rreddy-22 commented on code in PR #19539:
URL: https://github.com/apache/kafka/pull/19539#discussion_r2078931303


##########
clients/src/main/java/org/apache/kafka/clients/producer/internals/TransactionManager.java:
##########
@@ -330,6 +334,17 @@ public synchronized void beginTransaction() {
         transitionTo(State.IN_TRANSACTION);
     }
 
+    /**
+     * Begin preparing a transaction for a two-phase commit.
+     * This transitions the transaction to the PREPARING_TRANSACTION state.
+     */
+    public synchronized void beginPrepare() {
+        ensureTransactional();
+        throwIfPendingState("prepareTransaction");
+        maybeFailWithError();
+        transitionTo(State.PREPARING_TRANSACTION);

Review Comment:
   Yes, I added this code in the InitProducerIdHandler `
   // If this is a 2PC-enabled transaction with keepPreparedTxn=true, 
transition directly
   // to PREPARED_TRANSACTION
                   if (enable2PC && builder.data.keepPreparedTxn()) {
                       transitionTo(State.PREPARED_TRANSACTION);
                   } else {
                       transitionTo(State.READY);
                   }`



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