legacy/messaging/src/main/java/org/jboss/as/messaging/MigrateOperation.java
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);
        }
    }
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);
        }
    }
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.
It s possible that the extension is already present . In that case this method does nothing .