Merge "Watchdog-process that changes CM Handles state"

[cps.git] / cps-service / src / main / java / org / onap / cps / api / CpsDataService.java

diff --git a/cps-service/src/main/java/org/onap/cps/api/CpsDataService.java b/cps-service/src/main/java/org/onap/cps/api/CpsDataService.java
index cdd417b..93c96ec 100644 (file)
--- a/cps-service/src/main/java/org/onap/cps/api/CpsDataService.java
+++ b/cps-service/src/main/java/org/onap/cps/api/CpsDataService.java
@@ -174,4 +174,41 @@ public interface CpsDataService {
      */
     void updateNodeLeavesAndExistingDescendantLeaves(String dataspaceName, String anchorName, String parentNodeXpath,
         String dataNodeUpdatesAsJson, OffsetDateTime observedTimestamp);
+
+    /**
+     * Starts a session which allows use of locks and batch interaction with the persistence service.
+     *
+     * @return Session ID string
+     */
+    String startSession();
+
+    /**
+     * Close session.
+     *
+     * @param sessionId session ID
+     *
+     */
+    void closeSession(String sessionId);
+
+    /**
+     * Lock anchor with default timeout.
+     * 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
+     */
+    void lockAnchor(String sessionID, String dataspaceName, String anchorName);
+
+    /**
+     * Lock anchor with custom timeout.
+     * 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);
+
 }