2 * Copyright 2009 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * ObservableMetadataProvider.cpp
20 * A metadata provider that notifies interested parties of changes.
24 #include "saml2/metadata/ObservableMetadataProvider.h"
26 #include <xmltooling/util/Threads.h>
28 using namespace opensaml::saml2md;
29 using namespace xmltooling;
32 ObservableMetadataProvider::ObservableMetadataProvider(const xercesc::DOMElement* e)
33 : MetadataProvider(e), m_observerLock(Mutex::create())
37 ObservableMetadataProvider::~ObservableMetadataProvider()
39 delete m_observerLock;
42 void ObservableMetadataProvider::emitChangeEvent() const
44 Lock lock(m_observerLock);
45 for (vector<const Observer*>::const_iterator i=m_observers.begin(); i!=m_observers.end(); i++) {
50 void ObservableMetadataProvider::addObserver(const Observer* newObserver) const
52 Lock lock(m_observerLock);
53 m_observers.push_back(newObserver);
56 const ObservableMetadataProvider::Observer* ObservableMetadataProvider::removeObserver(const Observer* oldObserver) const
58 Lock lock(m_observerLock);
59 for (vector<const Observer*>::iterator i=m_observers.begin(); i!=m_observers.end(); i++) {
60 if (oldObserver==(*i)) {