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%2Fdependencyresolver%2FDependencyResolverManager.java;h=2a1a908e7a18875c1baed6997fe9a6e5f6848519;hp=afd865c4fc859a1de2e7ea9bbd6885f30be5d036;hb=2b78a2bcd978808b98c85a2c89160bca4674cffa;hpb=81282cf3711693da7dde667c6bbf18cb40e81ad0 diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DependencyResolverManager.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DependencyResolverManager.java index afd865c4fc..2a1a908e7a 100644 --- a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DependencyResolverManager.java +++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DependencyResolverManager.java @@ -7,42 +7,64 @@ */ package org.opendaylight.controller.config.manager.impl.dependencyresolver; +import static com.google.common.base.Preconditions.checkState; + +import com.google.common.reflect.AbstractInvocationHandler; +import com.google.common.reflect.Reflection; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import javax.annotation.concurrent.GuardedBy; +import javax.management.InstanceAlreadyExistsException; +import javax.management.MBeanServer; import org.opendaylight.controller.config.api.DependencyResolver; import org.opendaylight.controller.config.api.DependencyResolverFactory; import org.opendaylight.controller.config.api.JmxAttribute; import org.opendaylight.controller.config.api.ModuleIdentifier; +import org.opendaylight.controller.config.api.RuntimeBeanRegistratorAwareModule; import org.opendaylight.controller.config.api.ServiceReferenceReadableRegistry; import org.opendaylight.controller.config.manager.impl.CommitInfo; -import org.opendaylight.controller.config.manager.impl.ModuleInternalTransactionalInfo; +import org.opendaylight.controller.config.manager.impl.DeadlockMonitor; +import org.opendaylight.controller.config.manager.impl.ModuleInternalInfo; +import org.opendaylight.controller.config.manager.impl.TransactionIdentifier; import org.opendaylight.controller.config.manager.impl.TransactionStatus; +import org.opendaylight.controller.config.manager.impl.jmx.TransactionModuleJMXRegistrator.TransactionModuleJMXRegistration; import org.opendaylight.controller.config.spi.Module; import org.opendaylight.controller.config.spi.ModuleFactory; - -import javax.annotation.concurrent.GuardedBy; -import javax.management.InstanceAlreadyExistsException; -import java.util.ArrayList; -import java.util.Collections; -import java.util.HashMap; -import java.util.List; -import java.util.Map; +import org.opendaylight.yangtools.yang.data.impl.codec.CodecRegistry; +import org.osgi.framework.BundleContext; /** * Holds information about modules being created and destroyed within this * transaction. Observes usage of DependencyResolver within modules to figure * out dependency tree. */ -public class DependencyResolverManager implements TransactionHolder, DependencyResolverFactory { +public class DependencyResolverManager implements DependencyResolverFactory, AutoCloseable { @GuardedBy("this") private final Map moduleIdentifiersToDependencyResolverMap = new HashMap<>(); + private final TransactionIdentifier transactionIdentifier; private final ModulesHolder modulesHolder; private final TransactionStatus transactionStatus; private final ServiceReferenceReadableRegistry readableRegistry; - - public DependencyResolverManager(String transactionName, - TransactionStatus transactionStatus, ServiceReferenceReadableRegistry readableRegistry) { - this.modulesHolder = new ModulesHolder(transactionName); + private final CodecRegistry codecRegistry; + private final DeadlockMonitor deadlockMonitor; + private final MBeanServer mBeanServer; + + public DependencyResolverManager(TransactionIdentifier transactionIdentifier, + TransactionStatus transactionStatus, + ServiceReferenceReadableRegistry readableRegistry, CodecRegistry codecRegistry, + MBeanServer mBeanServer) { + this.transactionIdentifier = transactionIdentifier; + this.modulesHolder = new ModulesHolder(transactionIdentifier); this.transactionStatus = transactionStatus; this.readableRegistry = readableRegistry; + this.codecRegistry = codecRegistry; + this.deadlockMonitor = new DeadlockMonitor(transactionIdentifier); + this.mBeanServer = mBeanServer; } @Override @@ -54,7 +76,8 @@ public class DependencyResolverManager implements TransactionHolder, DependencyR DependencyResolverImpl dependencyResolver = moduleIdentifiersToDependencyResolverMap.get(name); if (dependencyResolver == null) { transactionStatus.checkNotCommitted(); - dependencyResolver = new DependencyResolverImpl(name, transactionStatus, modulesHolder, readableRegistry); + dependencyResolver = new DependencyResolverImpl(name, transactionStatus, modulesHolder, readableRegistry, + codecRegistry, transactionIdentifier.getName(), mBeanServer); moduleIdentifiersToDependencyResolverMap.put(name, dependencyResolver); } return dependencyResolver; @@ -85,7 +108,6 @@ public class DependencyResolverManager implements TransactionHolder, DependencyR return result; } - @Override public ModuleInternalTransactionalInfo destroyModule( ModuleIdentifier moduleIdentifier) { transactionStatus.checkNotCommitted(); @@ -96,45 +118,85 @@ public class DependencyResolverManager implements TransactionHolder, DependencyR } // protect write access - @Override + public void put( - ModuleInternalTransactionalInfo moduleInternalTransactionalInfo) { + final ModuleIdentifier moduleIdentifier, + final Module module, + ModuleFactory moduleFactory, + ModuleInternalInfo maybeOldInternalInfo, + TransactionModuleJMXRegistration transactionModuleJMXRegistration, + boolean isDefaultBean, BundleContext bundleContext) { transactionStatus.checkNotCommitted(); + + Class moduleClass = Module.class; + if (module instanceof RuntimeBeanRegistratorAwareModule) { + moduleClass = RuntimeBeanRegistratorAwareModule.class; + } + Module proxiedModule = Reflection.newProxy(moduleClass, new AbstractInvocationHandler() { + // optimization: subsequent calls to getInstance MUST return the same value during transaction, + // so it is safe to cache the response + private Object cachedInstance; + + @Override + protected Object handleInvocation(Object proxy, Method method, Object[] args) throws Throwable { + boolean isGetInstance = method.getName().equals("getInstance"); + if (isGetInstance) { + if (cachedInstance != null) { + return cachedInstance; + } + + checkState(deadlockMonitor.isAlive(), "Deadlock monitor is not alive"); + deadlockMonitor.setCurrentlyInstantiatedModule(moduleIdentifier); + } + try { + Object response = method.invoke(module, args); + if (isGetInstance) { + cachedInstance = response; + } + return response; + } catch(InvocationTargetException e) { + throw e.getCause(); + } finally { + if (isGetInstance) { + deadlockMonitor.setCurrentlyInstantiatedModule(null); + } + } + } + }); + + + ModuleInternalTransactionalInfo moduleInternalTransactionalInfo = new ModuleInternalTransactionalInfo( + moduleIdentifier, proxiedModule, moduleFactory, + maybeOldInternalInfo, transactionModuleJMXRegistration, isDefaultBean, module, bundleContext); modulesHolder.put(moduleInternalTransactionalInfo); } // wrapped methods: - @Override public CommitInfo toCommitInfo() { return modulesHolder.toCommitInfo(); } - @Override public Module findModule(ModuleIdentifier moduleIdentifier, - JmxAttribute jmxAttributeForReporting) { + JmxAttribute jmxAttributeForReporting) { return modulesHolder.findModule(moduleIdentifier, jmxAttributeForReporting); } - @Override public ModuleInternalTransactionalInfo findModuleInternalTransactionalInfo(ModuleIdentifier moduleIdentifier) { return modulesHolder.findModuleInternalTransactionalInfo(moduleIdentifier); } - @Override public ModuleFactory findModuleFactory(ModuleIdentifier moduleIdentifier, - JmxAttribute jmxAttributeForReporting) { + JmxAttribute jmxAttributeForReporting) { return modulesHolder.findModuleFactory(moduleIdentifier, jmxAttributeForReporting); } - @Override public Map getAllModules() { return modulesHolder.getAllModules(); } - @Override public void assertNotExists(ModuleIdentifier moduleIdentifier) throws InstanceAlreadyExistsException { modulesHolder.assertNotExists(moduleIdentifier); @@ -142,11 +204,16 @@ public class DependencyResolverManager implements TransactionHolder, DependencyR public List findAllByFactory(ModuleFactory factory) { List result = new ArrayList<>(); - for( ModuleInternalTransactionalInfo info : modulesHolder.getAllInfos()) { + for (ModuleInternalTransactionalInfo info : modulesHolder.getAllInfos()) { if (factory.equals(info.getModuleFactory())) { result.add(info.getIdentifier()); } } return result; } + + public void close() { + deadlockMonitor.close(); + } + }