}
protected void retrieveService(String name, Class<?> interfaceClass, Consumer<Object> onServiceRetrieved) {
+ retrieveService(name, interfaceClass.getName(), onServiceRetrieved);
+ }
+
+ protected void retrieveService(String name, String interfaceName, Consumer<Object> onServiceRetrieved) {
StaticServiceReferenceRecipe recipe = new StaticServiceReferenceRecipe(getId() + "-" + name,
- container, interfaceClass.getName());
+ container, interfaceName);
setDependendencyDesc(recipe.getOsgiFilter());
serviceRecipes.add(recipe);
private static final String ID_ATTR = "id";
private static final String RPC_SERVICE = "rpc-service";
private static final String SPECIFIC_SERVICE_REF_LIST = "specific-reference-list";
+ private static final String STATIC_REFERENCE = "static-reference";
@SuppressWarnings("rawtypes")
@Override
return parseClusteredAppConfig(element, context);
} else if (nodeNameEquals(element, SPECIFIC_SERVICE_REF_LIST)) {
return parseSpecificReferenceList(element, context);
+ } else if (nodeNameEquals(element, STATIC_REFERENCE)) {
+ return parseStaticReference(element, context);
}
throw new ComponentDefinitionException("Unsupported standalone element: " + element.getNodeName());
return metadata;
}
+ private Metadata parseStaticReference(Element element, ParserContext context) {
+ ComponentFactoryMetadata metadata = new StaticReferenceMetadata(getId(context, element),
+ element.getAttribute(INTERFACE));
+
+ LOG.debug("parseStaticReference returning {}", metadata);
+
+ return metadata;
+ }
+
private Element parseXML(String name, String xml) {
DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
builderFactory.setNamespaceAware(true);
--- /dev/null
+/*
+ * Copyright (c) 2016 Brocade Communications Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.blueprint.ext;
+
+import org.osgi.service.blueprint.container.ComponentDefinitionException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Factory metadata corresponding to the "static-reference" element that obtains an OSGi service and
+ * returns the actual instance. This differs from the standard "reference" element that returns a dynamic
+ * proxy whose underlying service instance can come and go.
+ *
+ * @author Thomas Pantelis
+ */
+class StaticReferenceMetadata extends AbstractDependentComponentFactoryMetadata {
+ private static final Logger LOG = LoggerFactory.getLogger(StaticReferenceMetadata.class);
+
+ private final String interfaceName;
+ private volatile Object retrievedService;
+
+ StaticReferenceMetadata(String id, String interfaceName) {
+ super(id);
+ this.interfaceName = interfaceName;
+ }
+
+ @Override
+ protected void startTracking() {
+ retrieveService(interfaceName, interfaceName, service -> {
+ retrievedService = service;
+ setSatisfied();
+ });
+ }
+
+ @Override
+ public Object create() throws ComponentDefinitionException {
+ super.onCreate();
+
+ LOG.debug("{}: create returning service {}", logName(), retrievedService);
+
+ return retrievedService;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ builder.append("StaticReferenceMetadata [interfaceName=").append(interfaceName).append("]");
+ return builder.toString();
+ }
+}
<xsd:attribute name="id" type="xsd:ID"/>
</xsd:complexType>
<xsd:element name="specific-reference-list" type="TspecificReferenceList"/>
+
+ <xsd:complexType name="TstaticReference">
+ <xsd:attribute name="interface" type="bp:Tclass" use="required"/>
+ <xsd:attribute name="id" type="xsd:ID"/>
+ </xsd:complexType>
+ <xsd:element name="static-reference" type="TstaticReference"/>
</xsd:schema>
\ No newline at end of file