Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 0 insertions, 408 deletions

diff --git a/cpp/src/qpid/xml/XmlExchange.cpp b/cpp/src/qpid/xml/XmlExchange.cpp
deleted file mode 100644
index b7ff5d211d..0000000000
--- a/cpp/src/qpid/xml/XmlExchange.cpp
+++ /dev/null
@@ -1,408 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *   http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-#include "config.h"
-
-#include "qpid/xml/XmlExchange.h"
-
-#include "qpid/broker/DeliverableMessage.h"
-
-#include "qpid/log/Statement.h"
-#include "qpid/broker/FedOps.h"
-#include "qpid/framing/FieldTable.h"
-#include "qpid/framing/FieldValue.h"
-#include "qpid/framing/reply_exceptions.h"
-
-#include "qpid/Plugin.h"
-
-#include <xercesc/framework/MemBufInputSource.hpp>
-
-#ifdef XQ_EFFECTIVE_BOOLEAN_VALUE_HPP
-#include <xqilla/ast/XQEffectiveBooleanValue.hpp>
-#endif
-
-#include <xqilla/ast/XQGlobalVariable.hpp>
-
-#include <xqilla/context/ItemFactory.hpp>
-#include <xqilla/xqilla-simple.hpp>
-
-#include <boost/bind.hpp>
-#include <functional>
-#include <algorithm>
-#include <iostream>
-#include <sstream>
-
-using namespace qpid::framing;
-using namespace qpid::sys;
-using qpid::management::Manageable;
-namespace _qmf = qmf::org::apache::qpid::broker;
-
-namespace qpid {
-namespace broker {            
-    
-XQilla XmlBinding::xqilla;
-
-XmlBinding::XmlBinding(const std::string& key, const Queue::shared_ptr queue, const std::string& _fedOrigin, Exchange* parent, 
-                                    const ::qpid::framing::FieldTable& _arguments, const std::string& queryText )
-    :      Binding(key, queue, parent, _arguments),
-           xquery(),
-           parse_message_content(true),
-           fedOrigin(_fedOrigin)
-{ 
-    startManagement();
-
-    QPID_LOG(trace, "Creating binding with query: " << queryText );
-
-    try {  
-        Query q(xqilla.parse(X(queryText.c_str())));
-        xquery = q;
-        
-        QPID_LOG(trace, "Bound successfully with query: " << queryText );
-
-        parse_message_content = false;
-
-        if (xquery->getQueryBody()->getStaticAnalysis().areContextFlagsUsed()) {
-            parse_message_content = true;
-        }
-        else {
-            GlobalVariables &vars = const_cast<GlobalVariables&>(xquery->getVariables());
-            for (GlobalVariables::iterator it = vars.begin(); it != vars.end(); ++it) {
-                if ((*it)->getStaticAnalysis().areContextFlagsUsed()) {
-                    parse_message_content = true;
-                    break;
-                } 
-            }
-        }
-    }
-    catch (XQException& e) {
-        throw InternalErrorException(QPID_MSG("Could not parse xquery:"+ queryText));
-    }
-    catch (...) {
-        throw InternalErrorException(QPID_MSG("Unexpected error - Could not parse xquery:"+ queryText));
-    }    
-}
-
-     
-XmlExchange::XmlExchange(const string& _name, Manageable* _parent, Broker* b) : Exchange(_name, _parent, b)
-{
-    if (mgmtExchange != 0)
-        mgmtExchange->set_type (typeName);
-}
-
-XmlExchange::XmlExchange(const std::string& _name, bool _durable,
-                         const FieldTable& _args, Manageable* _parent, Broker* b) :
-    Exchange(_name, _durable, _args, _parent, b)
-{
-    if (mgmtExchange != 0)
-        mgmtExchange->set_type (typeName);
-}
-    
-bool XmlExchange::bind(Queue::shared_ptr queue, const string& bindingKey, const FieldTable* args)
-{ 
-
-    // Federation uses bind for unbind and reorigin comands as well as for binds.
-    //
-    // Both federated and local binds are done in this method.  Other
-    // federated requests are done by calling the relevent methods.
-
-    string fedOp;
-    string fedTags;
-    string fedOrigin;
-    
-    if (args) 
-        fedOp = args->getAsString(qpidFedOp);
-    if (! fedOp.empty())  {
-        fedTags =  args->getAsString(qpidFedTags);
-        fedOrigin = args->getAsString(qpidFedOrigin);
-    }
-
-    if (fedOp == fedOpUnbind) {
-        return fedUnbind(fedOrigin, fedTags, queue, bindingKey, args);
-    }
-    else if (fedOp == fedOpReorigin) {
-        fedReorigin();
-        return true;
-    }
-
-    // OK, looks like we're really going to bind
-    
-    else if (fedOp.empty() || fedOp == fedOpBind) {
-
-        string queryText = args->getAsString("xquery");
-
-        RWlock::ScopedWlock l(lock);   
- 
-        XmlBinding::vector& bindings(bindingsMap[bindingKey]);
-        XmlBinding::vector::ConstPtr p = bindings.snapshot();
-       
-        if (!p || std::find_if(p->begin(), p->end(), MatchQueueAndOrigin(queue, fedOrigin)) == p->end()) {
-
-            XmlBinding::shared_ptr binding(new XmlBinding (bindingKey, queue, fedOrigin, this, *args, queryText));
-            bindings.add(binding);
-
-            if (mgmtExchange != 0) {
-                mgmtExchange->inc_bindingCount();
-            }
-        } else {
-            return false;
-        }
-    }
-    else {
-        QPID_LOG(warning, "Unknown Federation Op: " << fedOp);
-    }
- 
-    routeIVE();
-    propagateFedOp(bindingKey, fedTags, fedOp, fedOrigin, args);
-
-    return true;
-}
-
-bool XmlExchange::unbind(Queue::shared_ptr queue, const string& bindingKey, const FieldTable* args)
-{
-    /*
-     *  When called directly, no qpidFedOrigin argument will be
-     *  present. When called from federation, it will be present. 
-     *
-     *  This is a bit of a hack - the binding needs the origin, but
-     *  this interface, as originally defined, would not supply one.
-     */
-    string fedOrigin;
-    if (args) fedOrigin = args->getAsString(qpidFedOrigin);
-
-    RWlock::ScopedWlock l(lock);
-    if (bindingsMap[bindingKey].remove_if(MatchQueueAndOrigin(queue, fedOrigin))) {
-        if (mgmtExchange != 0) {
-            mgmtExchange->dec_bindingCount();
-        }
-        return true;
-    } else {
-        return false;      
-    }
-}
-
-bool XmlExchange::matches(Query& query, Deliverable& msg, const qpid::framing::FieldTable* args, bool parse_message_content) 
-{
-    string msgContent;
-
-    try {
-        QPID_LOG(trace, "matches: query is [" << UTF8(query->getQueryText()) << "]");
-
-        boost::scoped_ptr<DynamicContext> context(query->createDynamicContext());
-        if (!context.get()) {
-            throw InternalErrorException(QPID_MSG("Query context looks munged ..."));
-        }
-
-        if (parse_message_content) {
-
-            msg.getMessage().getFrames().getContent(msgContent);
-
-            QPID_LOG(trace, "matches: message content is [" << msgContent << "]");
-
-            XERCES_CPP_NAMESPACE::MemBufInputSource xml((const XMLByte*) msgContent.c_str(), 
-                                                        msgContent.length(), "input" );
-
-            // This will parse the document using either Xerces or FastXDM, depending
-            // on your XQilla configuration. FastXDM can be as much as 10x faster.
-
-            Sequence seq(context->parseDocument(xml));
-
-            if(!seq.isEmpty() && seq.first()->isNode()) {
-                context->setContextItem(seq.first());
-                context->setContextPosition(1);
-                context->setContextSize(1);
-            }
-        }
-
-        if (args) {
-            FieldTable::ValueMap::const_iterator v = args->begin();
-            for(; v != args->end(); ++v) {
-
-                if (v->second->convertsTo<double>()) {
-                    QPID_LOG(trace, "XmlExchange, external variable (double): " << v->first << " = " << v->second->get<double>());
-                    Item::Ptr value = context->getItemFactory()->createDouble(v->second->get<double>(), context.get());
-                    context->setExternalVariable(X(v->first.c_str()), value);
-                }              
-                else if (v->second->convertsTo<int>()) {
-                    QPID_LOG(trace, "XmlExchange, external variable (int):" << v->first << " = " << v->second->getData().getInt());
-                    Item::Ptr value = context->getItemFactory()->createInteger(v->second->get<int>(), context.get());
-                    context->setExternalVariable(X(v->first.c_str()), value);
-                }
-                else if (v->second->convertsTo<std::string>()) {
-                    QPID_LOG(trace, "XmlExchange, external variable (string):" << v->first << " = " << v->second->getData().getString().c_str());
-                    Item::Ptr value = context->getItemFactory()->createString(X(v->second->get<std::string>().c_str()), context.get());
-                    context->setExternalVariable(X(v->first.c_str()), value);
-                }
-
-            }
-        }
-
-        Result result = query->execute(context.get());
-#ifdef XQ_EFFECTIVE_BOOLEAN_VALUE_HPP
-        Item::Ptr first_ = result->next(context.get());
-        Item::Ptr second_ = result->next(context.get());
-        return XQEffectiveBooleanValue::get(first_, second_, context.get(), 0);
-#else 
-        return result->getEffectiveBooleanValue(context.get(), 0);
-#endif
-    }
-    catch (XQException& e) {
-        QPID_LOG(warning, "Could not parse XML content (or message headers):" << msgContent);
-    }
-    catch (...) {
-        QPID_LOG(warning, "Unexpected error routing message: " << msgContent);
-    }
-    return 0;
-}
-
-// Future optimization: If any query in a binding for a given routing key requires
-// message content, parse the message once, and use that parsed form for all bindings.
-//
-// Future optimization: XQilla does not currently do document projection for data
-// accessed via the context item. If there is a single query for a given routing key,
-// and it accesses document data, this could be a big win.
-//
-// Document projection often is not a win if you have multiple queries on the same data.
-// But for very large messages, if all these queries are on the first part of the data,
-// it could still be a big win.
-
-void XmlExchange::route(Deliverable& msg, const string& routingKey, const FieldTable* args)
-{
-    PreRoute pr(msg, this);
-    try {
-        XmlBinding::vector::ConstPtr p;
-        BindingList b(new std::vector<boost::shared_ptr<qpid::broker::Exchange::Binding> >);
-        {
-            RWlock::ScopedRlock l(lock);
-            p = bindingsMap[routingKey].snapshot();
-            if (!p.get()) return;
-        }
-
-        for (std::vector<XmlBinding::shared_ptr>::const_iterator i = p->begin(); i != p->end(); i++) {
-            if (matches((*i)->xquery, msg, args, (*i)->parse_message_content)) { 
-                b->push_back(*i);
-            }
-        }
-        doRoute(msg, b);
-    } catch (...) {
-        QPID_LOG(warning, "XMLExchange " << getName() << ": exception routing message with query " << routingKey);
-    }
-}
-
-
-bool XmlExchange::isBound(Queue::shared_ptr queue, const string* const bindingKey, const FieldTable* const) 
-{
-    RWlock::ScopedRlock l(lock);
-    if (bindingKey) {
-        XmlBindingsMap::iterator i = bindingsMap.find(*bindingKey);
-
-        if (i == bindingsMap.end())
-            return false;
-        if (!queue)
-            return true;
-        XmlBinding::vector::ConstPtr p = i->second.snapshot();
-        return p && std::find_if(p->begin(), p->end(), MatchQueue(queue)) != p->end();
-    } else if (!queue) {
-        //if no queue or routing key is specified, just report whether any bindings exist
-        return bindingsMap.size() > 0;
-    } else {
-        for (XmlBindingsMap::iterator i = bindingsMap.begin(); i != bindingsMap.end(); i++) {
-            XmlBinding::vector::ConstPtr p = i->second.snapshot();
-            if (p && std::find_if(p->begin(), p->end(), MatchQueue(queue)) != p->end()) return true;
-        }
-        return false;
-    }
-
-}
-
-XmlExchange::~XmlExchange() 
-{
-    bindingsMap.clear();
-}
-
-void XmlExchange::propagateFedOp(const std::string& bindingKey, const std::string& fedTags, const std::string& fedOp, const std::string& fedOrigin, const qpid::framing::FieldTable* args)
-{
-    FieldTable nonFedArgs;
-
-    if (args) {            
-        for (qpid::framing::FieldTable::ValueMap::const_iterator i=args->begin(); i != args->end(); ++i)  {
-            const string& name(i->first);
-            if (name != qpidFedOp &&
-                name != qpidFedTags &&
-                name != qpidFedOrigin)  {
-                nonFedArgs.insert((*i));
-            }
-        }
-    }
-
-    FieldTable* propArgs  = (nonFedArgs.count() > 0 ? &nonFedArgs : 0);
-    Exchange::propagateFedOp(bindingKey, fedTags, fedOp, fedOrigin, propArgs);
-}
-
-bool XmlExchange::fedUnbind(const string& fedOrigin, const string& fedTags, Queue::shared_ptr queue, const string& bindingKey, const FieldTable* args)
-{
-    RWlock::ScopedRlock l(lock);
-
-    if (unbind(queue, bindingKey, args)) {
-        propagateFedOp(bindingKey, fedTags, fedOpUnbind, fedOrigin); 
-        return true;
-    }
-    return false;
-}
-
-void XmlExchange::fedReorigin()
-{
-    std::vector<std::string> keys2prop;
-    {
-        RWlock::ScopedRlock l(lock);   
-        for (XmlBindingsMap::iterator i = bindingsMap.begin(); i != bindingsMap.end(); ++i) {
-            XmlBinding::vector::ConstPtr p = i->second.snapshot();
-            if (std::find_if(p->begin(), p->end(), MatchOrigin(string())) != p->end()) {
-                keys2prop.push_back(i->first);
-            }
-        }
-    }   /* lock dropped */
-    for (std::vector<std::string>::const_iterator key = keys2prop.begin();
-         key != keys2prop.end(); key++) {
-        propagateFedOp( *key, string(), fedOpBind, string());
-    }
-}
-
-
-XmlExchange::MatchOrigin::MatchOrigin(const string& _origin) : origin(_origin) {}
-
-bool XmlExchange::MatchOrigin::operator()(XmlBinding::shared_ptr b)
-{
-    return b->fedOrigin == origin;
-}
-
-
-XmlExchange::MatchQueueAndOrigin::MatchQueueAndOrigin(Queue::shared_ptr _queue, const string& _origin) : queue(_queue), origin(_origin) {}
-
-bool XmlExchange::MatchQueueAndOrigin::operator()(XmlBinding::shared_ptr b)
-{
-    return b->queue == queue and b->fedOrigin == origin;
-}
-
-
-const std::string XmlExchange::typeName("xml");
- 
-}
-}