Examples of org.apache.hivemind.service.MethodSignature

org.apache.hivemind.service.MethodSignature
A representation of a {@link java.lang.reflect.Method}, identifying the name, return type, parameter types and exception types. Actual Method objects are tied to a particular class, and don't compare well with other otherwise identical Methods from other classes or interface; MethodSignatures are distinct from classes and compare well.
Because the intended purpose is to compare methods from interfaces (which are always public and abstract) we don't bother to actually track the modifiers. In addition, at this time, MethodSignature does not distinguish between instance and static methods. @author Howard Lewis Ship

        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
        {
            try
            {
                // Filter the method
                MethodSignature signature = new MethodSignature(method);
                if (_interceptedMethods.contains(signature))
                {
                    // clock the execution time
                    long startTime = System.currentTimeMillis();
                    Object result = method.invoke(_inner, args);

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        bb.add(
                "return {0}.getServiceSerializationSupport().getServiceTokenForService(\"{1}\");",
                ServiceSerializationHelper.class.getName(),
                pointId);


        MethodSignature sig = new MethodSignature(Object.class, "writeReplace", null, null);


        _classFab.addMethod(Modifier.PRIVATE, sig, bb.toString());
    }

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        BodyBuilder builder = new BodyBuilder();


        MethodIterator mi = new MethodIterator(_serviceInterface);
        while (mi.hasNext())
        {
            MethodSignature m = mi.next();
            if( !_classFab.containsMethod( m ) )
            {
                builder.clear();
                builder.begin();
                builder.add("return ($r) ");
                builder.add(indirection);
                builder.add(".");
                builder.add(m.getName());
                builder.addln("($$);");
                builder.end();
                _classFab.addMethod(Modifier.PUBLIC, m, builder.toString());
            }
        }

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        classFab.addField("_shutdown", boolean.class);
        if( !RegistryShutdownListener.class.isAssignableFrom( serviceInterface ) )
        {
            classFab.addInterface(RegistryShutdownListener.class);


            classFab.addMethod(Modifier.PUBLIC | Modifier.FINAL, new MethodSignature(void.class,
                "registryDidShutdown", null, null), "{ _shutdown = true; }");
        }
        classFab.addMethod(
                Modifier.PUBLIC | Modifier.SYNCHRONIZED | Modifier.FINAL,
                new MethodSignature(void.class, "_setInner", new Class[]
                { serviceInterface }, null),
                "{ _inner = $1; }");


        BodyBuilder builder = new BodyBuilder();
        builder.begin();
        builder.addln("if (_shutdown)");
        builder.begin();
        builder.addln("_inner = null;");
        builder.addln("throw org.apache.hivemind.HiveMind#createRegistryShutdownException();");
        builder.end();


        builder.addln("return _inner;");
        builder.end();


        classFab.addMethod(Modifier.PRIVATE, new MethodSignature(serviceInterface, "_getInner",
                null, null), builder.toString());


        proxyBuilder.addServiceMethods("_getInner()");


        return classFab.createClass();

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        body.end();


        classFab.addMethod(
                Modifier.PRIVATE | Modifier.FINAL | Modifier.SYNCHRONIZED,
                new MethodSignature(serviceInterface, "_service", null, null),
                body.toString());


        builder.addServiceMethods("_service()");


        // Build the implementation of interface SingletonInnerProxy


        body.clear();
        body.begin();


        body.add("_service();");


        body.end();


        classFab.addMethod(Modifier.PUBLIC | Modifier.FINAL, new MethodSignature(void.class,
                "_instantiateServiceImplementation", null, null), body.toString());


        classFab.addInterface(SingletonInnerProxy.class);


        return classFab.createClass();

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        { delegateClass }, null, "{ super(); _delegate = $1; }");


        classFab.addInterface(RegistryShutdownListener.class);
        if( RegistryShutdownListener.class.isAssignableFrom( delegateClass ) )
        {
          classFab.addMethod(Modifier.PUBLIC | Modifier.FINAL, new MethodSignature(void.class,
                    "registryDidShutdown", null, null), "{ _delegate.registryDidShutdown(); _delegate = null; _shutdown = true; }");
        }
        else
        {
            classFab.addMethod(Modifier.PUBLIC | Modifier.FINAL, new MethodSignature(void.class,
                    "registryDidShutdown", null, null), "{ _delegate = null; _shutdown = true; }");
        }
        BodyBuilder builder = new BodyBuilder();


        builder.begin();


        builder.addln("if (_shutdown)");
        builder.addln("  throw org.apache.hivemind.HiveMind#createRegistryShutdownException();");


        builder.add("return _delegate;");


        builder.end();


        classFab.addMethod(Modifier.FINAL | Modifier.PRIVATE, new MethodSignature(delegateClass,
                DELEGATE_ACCESSOR_METHOD_NAME, null, null), builder.toString());
    }

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        builder.add(serviceModelMethodName);
        builder.add("();");


        builder.end();


        classFab.addMethod(Modifier.PRIVATE | Modifier.FINAL, new MethodSignature(serviceInterface,
                SERVICE_ACCESSOR_METHOD_NAME, null, null), builder.toString());
    }

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        Iterator i = _methods.iterator();


        while (i.hasNext())
        {
            MethodSignature sig = (MethodSignature) i.next();


            buffer.append("\n\npublic ");
            buffer.append(sig);
            buffer.append(";");
        }

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        }


        i = op.getNonInterfaceMethodSignatures().iterator();
        while (i.hasNext())
        {
            MethodSignature sig = (MethodSignature) i.next();


            fab.addMethod(sig);
        }


        return fab.createInterface();

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            Method[] methods = interfaceClass.getDeclaredMethods();


            for (int i = 0; i < methods.length; i++)
            {
                MethodSignature sig = new MethodSignature(methods[i]);


                _interfaceMethods.add(sig);
            }
        }

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Related Classes of org.apache.hivemind.service.MethodSignature

hivemind.test.services.impl.FilterLoggingInterceptor

hivemind.test.services.TestClassFab

hivemind.test.services.TestMethodSignature

org.apache.hivemind.annotations.AnnotationsMessages

org.apache.hivemind.impl.ConfigurationPointImpl

org.apache.hivemind.impl.ProxyBuilder

org.apache.hivemind.impl.ProxyUtils

org.apache.hivemind.impl.servicemodel.SingletonServiceModel

org.apache.hivemind.impl.TestMethodIterator

org.apache.hivemind.lib.adapter.AdapterRegistryFactory

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