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/**
* Licensed to the University Corporation for Advanced Internet
* Development, Inc. (UCAID) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* UCAID 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.
*/
/**
* ObservableMetadataProvider.cpp
*
* A metadata provider that notifies interested parties of changes.
*/
#include "internal.h"
#include "saml2/metadata/ObservableMetadataProvider.h"
#define BOOST_BIND_GLOBAL_PLACEHOLDERS
#include <boost/bind.hpp>
#include <xmltooling/util/Threads.h>
using namespace opensaml::saml2md;
using namespace xmltooling;
using namespace boost;
using namespace std;
ObservableMetadataProvider::ObservableMetadataProvider(const xercesc::DOMElement* e, bool deprecationSupport)
: MetadataProvider(e, deprecationSupport), m_observerLock(Mutex::create())
{
}
ObservableMetadataProvider::~ObservableMetadataProvider()
{
}
void ObservableMetadataProvider::emitChangeEvent() const
{
Lock lock(m_observerLock);
for_each(m_observers.begin(), m_observers.end(), boost::bind(&Observer::onEvent, _1, boost::cref(*this)));
}
void ObservableMetadataProvider::emitChangeEvent(const EntityDescriptor& entity) const
{
Lock lock(m_observerLock);
for_each(m_observers.begin(), m_observers.end(), boost::bind(&Observer::onEvent, _1, boost::cref(*this), boost::cref(entity)));
}
void ObservableMetadataProvider::addObserver(const Observer* newObserver) const
{
Lock lock(m_observerLock);
m_observers.push_back(newObserver);
}
const ObservableMetadataProvider::Observer* ObservableMetadataProvider::removeObserver(const Observer* oldObserver) const
{
Lock lock(m_observerLock);
vector<const Observer*>::iterator i = find(m_observers.begin(), m_observers.end(), oldObserver);
if (i != m_observers.end()) {
m_observers.erase(i);
return oldObserver;
}
return nullptr;
}
ObservableMetadataProvider::Observer::Observer()
{
}
ObservableMetadataProvider::Observer::~Observer()
{
}
void ObservableMetadataProvider::Observer::onEvent(const ObservableMetadataProvider& provider, const EntityDescriptor&) const
{
onEvent(provider);
}
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