4 Transaction Coordinator

Purpose

The Transaction Coordinator handles the following types of transactions.

• Atomicity and Concurrency in Balance Processing of a transaction
• Multi-legged transactions
• Single legged transactions with one step for better performance
• Event Driven flow of execution (Non-Blocking)
• EntryProcessors should be idempotent to maintain state
• Fault Tolerant

Single Leg Processing:

Figure 4-1 Transaction Coordinator Single Leg Processing

Multi Leg Processing: (Success)

Figure 4-2 Transaction Coordinator Multi Leg Processing - Success

Multi Leg Processing: (Failure)

Figure 4-3 Transaction Coordinator Multi Leg Processing - Failure