searchsrv_plat/cpix_framework_api/inc/cindexingplugin.h
changeset 0 671dee74050a
child 23 d4d56f5e7c55
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/searchsrv_plat/cpix_framework_api/inc/cindexingplugin.h	Mon Apr 19 14:40:16 2010 +0300
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+#ifndef INDEXINGPLUGIN_H
+#define INDEXINGPLUGIN_H
+
+#include <e32base.h>
+#include <ecom/ImplementationInformation.h>
+#include <MIndexingPluginObserver.h>
+#include <RSearchServerSession.h>
+#include <CCPixIndexer.h>
+
+/** @addtogroup PluginAPI */
+/*\@{*/
+
+/**
+ * @file
+ * @ingroup PluginAPI
+ * @brief Contains CIndexingPlugin and related definitions
+ */
+
+// Uid for this interface
+const TUid KIndexingPluginInterfaceUid = { 0x2001F700 };
+
+
+/**
+ * @ingroup PluginAPI
+ * @brief Contains ECOM interface related methods
+ */
+
+namespace CPixSearchECom
+    {   
+   /**
+     * CleanupPtrArray function is used for cleanup support of locally declared arrays.
+     * @param aArray  An array to cleanup
+     */
+    template<typename T> inline void CleanupPtrArray( TAny* aArray )
+        {
+        static_cast<RPointerArray<T>*>(aArray)->ResetAndDestroy();
+        static_cast<RPointerArray<T>*>(aArray)->Close();
+        }
+        
+        /**
+         * CleanupEComArray function is used for cleanup support of locally declared arrays.
+         * @param aArray  An array to cleanup
+         */
+     inline void CleanupEComArray( TAny* aArray )
+            {
+            CleanupPtrArray<CImplementationInformation>( aArray );
+            }
+    }
+
+
+/**
+ * @brief Base class for CPix Search Server plugins, responsible for harvesting
+ * 
+ * CIndexPlugin is a base class for Search Server plugins, which are responsible
+ * for maintaining index databases for various datasources up to date. The plugins are 
+ * expected to maintain the databases through harvesting and monitoring activities, 
+ * where all items of the datasources are first indexed and after that the datasource
+ * is observed and the occured changes (insertions, updates, deletions) are applied
+ * also to the index database. 
+ *
+ * Link against: CPixSearchPluginInterface.dll
+ */
+class CIndexingPlugin : public CBase
+{
+public:
+	IMPORT_C static CIndexingPlugin* NewL(const TUid aUid);
+	IMPORT_C virtual ~CIndexingPlugin();
+	
+	IMPORT_C static void ListImplementationsL(RImplInfoPtrArray& aImplInfoArray);	
+	
+	/**
+	* Set observer
+	*
+	*/
+	IMPORT_C void SetObserver(MIndexingService& aObserver);
+	
+	/**
+	* SetSearchSession
+	* Sets the RSearchServerSession for the plugin.
+	*
+	* @param aSearchSession search server session to be assigned to
+	* harvester plugins
+	*/
+	IMPORT_C void SetSearchSession(RSearchServerSession& aSearchSession);
+
+	/**
+	* A pure virtual method which starts the monitoring/harvesting plugin
+	* Observer must be set before harvesting is started. 
+	*/
+	virtual void StartPluginL() = 0;
+	
+	/**
+	* A pure virtual method which instructs plugin to start harvesting for certain media.
+	* Observer must be set before harvesting is started. 
+	*
+	* @param aQualifiedBaseAppClass database to harvest
+	*/
+	virtual void StartHarvestingL(const TDesC& aQualifiedBaseAppClass) = 0;
+	
+	/**
+	 * Flush
+	 * Issue CPix flush. Harvester should call this method after 
+	 * harvesting is done.
+	 * 
+	 * @param aIndexer Indexer to be flushed
+	 */
+	IMPORT_C void Flush(CCPixIndexer& aIndexer);
+	
+private: // data members
+	// Identification on cleanup.
+	TUid iDtor_ID_Key;
+protected:
+	// Observer interface
+	MIndexingService* iObserver;
+
+    /* Search Server session member is used by harvester plugins */
+    RSearchServerSession iSearchSession;
+};
+
+/*\@}*/
+
+#endif // INDEXINGPLUGIN_H