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/*
 * Copyright The WildFly Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.jboss.as.weld;

import static org.jboss.as.weld.WeldResourceDefinition.LEGACY_EMPTY_BEANS_XML_TREATMENT_ATTRIBUTE;
import static org.jboss.as.weld.WeldResourceDefinition.REQUIRE_BEAN_DESCRIPTOR_ATTRIBUTE;

import java.util.ServiceLoader;
import java.util.function.Consumer;

import org.jboss.as.controller.AbstractBoottimeAddStepHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.controller.registry.Resource.NoSuchResourceException;
import org.jboss.as.server.AbstractDeploymentChainStep;
import org.jboss.as.server.DeploymentProcessorTarget;
import org.jboss.as.server.deployment.Phase;
import org.jboss.as.server.deployment.jbossallxml.JBossAllXmlParserRegisteringProcessor;
import org.jboss.as.weld.deployment.CdiAnnotationProcessor;
import org.jboss.as.weld.deployment.processors.BeanArchiveProcessor;
import org.jboss.as.weld.deployment.processors.BeanDefiningAnnotationProcessor;
import org.jboss.as.weld.deployment.processors.BeansXmlProcessor;
import org.jboss.as.weld.deployment.processors.EarApplicationScopedObserverMethodProcessor;
import org.jboss.as.weld.deployment.processors.ExternalBeanArchiveProcessor;
import org.jboss.as.weld.deployment.processors.SimpleEnvEntryCdiResourceInjectionProcessor;
import org.jboss.as.weld.deployment.processors.WebIntegrationProcessor;
import org.jboss.as.weld.deployment.processors.WeldBeanManagerServiceProcessor;
import org.jboss.as.weld.deployment.processors.WeldComponentIntegrationProcessor;
import org.jboss.as.weld.deployment.processors.WeldConfigurationProcessor;
import org.jboss.as.weld.deployment.processors.WeldDependencyProcessor;
import org.jboss.as.weld.deployment.processors.WeldDeploymentCleanupProcessor;
import org.jboss.as.weld.deployment.processors.WeldDeploymentProcessor;
import org.jboss.as.weld.deployment.processors.WeldImplicitDeploymentProcessor;
import org.jboss.as.weld.deployment.processors.WeldPortableExtensionProcessor;
import org.jboss.as.weld.services.TCCLSingletonService;
import org.jboss.as.weld.services.bootstrap.WeldExecutorServices;
import org.jboss.as.weld.spi.DeploymentUnitProcessorProvider;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.weld.manager.api.ExecutorServices;
import org.wildfly.security.manager.WildFlySecurityManager;

/**
 * The weld subsystem add update handler.
 *
 * @author Stuart Douglas
 * @author Emanuel Muckenhuber
 * @author Tomasz Adamski
 */
class WeldSubsystemAdd extends AbstractBoottimeAddStepHandler {

    WeldSubsystemAdd(AttributeDefinition... attributes) {
        super(attributes);
    }

    @Override
    protected void performBoottime(final OperationContext context, ModelNode operation,Resource resource) throws OperationFailedException {

        final ModelNode model = resource.getModel();
        final boolean requireBeanDescriptor = REQUIRE_BEAN_DESCRIPTOR_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
        final boolean legacyEmptyBeansXmlTreatment = LEGACY_EMPTY_BEANS_XML_TREATMENT_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
        final boolean nonPortableMode = WeldResourceDefinition.NON_PORTABLE_MODE_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
        final boolean developmentMode = WeldResourceDefinition.DEVELOPMENT_MODE_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
        final int threadPoolSize = WeldResourceDefinition.THREAD_POOL_SIZE_ATTRIBUTE.resolveModelAttribute(context, model)
                .asInt(WeldExecutorServices.DEFAULT_BOUND);

        context.addStep(new AbstractDeploymentChainStep() {
            @Override
            protected void execute(DeploymentProcessorTarget processorTarget) {
                final JBossAllXmlParserRegisteringProcessor jbossAllParsers = JBossAllXmlParserRegisteringProcessor.builder()
                    .addParser(WeldJBossAll10Parser.ROOT_ELEMENT, WeldJBossAllConfiguration.ATTACHMENT_KEY, WeldJBossAll10Parser.INSTANCE)
                    .addParser(WeldJBossAll11Parser.ROOT_ELEMENT, WeldJBossAllConfiguration.ATTACHMENT_KEY, WeldJBossAll11Parser.INSTANCE)
                    .build();
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.STRUCTURE, Phase.STRUCTURE_REGISTER_JBOSS_ALL_WELD, jbossAllParsers);
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_WELD_CONFIGURATION, new WeldConfigurationProcessor(requireBeanDescriptor, nonPortableMode, developmentMode, legacyEmptyBeansXmlTreatment));
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_CDI_ANNOTATIONS, new CdiAnnotationProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_CDI_BEAN_DEFINING_ANNOTATIONS, new BeanDefiningAnnotationProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_WELD_DEPLOYMENT, new BeansXmlProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_WELD_IMPLICIT_DEPLOYMENT_DETECTION, new WeldImplicitDeploymentProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.DEPENDENCIES, Phase.DEPENDENCIES_WELD, new WeldDependencyProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_WEB_INTEGRATION, new WebIntegrationProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_BEAN_ARCHIVE, new BeanArchiveProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_EXTERNAL_BEAN_ARCHIVE, new ExternalBeanArchiveProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_PORTABLE_EXTENSIONS, new WeldPortableExtensionProcessor());
                // TODO add processor priority to Phase
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, 0x0F10, new EarApplicationScopedObserverMethodProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_COMPONENT_INTEGRATION, new WeldComponentIntegrationProcessor());
                // TODO add processor priority to Phase
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_ENV_ENTRY + 1, new SimpleEnvEntryCdiResourceInjectionProcessor());
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.INSTALL, Phase.INSTALL_WELD_DEPLOYMENT, new WeldDeploymentProcessor(checkJtsEnabled(context)));
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.INSTALL, Phase.INSTALL_WELD_BEAN_MANAGER, new WeldBeanManagerServiceProcessor());
                // note that we want to go one step before Phase.CLEANUP_EE because we use metadata that it then cleans up
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.CLEANUP, Phase.CLEANUP_EE - 1, new WeldDeploymentCleanupProcessor());

                // Add additional deployment processors
                ServiceLoader processorProviders = ServiceLoader.load(DeploymentUnitProcessorProvider.class,
                        WildFlySecurityManager.getClassLoaderPrivileged(WeldSubsystemAdd.class));
                for (DeploymentUnitProcessorProvider provider : processorProviders) {
                    processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, provider.getPhase(), provider.getPriority(), provider.getProcessor());
                }
            }
        }, OperationContext.Stage.RUNTIME);

        context.getServiceTarget().addService(TCCLSingletonService.SERVICE_NAME).setInstance(new TCCLSingletonService()).setInitialMode(Mode.ON_DEMAND).install();

        ServiceBuilder builder = context.getServiceTarget().addService(WeldExecutorServices.SERVICE_NAME);
        final Consumer executorServicesConsumer = builder.provides(WeldExecutorServices.SERVICE_NAME);
        builder.setInstance(new WeldExecutorServices(executorServicesConsumer, threadPoolSize));
        builder.setInitialMode(Mode.ON_DEMAND);
        builder.install();
    }

    // Synchronization objects created by iiop Jakarta Enterprise Beans beans require wrapping by JTSSychronizationWrapper to work correctly
    // (WFLY-3538). This hack is used obtain jts configuration in order to avoid doing this in non-jts environments when it is
    // not necessary.
    private boolean checkJtsEnabled(final OperationContext context) {
        try {
            final ModelNode jtsNode = context.readResourceFromRoot(PathAddress.pathAddress("subsystem", "transactions"), false)
                    .getModel().get("jts");
            return jtsNode.isDefined() ? jtsNode.asBoolean() : false;
        } catch (NoSuchResourceException ex) {
            return false;
        }
    }
}




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