Examples of org.jboss.ha.framework.server.HATarget

org.jboss.ha.framework.server.HATarget
Control point representing a clustered service. Works with the {@link DistributedReplicantManager} to makes available a{@link #getReplicants() list of replicants} (objects used to identify remote service endpoints around the cluster) for the service. Guards access to the service via the {@link #invocationsAllowed()} and {@link #setInvocationsAuthorization(int)} methods. @author bill@burkecentral.com @version $Revision: 69398 $
Revisions:

2002/01/13: Bill Burke
1. Initial revision

      StatelessContainer container = (StatelessContainer) getContainer();
      String partitionName = container.getPartitionName();
      proxyFamilyName = container.getDeploymentQualifiedName() + locator.getProtocol() + partitionName;
      HAPartition partition = HAPartitionLocator.getHAPartitionLocator().getHAPartition(partitionName, container.getInitialContextProperties());
      drm = partition.getDistributedReplicantManager();
      hatarget = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
      ClusteringTargetsRepository.initTarget(proxyFamilyName, hatarget.getReplicants());
      
      container.getClusterFamilies().put(proxyFamilyName, hatarget);
      
      if (clustered.loadBalancePolicy() == null || clustered.loadBalancePolicy().equals(ClusteredDefaults.LOAD_BALANCE_POLICY_DEFAULT))

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      SessionContainer container = this.getContainer();
      partitionName = container.getPartitionName();
      proxyFamilyName = container.getDeploymentQualifiedName() + locator.getProtocol() + partitionName;
      partition = HAPartitionLocator.getHAPartitionLocator().getHAPartition(partitionName, container.getInitialContextProperties());
      drm = partition.getDistributedReplicantManager();
      hatarget = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
      ClusteringTargetsRepository.initTarget(proxyFamilyName, hatarget.getReplicants());
      container.getClusterFamilies().put(proxyFamilyName, hatarget);
      
      if (clustered.loadBalancePolicy() == null || clustered.loadBalancePolicy().equals(ClusteredDefaults.LOAD_BALANCE_POLICY_DEFAULT))
      {

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         for(InvokerHA replicant : replicants)
         {
            /* create ha-target in first server with the list of replicants and register 
             * it with the MBeanServer. */
            HATarget target = new MockHATarget(null, replicantName, null, 2);
            target.replicantsChanged(null, locators, 0, false);
            replicant.registerBean(targetName, target);         
         }
      }

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   {
      for(InvokerHA replicant : replicants)
      {
         /* create ha-target in the server with the list of replicants and register 
          * it with the MBeanServer. */
         HATarget target = new MockHATarget(null, replicantName, null, 2);
         target.replicantsChanged(null, replicants, 0, false);
         replicant.registerBean(targetName, target);         
      }
   }

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      String clientBindUrl = ProxyFactoryHelper.getClientBindUrl(binding);
      locator = new InvokerLocator(clientBindUrl);
      String partitionName = ((StatelessContainer) getContainer()).getPartitionName();
      proxyFamilyName = ((StatelessContainer) getContainer()).getDeploymentQualifiedName() + locator.getProtocol() + partitionName;
      HAPartition partition = (HAPartition) getContainer().getInitialContext().lookup("/HAPartition/" + partitionName);
      hatarget = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
      ClusteringTargetsRepository.initTarget(proxyFamilyName, hatarget.getReplicants());
      ((StatelessContainer) getContainer()).getClusterFamilies().put(proxyFamilyName, hatarget);
      if (clustered.loadBalancePolicy() == null || clustered.loadBalancePolicy().equals(LoadBalancePolicy.class))
      {
         lbPolicy = new RandomRobin();

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      String clientBindUrl = ProxyFactoryHelper.getClientBindUrl(binding);
      locator = new InvokerLocator(clientBindUrl);
      String partitionName = ((SessionContainer) getContainer()).getPartitionName();
      proxyFamilyName = ((SessionContainer) getContainer()).getDeploymentQualifiedName() + locator.getProtocol() + partitionName;
      HAPartition partition = (HAPartition) getContainer().getInitialContext().lookup("/HAPartition/" + partitionName);
      hatarget = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
      ClusteringTargetsRepository.initTarget(proxyFamilyName, hatarget.getReplicants());
      ((SessionContainer) getContainer()).getClusterFamilies().put(proxyFamilyName, hatarget);
      if (clustered.loadBalancePolicy() == null || clustered.loadBalancePolicy().equals(LoadBalancePolicy.class))
      {
         lbPolicy = new FirstAvailable();

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   public Object invoke(org.jboss.aop.joinpoint.Invocation invocation) throws Throwable
   {
      Object response = invocation.invokeNext();
      String clientFamily = (String) invocation.getMetaData(CLUSTERED_REMOTING, CLUSTER_FAMILY);


      HATarget target = (HATarget) families.get(clientFamily);
      if (target == null)
      {
         return response;
      }


      Long clientViewId = (Long) invocation.getMetaData(CLUSTERED_REMOTING, CLUSTER_VIEW_ID);
      if (clientViewId == null)
      {
         // Maybe we're being invoked upon by a non-clustered proxy
         return response;
      }
      if (clientViewId.longValue() != target.getCurrentViewId())
      {
         invocation.addResponseAttachment("replicants", new ArrayList(target.getReplicants()));
         invocation.addResponseAttachment("viewId", new Long(target.getCurrentViewId()));
      }
      return response;
   }

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   public Object invoke(Invocation invocation) throws Throwable
   {
      Object response = invocation.invokeNext();
      String clientFamily = (String) invocation.getMetaData(CLUSTERED_REMOTING, CLUSTER_FAMILY);


      HATarget target = families.get(clientFamily);
      if (target == null)
      {
         return response;
      }


      Long clientViewId = (Long) invocation.getMetaData(CLUSTERED_REMOTING, CLUSTER_VIEW_ID);
      if (clientViewId == null)
      {
         // Maybe we're being invoked upon by a non-clustered proxy
         return response;
      }
      if (clientViewId.longValue() != target.getCurrentViewId())
      {
         invocation.addResponseAttachment("replicants", new ArrayList<Object>(target.getReplicantList()));
         invocation.addResponseAttachment("viewId", new Long(target.getCurrentViewId()));
      }
      return response;
   }

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      SessionContainer container = this.getContainer();
      partitionName = container.getPartitionName();
      proxyFamilyName = container.getDeploymentQualifiedName() + locator.getProtocol() + partitionName;
      partition = HAPartitionLocator.getHAPartitionLocator().getHAPartition(partitionName, container.getInitialContextProperties());
      drm = partition.getDistributedReplicantManager();
      hatarget = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
      ClusteringTargetsRepository.initTarget(proxyFamilyName, hatarget.getReplicants());
      container.getClusterFamilies().put(proxyFamilyName, hatarget);
      
      if (clustered.loadBalancePolicy() == null || clustered.loadBalancePolicy().equals(ClusteredDefaults.LOAD_BALANCE_POLICY_DEFAULT))
      {

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      StatelessContainer container = (StatelessContainer) getContainer();
      String partitionName = container.getPartitionName();
      proxyFamilyName = container.getDeploymentQualifiedName() + locator.getProtocol() + partitionName;
      HAPartition partition = HAPartitionLocator.getHAPartitionLocator().getHAPartition(partitionName, container.getInitialContextProperties());
      drm = partition.getDistributedReplicantManager();
      hatarget = new HATarget(partition, proxyFamilyName, locator, HATarget.ENABLE_INVOCATIONS);
      ClusteringTargetsRepository.initTarget(proxyFamilyName, hatarget.getReplicants());
      
      container.getClusterFamilies().put(proxyFamilyName, hatarget);
      
      if (clustered.loadBalancePolicy() == null || clustered.loadBalancePolicy().equals(ClusteredDefaults.LOAD_BALANCE_POLICY_DEFAULT))

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