0043831443
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@910819 13f79535-47bb-0310-9956-ffa450edef68
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/* $Rev$ $Date$ */
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/**
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* HTTPD module used to eval Java component implementations.
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*/
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#include "string.hpp"
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#include "function.hpp"
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#include "list.hpp"
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#include "value.hpp"
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#include "monad.hpp"
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#include "../server/mod-cpp.hpp"
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#include "../server/mod-eval.hpp"
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#include "mod-java.hpp"
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namespace tuscany {
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namespace server {
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namespace modeval {
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/**
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* Apply a lifecycle start or restart event.
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*/
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struct javaLifecycle {
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javaLifecycle(java::JavaRuntime& jr) : jr(jr) {
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}
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const value operator()(const list<value>& params) const {
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const value func = car(params);
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if (func == "javaRuntime")
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return (gc_ptr<value>)(value*)(void*)&jr;
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return lambda<value(const list<value>&)>();
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}
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java::JavaRuntime& jr;
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};
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const value applyLifecycle(unused const list<value>& params) {
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// Create a Java runtime
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java::JavaRuntime& jr = *(new (gc_new<java::JavaRuntime>()) java::JavaRuntime());
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// Return the function to invoke on subsequent events
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return failable<value>(lambda<value(const list<value>&)>(javaLifecycle(jr)));
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}
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/**
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* Evaluate a Java component implementation and convert it to an applicable
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* lambda function.
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*/
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const failable<lambda<value(const list<value>&)> > evalImplementation(const string& path, const value& impl, const list<value>& px, const lambda<value(const list<value>&)>& lifecycle) {
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const string itype(elementName(impl));
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if (contains(itype, ".java")) {
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const void* p = (gc_ptr<value>)lifecycle(mklist<value>("javaRuntime"));
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return modjava::evalImplementation(path, impl, px, *(java::JavaRuntime*)p);
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}
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if (contains(itype, ".cpp"))
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return modcpp::evalImplementation(path, impl, px);
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return mkfailure<lambda<value(const list<value>&)> >(string("Unsupported implementation type: ") + itype);
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}
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}
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}
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}
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