| Package | Description | 
|---|---|
| org.axonframework.commandhandling | Classes that implement the concept of command handling using explicit command objects. | 
| org.axonframework.disruptor.commandhandling | |
| org.axonframework.springboot.autoconfig | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FailingDuplicateCommandHandlerResolverImplementation of  DuplicateCommandHandlerResolverthat throws aDuplicateCommandHandlerSubscriptionExceptionwhen a duplicate registration is detected. | 
| class  | LoggingDuplicateCommandHandlerResolverImplementation of the DuplicateCommandHandlerResolver that allows registrations to be overridden by new handlers,
 but logs this (on WARN level) to a given logger. | 
| Modifier and Type | Method and Description | 
|---|---|
| static DuplicateCommandHandlerResolver | DuplicateCommandHandlerResolution. logAndOverride()A  DuplicateCommandHandlerResolverimplementation which logs a warning message and resolve to returning
 the duplicate handler and overriding the existing command handler. | 
| static DuplicateCommandHandlerResolver | DuplicateCommandHandlerResolution. rejectDuplicates()A  DuplicateCommandHandlerResolverimplementation which throws aDuplicateCommandHandlerSubscriptionException. | 
| static DuplicateCommandHandlerResolver | DuplicateCommandHandlerResolution. silentOverride()A  DuplicateCommandHandlerResolverimplementation that allows handlers to silently override previous
 registered handlers for the same command. | 
| Modifier and Type | Method and Description | 
|---|---|
| AsynchronousCommandBus.Builder | AsynchronousCommandBus.Builder. duplicateCommandHandlerResolver(DuplicateCommandHandlerResolver duplicateCommandHandlerResolver) | 
| SimpleCommandBus.Builder | SimpleCommandBus.Builder. duplicateCommandHandlerResolver(DuplicateCommandHandlerResolver duplicateCommandHandlerResolver)Sets the  DuplicateCommandHandlerResolverused to resolves the road to take when a duplicate command
 handler is subscribed. | 
| Modifier and Type | Method and Description | 
|---|---|
| DisruptorCommandBus.Builder | DisruptorCommandBus.Builder. duplicateCommandHandlerResolver(DuplicateCommandHandlerResolver duplicateCommandHandlerResolver)Sets the  DuplicateCommandHandlerResolverused to resolves the road to take when a duplicate command
 handler is subscribed. | 
| Modifier and Type | Method and Description | 
|---|---|
| DuplicateCommandHandlerResolver | AxonAutoConfiguration. duplicateCommandHandlerResolver() | 
| Modifier and Type | Method and Description | 
|---|---|
| SimpleCommandBus | AxonAutoConfiguration. commandBus(TransactionManager txManager,
          AxonConfiguration axonConfiguration,
          DuplicateCommandHandlerResolver duplicateCommandHandlerResolver) | 
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