Examples of CommandInterceptor

org.activiti.engine.impl.interceptor.CommandInterceptor
@author Tom Baeyens
org.camunda.bpm.engine.impl.interceptor.CommandInterceptor
@author Tom Baeyens
org.infinispan.interceptors.base.CommandInterceptor
This is the base class for all interceptors to extend, and implements the {@link Visitor} interface allowing it tointercept invocations on {@link VisitableCommand}s.
Commands are either created by the {@link CacheImpl} (for invocations on the {@link Cache} public interface), orby the {@link InboundInvocationHandler} for remotely originating invocations, and are passed up the interceptor chainby using the {@link InterceptorChain} helper class.
When writing interceptors, authors can either override a specific visitXXX() method (such as {@link #visitGetKeyValueCommand(InvocationContext,GetKeyValueCommand)}) or the more generic {@link #handleDefault(InvocationContext,VisitableCommand)} which is the default behaviour of any visit method, as definedin {@link AbstractVisitor#handleDefault(InvocationContext,VisitableCommand)}.
The preferred approach is to override the specific visitXXX() methods that are of interest rather than to override {@link #handleDefault(InvocationContext,VisitableCommand)} and then write a series of if statements or a switchblock, if command-specific behaviour is needed.
@author Mircea.Markus@jboss.com @see VisitableCommand @see Visitor @see InterceptorChain @since 4.0
org.jboss.cache.interceptors.base.CommandInterceptor
This is the base class for all interceptors to extend, and implements the {@link org.jboss.cache.commands.Visitor} interfaceallowing it to intercept invocations on {@link org.jboss.cache.commands.VisitableCommand}s.
Commands are created either by the {@link org.jboss.cache.invocation.CacheInvocationDelegate} (for invocations on the {@link org.jboss.cache.Cache}public interface), the {@link org.jboss.cache.invocation.NodeInvocationDelegate} for invocations on the {@link org.jboss.cache.Node}public interface, or by the {@link org.jboss.cache.marshall.CommandAwareRpcDispatcher} for remotely originating invocations, andare passed up the interceptor chain by using the {@link org.jboss.cache.interceptors.InterceptorChain} helper class.
When writing interceptors, authors can either override a specific visitXXX() method (such as {@link #visitGetKeyValueCommand(org.jboss.cache.InvocationContext,org.jboss.cache.commands.read.GetKeyValueCommand)}) or the more generic {@link #handleDefault(org.jboss.cache.InvocationContext,org.jboss.cache.commands.VisitableCommand)} which is the default behaviour ofany visit method, as defined in {@link org.jboss.cache.commands.AbstractVisitor#handleDefault(org.jboss.cache.InvocationContext,org.jboss.cache.commands.VisitableCommand)}.
The preferred approach is to override the specific visitXXX() methods that are of interest rather than to override {@link #handleDefault(org.jboss.cache.InvocationContext,org.jboss.cache.commands.VisitableCommand)}and then write a series of if statements or a switch block, if command-specific behaviour is needed.
@author Mircea.Markus@jboss.com @see VisitableCommand @see org.jboss.cache.commands.Visitor @see org.jboss.cache.interceptors.InterceptorChain @since 2.2

Examples of org.infinispan.interceptors.base.CommandInterceptor

   /**
    * Returns all the interceptors that have the fully qualified name of their class equal with the supplied class
    * name.
    */
   public List<CommandInterceptor> getInterceptorsWithClassName(String name) {
      CommandInterceptor iterator = firstInChain;
      List<CommandInterceptor> result = new ArrayList<CommandInterceptor>(2);
      while (iterator != null) {
         if (iterator.getClass().getName().equals(name)) result.add(iterator);
         iterator = iterator.getNext();
      }
      return result;
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

      return result;
   }


   public String toString() {
      StringBuilder sb = new StringBuilder();
      CommandInterceptor i = firstInChain;
      while (i != null) {
         sb.append("\n\t>> ");
         sb.append(i.getClass().getName());
         i = i.getNext();
      }
      return sb.toString();
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor


   /**
    * Checks whether the chain contains the supplied interceptor instance.
    */
   public boolean containsInstance(CommandInterceptor interceptor) {
      CommandInterceptor it = firstInChain;
      while (it != null) {
         if (it == interceptor) return true;
         it = it.getNext();
      }
      return false;
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

      }
      return false;
   }


   public synchronized boolean containsInterceptorType(Class<? extends CommandInterceptor> interceptorType) {
      CommandInterceptor it = firstInChain;
      while (it != null) {
         if (it.getClass().equals(interceptorType)) return true;
         it = it.getNext();
      }
      return false;
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

    * Ensures that the interceptor of type passed in isn't already added
    *
    * @param clazz type of interceptor to check for
    */
   private void assertNotAdded(Class<? extends CommandInterceptor> clazz) {
      CommandInterceptor next = firstInChain;
      while (next != null) {
         if (next.getClass().equals(clazz))
            throw new ConfigurationException("Detected interceptor of type [" + clazz.getName() + "] being added to the interceptor chain more than once!");
         next = next.getNext();
      }
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

         interceptor.setNext(firstInChain);
         firstInChain = interceptor;
         return;
      }
      if (firstInChain == null) return;
      CommandInterceptor it = firstInChain;
      int index = 0;
      while (it != null) {
         if (++index == position) {
            interceptor.setNext(it.getNext());
            it.setNext(interceptor);
            return;
         }
         it = it.getNext();
      }
      throw new IllegalArgumentException("Invalid index: " + index + " !");
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

      if (firstInChain == null) return;
      if (position == 0) {
         firstInChain = firstInChain.getNext();
         return;
      }
      CommandInterceptor it = firstInChain;
      int index = 0;
      while (it != null) {
         if (++index == position) {
            if (it.getNext() == null) return; //nothing to remove
            it.setNext(it.getNext().getNext());
            return;
         }
         it = it.getNext();
      }
      throw new IllegalArgumentException("Invalid position: " + position + " !");
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

   /**
    * Returns the number of interceptors in the chain.
    */
   public int size() {
      int size = 0;
      CommandInterceptor it = firstInChain;
      while (it != null) {
         size++;
         it = it.getNext();
      }
      return size;


   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

    */
   public List<CommandInterceptor> asList() {
      if (firstInChain == null) return Collections.emptyList();


      List<CommandInterceptor> retval = new LinkedList<CommandInterceptor>();
      CommandInterceptor tmp = firstInChain;
      do {
         retval.add(tmp);
         tmp = tmp.getNext();
      }
      while (tmp != null);
      return Collections.unmodifiableList(retval);
   }

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Examples of org.infinispan.interceptors.base.CommandInterceptor

    */
   public void removeInterceptor(Class<? extends CommandInterceptor> clazz) {
      if (firstInChain.getClass() == clazz) {
         firstInChain = firstInChain.getNext();
      }
      CommandInterceptor it = firstInChain.getNext();
      CommandInterceptor prevIt = firstInChain;
      while (it != null) {
         if (it.getClass() == clazz) {
            prevIt.setNext(it.getNext());
         }
         prevIt = it;
         it = it.getNext();
      }
   }

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