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/*
* 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.
*/
package org.apache.tuscany.sca.runtime;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Base;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.core.LifeCycleListener;
/**
* A replicated DomainRegistry based on Apache Tomcat Tribes
* @tuscany.spi.extension.inheritfrom
*/
public abstract class BaseDomainRegistry implements DomainRegistry, LifeCycleListener {
protected final static Logger logger = Logger.getLogger(BaseDomainRegistry.class.getName());
protected String domainRegistryURI;
protected String domainURI;
protected List<EndpointReference> endpointreferences = new CopyOnWriteArrayList<EndpointReference>();
protected List<EndpointListener> listeners = new CopyOnWriteArrayList<EndpointListener>();
protected List<ContributionListener> contributionlisteners = new CopyOnWriteArrayList<ContributionListener>();
protected ExtensionPointRegistry registry;
protected Map<String, String> attributes;
public BaseDomainRegistry(ExtensionPointRegistry registry,
Map<String, String> attributes,
String domainRegistryURI,
String domainURI) {
this.registry = registry;
this.domainURI = domainURI;
this.domainRegistryURI = domainRegistryURI;
this.attributes = attributes;
}
public abstract void addEndpoint(Endpoint endpoint);
public void addEndpointReference(EndpointReference endpointReference) {
endpointreferences.add(endpointReference);
((RuntimeEndpointReference)endpointReference).bind(registry, this);
logger.fine("Add endpoint reference - " + endpointReference);
}
public void addEndpointListener(EndpointListener listener) {
listeners.add(listener);
}
protected void endpointAdded(Endpoint endpoint) {
((RuntimeEndpoint)endpoint).bind(registry, this);
for (EndpointListener listener : listeners) {
listener.endpointAdded(endpoint);
}
}
protected void endpointRemoved(Endpoint endpoint) {
((RuntimeEndpoint)endpoint).bind(registry, this);
for (EndpointListener listener : listeners) {
listener.endpointRemoved(endpoint);
}
}
protected void endpointUpdated(Endpoint oldEp, Endpoint newEp) {
((RuntimeEndpoint)newEp).bind(registry, this);
for (EndpointListener listener : listeners) {
listener.endpointUpdated(oldEp, newEp);
}
}
public boolean isOutOfDate(EndpointReference endpointReference) {
return ! findEndpoint(endpointReference).contains(endpointReference.getTargetEndpoint());
}
public List<Endpoint> findEndpoint(EndpointReference endpointReference) {
logger.fine("Find endpoint for reference - " + endpointReference);
if (endpointReference.getReference() != null) {
Endpoint targetEndpoint = endpointReference.getTargetEndpoint();
String uri = targetEndpoint.getURI();
// [rfeng] This is a workaround to deal with the case that the endpoint URI doesn't have the
// service name to avoid confusion between structural URIs and service URIs
if (uri.indexOf('#') == -1) {
uri = uri + "#service()";
}
return findEndpoint(uri);
}
return new ArrayList<Endpoint>();
}
public abstract List<Endpoint> findEndpoint(String uri);
public List<EndpointReference> findEndpointReference(Endpoint endpoint) {
return endpointreferences;
}
/**
* Returns a list of EndpointReferences that have a URI that matches a given URI
* @param uri - the URI to match
* @return a List of EndpointReferences that match the supplied URI - if there are none
* an *empty* list is returned (not null)
*/
public List<EndpointReference> findEndpointReferences( String uri ) {
List<EndpointReference> theRefs = new ArrayList<EndpointReference>();
if( uri == null ) return theRefs;
for( EndpointReference ref : endpointreferences ) {
if( uri.equals(ref.getURI()) ) theRefs.add(ref);
} // end for
return theRefs;
} // end method findEndpointReference
public abstract Endpoint getEndpoint(String uri);
public List<EndpointReference> getEndpointReferences() {
return endpointreferences;
}
public abstract Collection<Endpoint> getEndpoints();
public List<EndpointListener> getListeners() {
return listeners;
}
public abstract void removeEndpoint(Endpoint endpoint);
public void removeEndpointReference(EndpointReference endpointReference) {
endpointreferences.remove(endpointReference);
logger.fine("Remove endpoint reference - " + endpointReference);
}
public void removeEndpointListener(EndpointListener listener) {
listeners.remove(listener);
}
public String getDomainURI() {
return domainRegistryURI;
}
public String getDomainName() {
return domainURI;
}
public void addContributionListener(ContributionListener listener) {
contributionlisteners.add(listener);
}
public void removeContributionListener(ContributionListener listener) {
contributionlisteners.remove(listener);
}
public Composite getDomainComposite() {
FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class);
AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class);
Composite domainComposite = assemblyFactory.createComposite();
domainComposite.setName(new QName(Base.SCA11_TUSCANY_NS, getDomainName()));
domainComposite.setAutowire(false);
domainComposite.setLocal(false);
List<Composite> domainIncludes = domainComposite.getIncludes();
Map<String, List<String>> runningCompositeURIs = getRunningCompositeURIs();
for (String curi : runningCompositeURIs.keySet()) {
for (String compositeURI : runningCompositeURIs.get(curi)) {
domainIncludes.add(getRunningComposite(curi, compositeURI));
}
}
return domainComposite;
}
@Override
public boolean isDistributed() {
return true;
}
}
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