private void addMessagingActiveMQExtension ( OperationContext context , Map < PathAddress , ModelNode > migrationOperations , boolean describe ) { Resource root = context . readResourceFromRoot ( PathAddress . EMPTY_ADDRESS , false ) ; if ( root . getChildrenNames ( EXTENSION ) . contains ( MESSAGING_ACTIVEMQ_EXTENSION ) ) { // extension is already added, do nothing return ; } PathAddress extensionAddress = pathAddress ( EXTENSION , MESSAGING_ACTIVEMQ_EXTENSION ) ; OperationEntry addEntry = context . getRootResourceRegistration ( ) . getOperationEntry ( extensionAddress , ADD ) ; ModelNode addOperation = createAddOperation ( extensionAddress ) ; addOperation . get ( MODULE ) . set ( MESSAGING_ACTIVEMQ_MODULE ) ; if ( describe ) { migrationOperations . put ( extensionAddress , addOperation ) ; } else { context . addStep ( context . getResult ( ) . get ( extensionAddress . toString ( ) ) , addOperation , addEntry . getOperationHandler ( ) , MODEL ) ; } }
It s possible that the extension is already present . In that case this method does nothing .