
     private ContentService contentService;
     private DictionaryService dictionaryService;