FileDocCategorySizeDatePackage
ProxyUtils.javaAPI DocJBoss 4.2.15903Fri Jul 13 20:53:58 BST 2007org.jboss.ejb3

ProxyUtils

public class ProxyUtils extends Object
author
Kabir Khan
version
$Revision: 60233 $

Fields Summary
public static final Class
ASYNCH_PROVIDER_CLASS
public static final long
GET_ASYNCHRONOUS
public static final long
TO_STRING
public static final long
EQUALS
public static final long
HASHCODE
public static final Method
GET_PRIMARY_KEY
public static final Method
GET_HANDLE
public static final Method
GET_EJB_HOME
public static final Method
IS_IDENTICAL
public static final Method
GET_HOME_HANDLE
public static final Method
GET_EJB_METADATA
public static final Method
REMOVE
Constructors Summary
Methods Summary
public static java.lang.Class[]addAsynchProviderInterface(java.lang.Class[] infs)

      ArrayList interfaces = new ArrayList();

      for (int i = 0; i < infs.length; i++)
      {
         if (infs[i] == ASYNCH_PROVIDER_CLASS)
         {
            //This should not happen
            continue;
         }
         interfaces.add(infs[i]);
      }

      interfaces.add(ASYNCH_PROVIDER_CLASS);
      return (Class[]) interfaces.toArray(new Class[interfaces.size()]);
   
public static org.jboss.aop.advice.Interceptor[]addAsynchProxyInterceptor(org.jboss.aspects.asynch.AsynchMixin mixin, org.jboss.aop.advice.Interceptor[] interceptors)

      AsynchProxyInterceptor interceptor = new AsynchProxyInterceptor(mixin);
      Interceptor[] newInterceptors = null;
      newInterceptors = new Interceptor[interceptors.length + 1];
      newInterceptors[0] = interceptor;
      System.arraycopy(interceptors, 0, newInterceptors, 1, interceptors.length);
      return newInterceptors;
   
public static voidaddLocalAsynchronousInfo(org.jboss.aop.joinpoint.MethodInvocation invocation, org.jboss.aspects.asynch.FutureHolder provider)

      if (provider != null)
      {
         invocation.getMetaData().addMetaData(AsynchronousInterceptor.ASYNCH, AsynchronousInterceptor.INVOKE_ASYNCH, "YES", PayloadKey.AS_IS);
         invocation.getMetaData().addMetaData(AsynchronousInterceptor.ASYNCH, AsynchronousInterceptor.FUTURE_HOLDER, provider, PayloadKey.AS_IS);
      }
   
public static java.lang.ObjecthandleCallLocally(java.lang.Object jbproxy, org.jboss.ejb3.remoting.Proxy ih, java.lang.reflect.Method m, java.lang.Object[] args)

      long hash = MethodHashing.calculateHash(m);
      return handleCallLocally(hash, jbproxy, ih, m, args);
   
public static java.lang.ObjecthandleCallLocally(long hash, java.lang.Object jbproxy, org.jboss.ejb3.remoting.Proxy ih, java.lang.reflect.Method m, java.lang.Object[] args)

      if (hash == ProxyUtils.GET_ASYNCHRONOUS)
      {
         return ih.getAsynchronousProxy((JBossProxy)jbproxy);
      }
      else if (hash == TO_STRING)
      {
         return ih.toString();
      }
      else if (hash == HASHCODE)
      {
         return new Integer(ih.toString().hashCode());
      }
      else if (hash == EQUALS)
      {
         return new Boolean(ih.toString().equals(args[0].toString()));
      } 
      return null;
   
public static booleanisAsynchronous(java.lang.Class[] infs)


   
   
      try
      {
         Class[] empty = {};
         
         Method method = JBossProxy.class.getMethod("getAsynchronousProxy", empty);
         GET_ASYNCHRONOUS = MethodHashing.calculateHash(method);
         TO_STRING = MethodHashing.calculateHash(Object.class.getDeclaredMethod("toString", empty));
         EQUALS = MethodHashing.calculateHash(Object.class.getDeclaredMethod("equals", new Class[]{Object.class}));
         HASHCODE = MethodHashing.calculateHash(Object.class.getDeclaredMethod("hashCode", empty));
               
         GET_PRIMARY_KEY = EJBObject.class.getMethod("getPrimaryKey", empty);
         GET_HANDLE = EJBObject.class.getMethod("getHandle", empty);
         GET_EJB_HOME = EJBObject.class.getMethod("getEJBHome", empty);
         IS_IDENTICAL = EJBObject.class.getMethod("isIdentical", new Class[] { EJBObject.class });
         REMOVE = EJBObject.class.getMethod("remove", empty);
                 
         GET_HOME_HANDLE = EJBHome.class.getMethod("getHomeHandle", empty);
         GET_EJB_METADATA = EJBHome.class.getMethod("getEJBMetaData", empty);
      }
      catch (NoSuchMethodException e)
      {
         throw new RuntimeException(e);
      }
   
      for (int i = 0; i < infs.length; i++)
      {
         if (infs[i] == ASYNCH_PROVIDER_CLASS)
         {
            return true;
         }
      }
      return false;