Configurable update-strategy for clusteredAppConfig

[controller.git] / opendaylight / blueprint / src / main / java / org / opendaylight / controller / blueprint / ext / OpendaylightNamespaceHandler.java

diff --git a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/OpendaylightNamespaceHandler.java b/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/OpendaylightNamespaceHandler.java
index ab9e216d036d52628fcaa10d7ef257e41616a518..47b2c2b238320f711d428208728608b49ee92e7f 100644 (file)
--- a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/OpendaylightNamespaceHandler.java
+++ b/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/OpendaylightNamespaceHandler.java
@@ -54,6 +54,7 @@ public class OpendaylightNamespaceHandler implements NamespaceHandler {
     static final String RPC_REGISTRY_NAME = "org.opendaylight.blueprint.RpcRegistry";
     static final String NOTIFICATION_SERVICE_NAME = "org.opendaylight.blueprint.NotificationService";
     static final String TYPE_ATTR = "type";
+    static final String UPDATE_STRATEGY_ATTR = "update-strategy";
 
     private static final Logger LOG = LoggerFactory.getLogger(OpendaylightNamespaceHandler.class);
     private static final String COMPONENT_PROCESSOR_NAME = ComponentProcessor.class.getName();
@@ -65,6 +66,7 @@ public class OpendaylightNamespaceHandler implements NamespaceHandler {
     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
@@ -99,6 +101,8 @@ public class OpendaylightNamespaceHandler implements NamespaceHandler {
             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());
@@ -346,7 +350,21 @@ public class OpendaylightNamespaceHandler implements NamespaceHandler {
 
         return new DataStoreAppConfigMetadata(getId(context, element), element.getAttribute(
                 DataStoreAppConfigMetadata.BINDING_CLASS), element.getAttribute(
-                        DataStoreAppConfigMetadata.LIST_KEY_VALUE), defaultAppConfigElement);
+                        DataStoreAppConfigMetadata.LIST_KEY_VALUE), element.getAttribute(
+                        DataStoreAppConfigMetadata.DEFAULT_CONFIG_FILE_NAME), parseUpdateStrategy(
+                        element.getAttribute(UPDATE_STRATEGY_ATTR)), defaultAppConfigElement);
+    }
+
+    private UpdateStrategy parseUpdateStrategy(String updateStrategyValue) {
+        if (Strings.isNullOrEmpty(updateStrategyValue) ||
+                updateStrategyValue.equalsIgnoreCase(UpdateStrategy.RELOAD.name())) {
+            return UpdateStrategy.RELOAD;
+        } else if(updateStrategyValue.equalsIgnoreCase(UpdateStrategy.NONE.name())){
+            return UpdateStrategy.NONE;
+        } else {
+            LOG.warn("update-strategy {} not supported, using reload", updateStrategyValue);
+            return UpdateStrategy.RELOAD;
+        }
     }
 
     private Metadata parseSpecificReferenceList(Element element, ParserContext context) {
@@ -358,6 +376,15 @@ public class OpendaylightNamespaceHandler implements NamespaceHandler {
         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);