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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta4-RC1/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/BaseDomainRegistry.java | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC1/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/BaseDomainRegistry.java b/sca-java-2.x/tags/2.0-Beta4-RC1/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/BaseDomainRegistry.java new file mode 100644 index 0000000000..32c53d8c85 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC1/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/BaseDomainRegistry.java @@ -0,0 +1,203 @@ +/* + * 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; + } +} |