X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fconfig%2Fconfig-manager%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fconfig%2Fmanager%2Fimpl%2FConfigTransactionControllerImpl.java;h=3e231201821619d36c95b0cc481938b5eda042f4;hp=3e53a7a217e1855dedb596a2b5f1dedcd707ca85;hb=d4e097a03ce5cb23b2418a0bc8fdc182d00da4d0;hpb=428c5b93a8f6c99cc81eab5bcb6809f1b809cb38 diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java index 3e53a7a217..3e23120182 100644 --- a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java +++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java @@ -7,59 +7,58 @@ */ package org.opendaylight.controller.config.manager.impl; +import static java.lang.String.format; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Set; +import java.util.concurrent.atomic.AtomicBoolean; +import javax.annotation.Nullable; +import javax.annotation.concurrent.GuardedBy; +import javax.management.DynamicMBean; +import javax.management.InstanceAlreadyExistsException; +import javax.management.InstanceNotFoundException; +import javax.management.MBeanServer; +import javax.management.ObjectName; import org.opendaylight.controller.config.api.DependencyResolver; import org.opendaylight.controller.config.api.ModuleIdentifier; import org.opendaylight.controller.config.api.ValidationException; import org.opendaylight.controller.config.api.jmx.ObjectNameUtil; import org.opendaylight.controller.config.manager.impl.dependencyresolver.DependencyResolverManager; +import org.opendaylight.controller.config.manager.impl.dependencyresolver.ModuleInternalTransactionalInfo; import org.opendaylight.controller.config.manager.impl.dynamicmbean.DynamicWritableWrapper; import org.opendaylight.controller.config.manager.impl.dynamicmbean.ReadOnlyAtomicBoolean; import org.opendaylight.controller.config.manager.impl.dynamicmbean.ReadOnlyAtomicBoolean.ReadOnlyAtomicBooleanImpl; import org.opendaylight.controller.config.manager.impl.factoriesresolver.HierarchicalConfigMBeanFactoriesHolder; -import org.opendaylight.controller.config.manager.impl.jmx.TransactionJMXRegistrator; import org.opendaylight.controller.config.manager.impl.jmx.TransactionModuleJMXRegistrator; import org.opendaylight.controller.config.manager.impl.jmx.TransactionModuleJMXRegistrator.TransactionModuleJMXRegistration; -import org.opendaylight.controller.config.manager.impl.util.LookupBeansUtil; import org.opendaylight.controller.config.spi.Module; import org.opendaylight.controller.config.spi.ModuleFactory; import org.opendaylight.yangtools.concepts.Identifiable; +import org.opendaylight.yangtools.yang.data.impl.codec.CodecRegistry; import org.osgi.framework.BundleContext; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import javax.annotation.Nullable; -import javax.annotation.concurrent.GuardedBy; -import javax.management.DynamicMBean; -import javax.management.InstanceAlreadyExistsException; -import javax.management.InstanceNotFoundException; -import javax.management.MBeanServer; -import javax.management.ObjectName; -import java.util.HashSet; -import java.util.List; -import java.util.Map; -import java.util.Map.Entry; -import java.util.Set; -import java.util.ArrayList; -import java.util.Collection; -import java.util.concurrent.atomic.AtomicBoolean; - -import static java.lang.String.format; - +import static com.google.common.base.Preconditions.checkNotNull; /** * This is a JMX bean representing current transaction. It contains - * {@link #transactionIdentifier}, unique version and parent version for + * transaction identifier, unique version and parent version for * optimistic locking. */ class ConfigTransactionControllerImpl implements ConfigTransactionControllerInternal, ConfigTransactionControllerImplMXBean, - Identifiable{ + Identifiable { private static final Logger logger = LoggerFactory.getLogger(ConfigTransactionControllerImpl.class); - private final TransactionIdentifier transactionIdentifier; + private final ConfigTransactionLookupRegistry txLookupRegistry; private final ObjectName controllerON; - private final TransactionJMXRegistrator transactionRegistrator; - private final TransactionModuleJMXRegistrator txModuleJMXRegistrator; + private final long parentVersion, currentVersion; private final HierarchicalConfigMBeanFactoriesHolder factoriesHolder; private final DependencyResolverManager dependencyResolverManager; @@ -80,28 +79,28 @@ class ConfigTransactionControllerImpl implements private final boolean blankTransaction; - public ConfigTransactionControllerImpl(String transactionName, - TransactionJMXRegistrator transactionRegistrator, - long parentVersion, long currentVersion, - Map> currentlyRegisteredFactories, + @GuardedBy("this") + private final SearchableServiceReferenceWritableRegistry writableSRRegistry; + + public ConfigTransactionControllerImpl(ConfigTransactionLookupRegistry txLookupRegistry, + long parentVersion, CodecRegistry codecRegistry, long currentVersion, + Map> currentlyRegisteredFactories, MBeanServer transactionsMBeanServer, MBeanServer configMBeanServer, - boolean blankTransaction) { - - this.transactionIdentifier = new TransactionIdentifier(transactionName); - this.controllerON = ObjectNameUtil - .createTransactionControllerON(transactionName); - this.transactionRegistrator = transactionRegistrator; - txModuleJMXRegistrator = transactionRegistrator - .createTransactionModuleJMXRegistrator(); + boolean blankTransaction, SearchableServiceReferenceWritableRegistry writableSRRegistry) { + this.txLookupRegistry = txLookupRegistry; + String transactionName = txLookupRegistry.getTransactionIdentifier().getName(); + this.controllerON = ObjectNameUtil.createTransactionControllerON(transactionName); this.parentVersion = parentVersion; this.currentVersion = currentVersion; this.currentlyRegisteredFactories = currentlyRegisteredFactories; this.factoriesHolder = new HierarchicalConfigMBeanFactoriesHolder(currentlyRegisteredFactories); this.transactionStatus = new TransactionStatus(); - this.dependencyResolverManager = new DependencyResolverManager(transactionName, transactionStatus); + this.dependencyResolverManager = new DependencyResolverManager(txLookupRegistry.getTransactionIdentifier(), + transactionStatus, writableSRRegistry, codecRegistry); this.transactionsMBeanServer = transactionsMBeanServer; this.configMBeanServer = configMBeanServer; this.blankTransaction = blankTransaction; + this.writableSRRegistry = writableSRRegistry; } @Override @@ -126,26 +125,28 @@ class ConfigTransactionControllerImpl implements List toBeAdded = new ArrayList<>(); List toBeRemoved = new ArrayList<>(); - for(ModuleFactory moduleFactory: factoriesHolder.getModuleFactories()) { - if (oldSet.contains(moduleFactory) == false){ + for (ModuleFactory moduleFactory : factoriesHolder.getModuleFactories()) { + if (oldSet.contains(moduleFactory) == false) { toBeAdded.add(moduleFactory); } } - for(ModuleFactory moduleFactory: lastListOfFactories){ + for (ModuleFactory moduleFactory : lastListOfFactories) { if (newSet.contains(moduleFactory) == false) { toBeRemoved.add(moduleFactory); } } // add default modules for (ModuleFactory moduleFactory : toBeAdded) { + BundleContext bundleContext = getModuleFactoryBundleContext(moduleFactory.getImplementationName()); Set defaultModules = moduleFactory.getDefaultModules(dependencyResolverManager, - getModuleFactoryBundleContext(moduleFactory.getImplementationName())); + bundleContext); for (Module module : defaultModules) { // ensure default module to be registered to jmx even if its module factory does not use dependencyResolverFactory DependencyResolver dependencyResolver = dependencyResolverManager.getOrCreate(module.getIdentifier()); try { boolean defaultBean = true; - putConfigBeanToJMXAndInternalMaps(module.getIdentifier(), module, moduleFactory, null, dependencyResolver, defaultBean); + putConfigBeanToJMXAndInternalMaps(module.getIdentifier(), module, moduleFactory, null, + dependencyResolver, defaultBean, bundleContext); } catch (InstanceAlreadyExistsException e) { throw new IllegalStateException(e); } @@ -153,7 +154,7 @@ class ConfigTransactionControllerImpl implements } // remove modules belonging to removed factories - for(ModuleFactory removedFactory: toBeRemoved){ + for (ModuleFactory removedFactory : toBeRemoved) { List modulesOfRemovedFactory = dependencyResolverManager.findAllByFactory(removedFactory); for (ModuleIdentifier name : modulesOfRemovedFactory) { destroyModule(name); @@ -162,22 +163,26 @@ class ConfigTransactionControllerImpl implements } - private synchronized void copyExistingModule( - ModuleInternalInfo oldConfigBeanInfo) - throws InstanceAlreadyExistsException { + private synchronized void copyExistingModule(ModuleInternalInfo oldConfigBeanInfo) throws InstanceAlreadyExistsException { + transactionStatus.checkNotCommitStarted(); transactionStatus.checkNotAborted(); - ModuleIdentifier moduleIdentifier = oldConfigBeanInfo.getName(); + ModuleIdentifier moduleIdentifier = oldConfigBeanInfo.getIdentifier(); dependencyResolverManager.assertNotExists(moduleIdentifier); - ModuleFactory moduleFactory = factoriesHolder - .findByModuleName(moduleIdentifier.getFactoryName()); + ModuleFactory moduleFactory; + BundleContext bc; + try { + moduleFactory = factoriesHolder.findByModuleName(moduleIdentifier.getFactoryName()); + bc = getModuleFactoryBundleContext(moduleFactory.getImplementationName()); + } catch (InstanceNotFoundException e) { + throw new IllegalStateException(e); + } Module module; - DependencyResolver dependencyResolver = dependencyResolverManager - .getOrCreate(moduleIdentifier); + DependencyResolver dependencyResolver = dependencyResolverManager.getOrCreate(moduleIdentifier); try { - BundleContext bc = getModuleFactoryBundleContext(moduleFactory.getImplementationName()); + module = moduleFactory.createModule( moduleIdentifier.getInstanceName(), dependencyResolver, oldConfigBeanInfo.getReadableModule(), bc); @@ -187,12 +192,12 @@ class ConfigTransactionControllerImpl implements oldConfigBeanInfo, moduleFactory), e); } putConfigBeanToJMXAndInternalMaps(moduleIdentifier, module, moduleFactory, oldConfigBeanInfo, dependencyResolver, - oldConfigBeanInfo.isDefaultBean()); + oldConfigBeanInfo.isDefaultBean(), bc); } @Override public synchronized ObjectName createModule(String factoryName, - String instanceName) throws InstanceAlreadyExistsException { + String instanceName) throws InstanceAlreadyExistsException { transactionStatus.checkNotCommitStarted(); transactionStatus.checkNotAborted(); @@ -200,74 +205,93 @@ class ConfigTransactionControllerImpl implements dependencyResolverManager.assertNotExists(moduleIdentifier); // find factory - ModuleFactory moduleFactory = factoriesHolder.findByModuleName(factoryName); + ModuleFactory moduleFactory; + try { + moduleFactory = factoriesHolder.findByModuleName(factoryName); + } catch (InstanceNotFoundException e) { + throw new IllegalArgumentException(e); + } DependencyResolver dependencyResolver = dependencyResolverManager.getOrCreate(moduleIdentifier); + BundleContext bundleContext = getModuleFactoryBundleContext(moduleFactory.getImplementationName()); Module module = moduleFactory.createModule(instanceName, dependencyResolver, - getModuleFactoryBundleContext(moduleFactory.getImplementationName())); + bundleContext); boolean defaultBean = false; return putConfigBeanToJMXAndInternalMaps(moduleIdentifier, module, - moduleFactory, null, dependencyResolver, defaultBean); + moduleFactory, null, dependencyResolver, defaultBean, bundleContext); } private synchronized ObjectName putConfigBeanToJMXAndInternalMaps( ModuleIdentifier moduleIdentifier, Module module, ModuleFactory moduleFactory, - @Nullable ModuleInternalInfo maybeOldConfigBeanInfo, DependencyResolver dependencyResolver, boolean isDefaultBean) + @Nullable ModuleInternalInfo maybeOldConfigBeanInfo, DependencyResolver dependencyResolver, + boolean isDefaultBean, BundleContext bundleContext) throws InstanceAlreadyExistsException { logger.debug("Adding module {} to transaction {}", moduleIdentifier, this); - if (moduleIdentifier.equals(module.getIdentifier())==false) { + if (moduleIdentifier.equals(module.getIdentifier()) == false) { throw new IllegalStateException("Incorrect name reported by module. Expected " - + moduleIdentifier + ", got " + module.getIdentifier()); + + moduleIdentifier + ", got " + module.getIdentifier()); } - if (dependencyResolver.getIdentifier().equals(moduleIdentifier) == false ) { + if (dependencyResolver.getIdentifier().equals(moduleIdentifier) == false) { throw new IllegalStateException("Incorrect name reported by dependency resolver. Expected " + moduleIdentifier + ", got " + dependencyResolver.getIdentifier()); } DynamicMBean writableDynamicWrapper = new DynamicWritableWrapper( - module, moduleIdentifier, transactionIdentifier, + module, moduleIdentifier, getTransactionIdentifier(), readOnlyAtomicBoolean, transactionsMBeanServer, configMBeanServer); ObjectName writableON = ObjectNameUtil.createTransactionModuleON( - transactionIdentifier.getName(), moduleIdentifier); + getTransactionIdentifier().getName(), moduleIdentifier); // put wrapper to jmx - TransactionModuleJMXRegistration transactionModuleJMXRegistration = txModuleJMXRegistrator + TransactionModuleJMXRegistration transactionModuleJMXRegistration = getTxModuleJMXRegistrator() .registerMBean(writableDynamicWrapper, writableON); - ModuleInternalTransactionalInfo moduleInternalTransactionalInfo = new ModuleInternalTransactionalInfo( - moduleIdentifier, module, moduleFactory, - maybeOldConfigBeanInfo, transactionModuleJMXRegistration, isDefaultBean); - dependencyResolverManager.put(moduleInternalTransactionalInfo); + dependencyResolverManager.put( + moduleIdentifier, module, moduleFactory, + maybeOldConfigBeanInfo, transactionModuleJMXRegistration, isDefaultBean, bundleContext); return writableON; } @Override - public synchronized void destroyModule(ObjectName objectName) - throws InstanceNotFoundException { + public synchronized void destroyModule(ObjectName objectName) throws InstanceNotFoundException { + checkTransactionName(objectName); + ObjectNameUtil.checkDomain(objectName); + ModuleIdentifier moduleIdentifier = ObjectNameUtil.fromON(objectName, + ObjectNameUtil.TYPE_MODULE); + destroyModule(moduleIdentifier); + } + + private void checkTransactionName(ObjectName objectName) { String foundTransactionName = ObjectNameUtil .getTransactionName(objectName); - if (transactionIdentifier.getName().equals(foundTransactionName) == false) { + if (getTransactionIdentifier().getName().equals(foundTransactionName) == false) { throw new IllegalArgumentException("Wrong transaction name " + objectName); } - ObjectNameUtil.checkDomain(objectName); - ModuleIdentifier moduleIdentifier = ObjectNameUtil.fromON(objectName, - ObjectNameUtil.TYPE_MODULE); - destroyModule(moduleIdentifier); } private synchronized void destroyModule(ModuleIdentifier moduleIdentifier) { logger.debug("Destroying module {} in transaction {}", moduleIdentifier, this); transactionStatus.checkNotAborted(); + ModuleInternalTransactionalInfo found = dependencyResolverManager.findModuleInternalTransactionalInfo(moduleIdentifier); if (blankTransaction == false) { - ModuleInternalTransactionalInfo found = - dependencyResolverManager.findModuleInternalTransactionalInfo(moduleIdentifier); + if (found.isDefaultBean()) { logger.warn("Warning: removing default bean. This will be forbidden in next version of config-subsystem"); } } + // first remove refNames, it checks for objectname existence + + try { + writableSRRegistry.removeServiceReferences( + ObjectNameUtil.createTransactionModuleON(getTransactionName(), moduleIdentifier)); + } catch (InstanceNotFoundException e) { + logger.error("Possible code error: cannot find {} in {}", moduleIdentifier, writableSRRegistry); + throw new IllegalStateException("Possible code error: cannot find " + moduleIdentifier, e); + } + ModuleInternalTransactionalInfo removedTInfo = dependencyResolverManager.destroyModule(moduleIdentifier); // remove from jmx removedTInfo.getTransactionModuleJMXRegistration().close(); @@ -285,8 +309,9 @@ class ConfigTransactionControllerImpl implements @Override public synchronized void validateConfig() throws ValidationException { - if (configBeanModificationDisabled.get()) + if (configBeanModificationDisabled.get()) { throw new IllegalStateException("Cannot start validation"); + } configBeanModificationDisabled.set(true); try { validate_noLocks(); @@ -297,7 +322,7 @@ class ConfigTransactionControllerImpl implements private void validate_noLocks() throws ValidationException { transactionStatus.checkNotAborted(); - logger.info("Validating transaction {}", transactionIdentifier); + logger.trace("Validating transaction {}", getTransactionIdentifier()); // call validate() List collectedExceptions = new ArrayList<>(); for (Entry entry : dependencyResolverManager @@ -317,7 +342,7 @@ class ConfigTransactionControllerImpl implements throw ValidationException .createFromCollectedValidationExceptions(collectedExceptions); } - logger.info("Validated transaction {}", transactionIdentifier); + logger.trace("Validated transaction {}", getTransactionIdentifier()); } /** @@ -336,7 +361,7 @@ class ConfigTransactionControllerImpl implements try { validate_noLocks(); } catch (ValidationException e) { - logger.info("Commit failed on validation"); + logger.trace("Commit failed on validation"); configBeanModificationDisabled.set(false); // recoverable error throw e; } @@ -359,7 +384,7 @@ class ConfigTransactionControllerImpl implements + "to obtain a lock"); } - logger.info("Committing transaction {}", transactionIdentifier); + logger.trace("Committing transaction {}", getTransactionIdentifier()); // call getInstance() for (Entry entry : dependencyResolverManager @@ -368,24 +393,23 @@ class ConfigTransactionControllerImpl implements ModuleIdentifier name = entry.getKey(); try { logger.debug("About to commit {} in transaction {}", - name, transactionIdentifier); - module.getInstance(); + name, getTransactionIdentifier()); + AutoCloseable instance = module.getInstance(); + checkNotNull(instance, "Instance is null:{} in transaction {}", name, getTransactionIdentifier()); } catch (Exception e) { logger.error("Commit failed on {} in transaction {}", name, - transactionIdentifier, e); + getTransactionIdentifier(), e); internalAbort(); - throw new RuntimeException( + throw new IllegalStateException( format("Error - getInstance() failed for %s in transaction %s", - name, transactionIdentifier), e); + name, getTransactionIdentifier()), e); } } // count dependency order - logger.info("Committed configuration {}", transactionIdentifier); + logger.trace("Committed configuration {}", getTransactionIdentifier()); transactionStatus.setCommitted(); - // unregister this and all modules from jmx - close(); return dependencyResolverManager.getSortedModuleIdentifiers(); } @@ -398,12 +422,14 @@ class ConfigTransactionControllerImpl implements } private void internalAbort() { + logger.trace("Aborting {}", this); transactionStatus.setAborted(); close(); } - private void close() { - transactionRegistrator.close(); + public void close() { + dependencyResolverManager.close(); + txLookupRegistry.close(); } @Override @@ -413,7 +439,7 @@ class ConfigTransactionControllerImpl implements @Override public String getTransactionName() { - return transactionIdentifier.getName(); + return getTransactionIdentifier().getName(); } /** @@ -421,7 +447,7 @@ class ConfigTransactionControllerImpl implements */ @Override public Set lookupConfigBeans() { - return lookupConfigBeans("*", "*"); + return txLookupRegistry.lookupConfigBeans(); } /** @@ -429,7 +455,7 @@ class ConfigTransactionControllerImpl implements */ @Override public Set lookupConfigBeans(String moduleName) { - return lookupConfigBeans(moduleName, "*"); + return txLookupRegistry.lookupConfigBeans(moduleName); } /** @@ -438,20 +464,29 @@ class ConfigTransactionControllerImpl implements @Override public ObjectName lookupConfigBean(String moduleName, String instanceName) throws InstanceNotFoundException { - return LookupBeansUtil.lookupConfigBean(this, moduleName, instanceName); + return txLookupRegistry.lookupConfigBean(moduleName, instanceName); } /** * {@inheritDoc} */ @Override - public Set lookupConfigBeans(String moduleName, - String instanceName) { - ObjectName namePattern = ObjectNameUtil.createModulePattern(moduleName, - instanceName, transactionIdentifier.getName()); - return txModuleJMXRegistrator.queryNames(namePattern, null); + public Set lookupConfigBeans(String moduleName, String instanceName) { + return txLookupRegistry.lookupConfigBeans(moduleName, instanceName); } + /** + * {@inheritDoc} + */ + @Override + public void checkConfigBeanExists(ObjectName objectName) throws InstanceNotFoundException { + txLookupRegistry.checkConfigBeanExists(objectName); + } + // -- + + /** + * {@inheritDoc} + */ @Override public Set getAvailableModuleNames() { return factoriesHolder.getModuleNames(); @@ -473,11 +508,11 @@ class ConfigTransactionControllerImpl implements // @VisibleForTesting TransactionModuleJMXRegistrator getTxModuleJMXRegistrator() { - return txModuleJMXRegistrator; + return txLookupRegistry.getTxModuleJMXRegistrator(); } public TransactionIdentifier getName() { - return transactionIdentifier; + return getTransactionIdentifier(); } @Override @@ -487,7 +522,7 @@ class ConfigTransactionControllerImpl implements @Override public TransactionIdentifier getIdentifier() { - return transactionIdentifier; + return getTransactionIdentifier(); } @Override @@ -498,4 +533,77 @@ class ConfigTransactionControllerImpl implements } return factoryBundleContextEntry.getValue(); } + + // service reference functionality: + + + @Override + public synchronized ObjectName lookupConfigBeanByServiceInterfaceName(String serviceInterfaceQName, String refName) { + return writableSRRegistry.lookupConfigBeanByServiceInterfaceName(serviceInterfaceQName, refName); + } + + @Override + public synchronized Map> getServiceMapping() { + return writableSRRegistry.getServiceMapping(); + } + + @Override + public synchronized Map lookupServiceReferencesByServiceInterfaceName(String serviceInterfaceQName) { + return writableSRRegistry.lookupServiceReferencesByServiceInterfaceName(serviceInterfaceQName); + } + + @Override + public synchronized Set lookupServiceInterfaceNames(ObjectName objectName) throws InstanceNotFoundException { + return writableSRRegistry.lookupServiceInterfaceNames(objectName); + } + + @Override + public synchronized String getServiceInterfaceName(String namespace, String localName) { + return writableSRRegistry.getServiceInterfaceName(namespace, localName); + } + + @Override + public synchronized ObjectName saveServiceReference(String serviceInterfaceName, String refName, ObjectName moduleON) throws InstanceNotFoundException { + return writableSRRegistry.saveServiceReference(serviceInterfaceName, refName, moduleON); + } + + @Override + public synchronized void removeServiceReference(String serviceInterfaceName, String refName) throws InstanceNotFoundException { + writableSRRegistry.removeServiceReference(serviceInterfaceName, refName); + } + + @Override + public synchronized void removeAllServiceReferences() { + writableSRRegistry.removeAllServiceReferences(); + } + + @Override + public boolean removeServiceReferences(ObjectName objectName) throws InstanceNotFoundException { + return writableSRRegistry.removeServiceReferences(objectName); + } + + @Override + public SearchableServiceReferenceWritableRegistry getWritableRegistry() { + return writableSRRegistry; + } + + @Override + public TransactionIdentifier getTransactionIdentifier() { + return txLookupRegistry.getTransactionIdentifier(); + } + + @Override + public Set getAvailableModuleFactoryQNames() { + return txLookupRegistry.getAvailableModuleFactoryQNames(); + } + + @Override + public void checkServiceReferenceExists(ObjectName objectName) throws InstanceNotFoundException { + writableSRRegistry.checkServiceReferenceExists(objectName); + } + + @Override + public ObjectName getServiceReference(String serviceInterfaceQName, String refName) throws InstanceNotFoundException { + return writableSRRegistry.getServiceReference(serviceInterfaceQName, refName); + } }