Performance Improvement: Batch Update DataNodes

[cps.git] / cps-service / src / main / java / org / onap / cps / spi / CpsDataPersistenceService.java

diff --git a/cps-service/src/main/java/org/onap/cps/spi/CpsDataPersistenceService.java b/cps-service/src/main/java/org/onap/cps/spi/CpsDataPersistenceService.java
index 06da3ff..686f0f3 100644 (file)
--- a/cps-service/src/main/java/org/onap/cps/spi/CpsDataPersistenceService.java
+++ b/cps-service/src/main/java/org/onap/cps/spi/CpsDataPersistenceService.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation.
+ *  Copyright (C) 2020-2022 Nordix Foundation.
  *  Modifications Copyright (C) 2021 Pantheon.tech
  *  Modifications Copyright (C) 2022 Bell Canada
  * ================================================================================
@@ -90,13 +90,22 @@ public interface CpsDataPersistenceService {
     void updateDataLeaves(String dataspaceName, String anchorName, String xpath, Map<String, Object> leaves);
 
     /**
-     * Replaces existing data node content including descendants.
+     * Replaces an existing data node's content including descendants.
      *
      * @param dataspaceName dataspace name
      * @param anchorName    anchor name
      * @param dataNode      data node
      */
-    void replaceDataNodeTree(String dataspaceName, String anchorName, DataNode dataNode);
+    void updateDataNodeAndDescendants(String dataspaceName, String anchorName, DataNode dataNode);
+
+    /**
+     * Replaces multiple existing data nodes' content including descendants in a batch operation.
+     *
+     * @param dataspaceName dataspace name
+     * @param anchorName    anchor name
+     * @param dataNodes     data nodes
+     */
+    void updateDataNodesAndDescendants(String dataspaceName, String anchorName, final List<DataNode> dataNodes);
 
     /**
      * Replaces list content by removing all existing elements and inserting the given new elements
@@ -162,4 +171,15 @@ public interface CpsDataPersistenceService {
      * @param sessionId session ID
      */
     void closeSession(String sessionId);
+
+    /**
+     * Lock anchor.
+     * To release locks(s), the session holding the lock(s) must be closed.
+     *
+     * @param sessionID session ID
+     * @param dataspaceName dataspace name
+     * @param anchorName anchor name
+     * @param timeoutInMilliseconds lock attempt timeout in milliseconds
+     */
+    void lockAnchor(String sessionID, String dataspaceName, String anchorName, Long timeoutInMilliseconds);
 }