[ONOS-6348] Intent installer redesign
Change-Id: I9ae2e8158dc1c686eaf848f330566f9dbb78405f
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/installer/DomainIntentInstaller.java b/core/net/src/main/java/org/onosproject/net/intent/impl/installer/DomainIntentInstaller.java
new file mode 100644
index 0000000..a713034
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/installer/DomainIntentInstaller.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed 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.onosproject.net.intent.impl.installer;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.net.domain.DomainIntent;
+import org.onosproject.net.domain.DomainIntentOperations;
+import org.onosproject.net.domain.DomainIntentOperationsContext;
+import org.onosproject.net.domain.DomainIntentService;
+import org.onosproject.net.intent.IntentData;
+import org.onosproject.net.intent.IntentExtensionService;
+import org.onosproject.net.intent.IntentInstallCoordinator;
+import org.onosproject.net.intent.IntentInstaller;
+import org.onosproject.net.intent.IntentOperationContext;
+import org.onosproject.net.intent.impl.IntentManager;
+import org.onosproject.net.intent.impl.ObjectiveTrackerService;
+import org.slf4j.Logger;
+
+import java.util.List;
+import java.util.Optional;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Installer for domain Intent.
+ */
+@Component(immediate = true)
+public class DomainIntentInstaller implements IntentInstaller<DomainIntent> {
+
+ private final Logger log = getLogger(IntentManager.class);
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected IntentExtensionService intentExtensionService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected ObjectiveTrackerService trackerService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected IntentInstallCoordinator intentInstallCoordinator;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected DomainIntentService domainIntentService;
+
+ @Activate
+ public void activated() {
+ intentExtensionService.registerInstaller(DomainIntent.class, this);
+ }
+
+ @Deactivate
+ public void deactivated() {
+ intentExtensionService.unregisterInstaller(DomainIntent.class);
+ }
+
+ @Override
+ public void apply(IntentOperationContext<DomainIntent> context) {
+ Optional<IntentData> toUninstall = context.toUninstall();
+ Optional<IntentData> toInstall = context.toInstall();
+
+ List<DomainIntent> uninstallIntents = context.intentsToUninstall();
+ List<DomainIntent> installIntents = context.intentsToInstall();
+
+ if (!toInstall.isPresent() && !toUninstall.isPresent()) {
+ intentInstallCoordinator.intentInstallSuccess(context);
+ return;
+ }
+
+ if (toUninstall.isPresent()) {
+ IntentData intentData = toUninstall.get();
+ trackerService.removeTrackedResources(intentData.key(), intentData.intent().resources());
+ uninstallIntents.forEach(installable ->
+ trackerService.removeTrackedResources(intentData.intent().key(),
+ installable.resources()));
+ }
+
+ if (toInstall.isPresent()) {
+ IntentData intentData = toInstall.get();
+ trackerService.addTrackedResources(intentData.key(), intentData.intent().resources());
+ installIntents.forEach(installable ->
+ trackerService.addTrackedResources(intentData.key(),
+ installable.resources()));
+ }
+
+ // Generate domain Intent operations
+ DomainIntentOperations.Builder builder = DomainIntentOperations.builder();
+ DomainIntentOperationsContext domainOperationsContext;
+
+ uninstallIntents.forEach(builder::remove);
+ installIntents.forEach(builder::add);
+
+ domainOperationsContext = new DomainIntentOperationsContext() {
+ @Override
+ public void onSuccess(DomainIntentOperations idops) {
+ intentInstallCoordinator.intentInstallSuccess(context);
+ }
+
+ @Override
+ public void onError(DomainIntentOperations idos) {
+ intentInstallCoordinator.intentInstallFailed(context);
+ }
+ };
+ log.debug("submitting domain intent {} -> {}",
+ toUninstall.map(x -> x.key().toString()).orElse("<empty>"),
+ toInstall.map(x -> x.key().toString()).orElse("<empty>"));
+
+ // Submit domain Inten operations with domain context
+ domainIntentService.sumbit(builder.build(domainOperationsContext));
+ }
+}