[NYS2AWS-134] updated diagrams

docs/indexing/threshold-indexer-mermaid-diagram.md

@@ -12,6 +12,7 @@ sequenceDiagram
     end
     box Darkgreen Alfresco components
     participant SearchTrackingComponent
+    participant dataSource (through JdbcTemplate)
     end
 
     
@@ -22,8 +23,8 @@ sequenceDiagram
     
     par Fetch TxnIDs
         loop while not stopped
-            ThresholdIndexingStrategyTransactionIdFetcher->>SearchTrackingComponent: Fetch a preconfigured amount of transaction IDs for each worker.
-            SearchTrackingComponent-->>ThresholdIndexingStrategyTransactionIdFetcher: transaction IDs
+            ThresholdIndexingStrategyTransactionIdFetcher->>dataSource (through JdbcTemplate): Fetch a preconfigured amount of transaction IDs for each worker.
+            dataSource (through JdbcTemplate)-->>ThresholdIndexingStrategyTransactionIdFetcher: transaction IDs
             ThresholdIndexingStrategyTransactionIdFetcher->>ThresholdIndexingStrategyTransactionIdFetcher: Stop if no transaction IDs are received. Otherwise, divide the transaction IDs for the workers.
             loop foreach worker
                 ThresholdIndexingStrategyTransactionIdFetcher->>Shared queue B: Queue batch of transaction IDs.

docs/plugin/solr-undersized-transactions-plugin-mermaid-diagram.md

@@ -16,6 +16,9 @@ sequenceDiagram
     par Receive new tasks
         ProcessorService->>SolrUndersizedTransactionsHealthProcessorPlugin: .doProcess(set of nodeRefs)
         SolrUndersizedTransactionsHealthProcessorPlugin->>SolrUndersizedTransactionsHealthProcessorPlugin: Update state.
+        opt Too many queued tasks
+            SolrUndersizedTransactionsHealthProcessorPlugin->>SolrUndersizedTransactionsHealthProcessorPlugin: Wait until a previous task has been handled.
+        end
         SolrUndersizedTransactionsHealthProcessorPlugin->>Shared thread pool: Queue new task.
         SolrUndersizedTransactionsHealthProcessorPlugin-->>ProcessorService: return healthy reports for all nodeRefs
     
@@ -29,5 +32,6 @@ sequenceDiagram
         Worker thread->>AbstractNodeDAOImpl: .touchNodes(transaction ID, node IDs)
         Worker thread->>TransactionHelper: finalize transaction.
         Worker thread->>SolrUndersizedTransactionsHealthProcessorPlugin: Update state.
+        Worker thread->>SolrUndersizedTransactionsHealthProcessorPlugin: Notify about processed task.
     end
 ```