Message Handling with Boolean Algebra Ben Deane / CppCon / 2024-09-16 1Alternative Title "The Unreasonable Effectiveness of Boolean Algebra in Software Design, Showing the Particular Application of of a Message Handling Library, with an Excursion into the Roots of Programming" 2Frontmatter No AI/LLM was used in the creation of this talk. Code is simplified for slides; may have some errors in this talk is about The workings of a message-handling library. How messages and the fields in them are specified. Efficiently identifying (with matchers) a message coming off the wire. The role of Boolean

Resource Manager Configuration Flow Control Guarantees of sends and commits Message Redelivery and Undelivered Messages Message Expiry Large Messages Paging 1 1.39 1.40 1.41 1.42 1.43 1.44 1.45 38 Scheduled Messages Last-Value Queues Ring Queues Retroactive Addresses Exclusive Queues Message Grouping Consumer Priority Extra Acknowledge Modes Management Management Console Metrics Security Client Reconnection and Session Reattachment Diverting and Splitting Message Flows Core Bridges Transformers Duplicate Message Detection Clusters Federation Address Federation Queue Federation

commits 23. Message Redelivery and Undelivered Messages 24. Message Expiry 25. Large Messages 26. Paging 27. Queue Attributes 28. Scheduled Messages 29. Last-Value Queues 30. Message Grouping 31 Client Reconnection and Session Reattachment 37. Diverting and Splitting Message Flows 38. Core Bridges 39. Duplicate Message Detection 40. Clusters 41. High Availability and Failover 42. Graceful performance, clustered, asynchronous messaging system. Apache ActiveMQ Artemis is an example of Message Oriented Middleware (MoM). For a description of MoMs and other messaging concepts please see the

commits 23. Message Redelivery and Undelivered Messages 24. Message Expiry 25. Large Messages 26. Paging 27. Queue Attributes 28. Scheduled Messages 29. Last-Value Queues 30. Message Grouping 31 Client Reconnection and Session Reattachment 37. Diverting and Splitting Message Flows 38. Core Bridges 39. Duplicate Message Detection 40. Clusters 41. High Availability and Failover 42. Graceful performance, clustered, asynchronous messaging system. Apache ActiveMQ Artemis is an example of Message Oriented Middleware (MoM). For a description of MoMs and other messaging concepts please see the

commits 23. Message Redelivery and Undelivered Messages 24. Message Expiry 25. Large Messages 26. Paging 27. Queue Attributes 28. Scheduled Messages 29. Last-Value Queues 30. Message Grouping 31 Client Reconnection and Session Reattachment 37. Diverting and Splitting Message Flows 38. Core Bridges 39. Duplicate Message Detection 40. Clusters 41. High Availability and Failover 42. Graceful performance, clustered, asynchronous messaging system. Apache ActiveMQ Artemis is an example of Message Oriented Middleware (MoM). For a description of MoMs and other messaging concepts please see the

(Critical Analysis) Resource Manager Configuration Flow Control Guarantees of sends and commits Message Redelivery and Undelivered Messages 2 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 1.43 1.44 1.66 1.67 1.68 1.69 1.70 Message Expiry Large Messages Paging Scheduled Messages Last-Value Queues Ring Queues Retroactive Addresses Exclusive Queues Message Grouping Consumer Priority Extra Client Reconnection and Session Reattachment Diverting and Splitting Message Flows Core Bridges Transformers Duplicate Message Detection Clusters Federation Address Federation Queue Federation

commits Message Redelivery and Undelivered Messages Message Expiry Large Messages Paging Scheduled Messages Last-Value Queues Ring Queues Retroactive Addresses Exclusive Queues Message Grouping Resource Limits The JMS Bridge Client Reconnection and Session Reattachment Diverting and Splitting Message Flows Core Bridges Transformers 2 1.58 1.59 1.60 1.60.1 1.60.2 1.61 1.62 1.63 1.64 1 1.65 1.66 1.67 1.68 1.69 1.70 1.71 1.72 1.73 1.74 1.75 1.76 1.77 1.78 Duplicate Message Detection Clusters Federation Address Federation Queue Federation High Availability and Failover

(Critical Analysis) Resource Manager Configuration Flow Control Guarantees of sends and commits Message Redelivery and Undelivered Messages 2 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 1.43 1.44 1.66 1.67 1.68 1.69 1.70 Message Expiry Large Messages Paging Scheduled Messages Last-Value Queues Ring Queues Retroactive Addresses Exclusive Queues Message Grouping Consumer Priority Extra Client Reconnection and Session Reattachment Diverting and Splitting Message Flows Core Bridges Transformers Duplicate Message Detection Clusters Federation Address Federation Queue Federation

Resource Manager Configuration Flow Control Guarantees of sends and commits Message Redelivery and Undelivered Messages Message Expiry Large Messages Paging 1 1.39 1.40 1.41 1.42 1.43 1.44 1.45 70 1.71 1.72 1.73 1.74 1.75 1.38 Scheduled Messages Last-Value Queues Exclusive Queues Message Grouping Consumer Priority Extra Acknowledge Modes Management Management Console Metrics Security Bridge Client Reconnection and Session Reattachment Diverting and Splitting Message Flows Core Bridges Duplicate Message Detection Clusters Federation Address Federation Queue Federation High Availability

commits Message Redelivery and Undelivered Messages Message Expiry Large Messages Paging Scheduled Messages Last-Value Queues Ring Queues Retroactive Addresses Exclusive Queues Message Grouping Resource Limits The JMS Bridge Client Reconnection and Session Reattachment Diverting and Splitting Message Flows Core Bridges Transformers 2 1.58 1.59 1.60 1.60.1 1.60.2 1.61 1.62 1.63 1.64 1 1.65 1.66 1.67 1.68 1.69 1.70 1.71 1.72 1.73 1.74 1.75 1.76 1.77 1.78 Duplicate Message Detection Clusters Federation Address Federation Queue Federation High Availability and Failover