PNF re-registration is supported

Change-Id: I3a70c610e075bcfbab8cee62ae229ce06cfc5e5d
Signed-off-by: andrzejszukuc <andrzej.szukuc@nokia.com>
Issue-ID: DCAEGEN2-1059

17 files changed, 675 insertions, 257 deletions

diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/AaiHttpClientConfig.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/AaiHttpClientConfig.java
new file mode 100644
index 00000000..c90fd9e3
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/AaiHttpClientConfig.java
@@ -0,0 +1,75 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.prh.configuration;
+
+import org.onap.dcaegen2.services.prh.model.AaiJsonBodyBuilderImpl;
+import org.onap.dcaegen2.services.prh.model.AaiPnfResultModel;
+import org.onap.dcaegen2.services.prh.model.AaiServiceInstanceResultModel;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.config.AaiClientConfiguration;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.AaiHttpClientFactory;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.AaiHttpClient;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.get.AaiGetServiceInstanceClient;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.get.AaiHttpGetClient;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.patch.AaiHttpPatchClient;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.CloudHttpClient;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse;
+import org.onap.dcaegen2.services.sdk.rest.services.model.AaiModel;
+import org.onap.dcaegen2.services.sdk.rest.services.model.AaiServiceInstanceQueryModel;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.function.BiFunction;
+
+@Configuration
+public class AaiHttpClientConfig {
+    @Autowired
+    private CloudConfiguration cloudConfig;
+
+    @Bean
+    public AaiHttpClient<AaiModel, HttpResponse> getPatchClientFactory() {
+        return createLazyConfigClient(
+                (config, client) -> new AaiHttpPatchClient(config, new AaiJsonBodyBuilderImpl(), client));
+    }
+
+    @Bean
+    public AaiHttpClient<AaiServiceInstanceQueryModel, AaiServiceInstanceResultModel> getServiceInstanceClient() {
+        return createLazyConfigClient(
+                (config, client) -> new AaiGetServiceInstanceClient(config, client)
+                        .map(x -> x.bodyAsJson(AaiServiceInstanceResultModel.class)));
+    }
+
+    @Bean
+    public AaiHttpClient<AaiModel, AaiPnfResultModel> getGetClient() {
+        return createLazyConfigClient(
+                (config, client) -> new AaiHttpGetClient(config, client)
+                        .map(x -> x.bodyAsJson(AaiPnfResultModel.class)));
+    }
+
+    private <T, U> AaiHttpClient<T, U> createLazyConfigClient(
+            final BiFunction<AaiClientConfiguration, CloudHttpClient, AaiHttpClient<T, U>> factoryMethod) {
+
+        return x -> factoryMethod.apply(
+                cloudConfig.getAaiClientConfiguration(),
+                new AaiHttpClientFactory(cloudConfig.getAaiClientConfiguration()).build()
+        ).getAaiResponse(x);
+    }
+}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/AppConfig.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/AppConfig.java
index 99886302..2a7661a9 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/AppConfig.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/AppConfig.java
@@ -96,6 +96,27 @@ public class AppConfig extends PrhAppConfig {
     @Value("${dmaap.dmaapProducerConfiguration.dmaapContentType:}")
     public String producerDmaapContentType;
 
+    @Value("${dmaap.dmaapUpdateProducerConfiguration.dmaapHostName:}")
+    public String updateProducerDmaapHostName;
+
+    @Value("${dmaap.dmaapUpdateProducerConfiguration.dmaapPortNumber:}")
+    public Integer updateProducerDmaapPortNumber;
+
+    @Value("${dmaap.dmaapUpdateProducerConfiguration.dmaapTopicName:}")
+    public String updateProducerDmaapTopicName;
+
+    @Value("${dmaap.dmaapUpdateProducerConfiguration.dmaapProtocol:}")
+    public String updateProducerDmaapProtocol;
+
+    @Value("${dmaap.dmaapUpdateProducerConfiguration.dmaapUserName:}")
+    public String updateProducerDmaapUserName;
+
+    @Value("${dmaap.dmaapUpdateProducerConfiguration.dmaapUserPassword:}")
+    public String updateProducerDmaapUserPassword;
+
+    @Value("${dmaap.dmaapUpdateProducerConfiguration.dmaapContentType:}")
+    public String updateProducerDmaapContentType;
+
     @Value("${aai.aaiClientConfiguration.aaiHost:}")
     public String aaiHost;
 
@@ -120,6 +141,9 @@ public class AppConfig extends PrhAppConfig {
     @Value("${aai.aaiClientConfiguration.aaiPnfPath:}")
     public String aaiPnfPath;
 
+    @Value("${aai.aaiClientConfiguration.aaiServiceInstancePath:}")
+    public String aaiServiceInstancePath;
+
     @Value("${security.trustStorePath:}")
     public String trustStorePath;
 
@@ -215,6 +239,8 @@ public class AppConfig extends PrhAppConfig {
                 .orElse(aaiClientConfiguration.aaiBasePath()))
             .aaiPnfPath(
                 Optional.ofNullable(aaiPnfPath).filter(isEmpty.negate()).orElse(aaiClientConfiguration.aaiPnfPath()))
+            .aaiServiceInstancePath(
+                Optional.ofNullable(aaiServiceInstancePath).filter(isEmpty.negate()).orElse(aaiClientConfiguration.aaiServiceInstancePath()))
             .aaiHeaders(aaiClientConfiguration.aaiHeaders())
             .trustStorePath(
                 Optional.ofNullable(trustStorePath).filter(isEmpty.negate())
@@ -279,6 +305,51 @@ public class AppConfig extends PrhAppConfig {
             .build();
     }
 
+    @Override
+    public DmaapPublisherConfiguration getDmaapUpdatePublisherConfiguration() {
+        if (noFileConfiguration(dmaapUpdatePublisherConfiguration)) {
+            return null;
+        }
+        return new ImmutableDmaapPublisherConfiguration.Builder()
+            .dmaapContentType(
+                Optional.ofNullable(updateProducerDmaapContentType).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.dmaapContentType()))
+            .dmaapHostName(
+                Optional.ofNullable(updateProducerDmaapHostName).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.dmaapHostName()))
+            .dmaapPortNumber(
+                Optional.ofNullable(updateProducerDmaapPortNumber).filter(p -> !p.toString().isEmpty())
+                    .orElse(dmaapPublisherConfiguration.dmaapPortNumber()))
+            .dmaapProtocol(
+                Optional.ofNullable(updateProducerDmaapProtocol).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.dmaapProtocol()))
+            .dmaapTopicName(
+                Optional.ofNullable(updateProducerDmaapTopicName).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.dmaapTopicName()))
+            .dmaapUserName(
+                Optional.ofNullable(updateProducerDmaapUserName).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.dmaapUserName()))
+            .dmaapUserPassword(
+                Optional.ofNullable(updateProducerDmaapUserPassword).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.dmaapUserPassword()))
+            .trustStorePath(
+                Optional.ofNullable(trustStorePath).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.trustStorePath()))
+            .trustStorePasswordPath(
+                Optional.ofNullable(trustStorePasswordPath).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.trustStorePasswordPath()))
+            .keyStorePath(
+                Optional.ofNullable(keyStorePath).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.keyStorePath()))
+            .keyStorePasswordPath(
+                Optional.ofNullable(keyStorePasswordPath).filter(isEmpty.negate())
+                    .orElse(dmaapUpdatePublisherConfiguration.keyStorePasswordPath()))
+            .enableDmaapCertAuth(
+                Optional.ofNullable(enableDmaapCertAuth).filter(p -> !p.toString().isEmpty())
+                    .orElse(dmaapUpdatePublisherConfiguration.enableDmaapCertAuth()))
+            .build();
+    }
+
     private boolean noFileConfiguration(Object object) {
         return Objects.isNull(object);
     }
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfigParser.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfigParser.java
index 9d7b3396..2360c075 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfigParser.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfigParser.java
@@ -52,6 +52,25 @@ class CloudConfigParser {
             .dmaapContentType(jsonObject.get("dmaap.dmaapProducerConfiguration.dmaapContentType").getAsString())
             .dmaapHostName(jsonObject.get("dmaap.dmaapProducerConfiguration.dmaapHostName").getAsString())
             .dmaapUserName(jsonObject.get("dmaap.dmaapProducerConfiguration.dmaapUserName").getAsString())
+            .dmaapUserPassword(jsonObject.get("dmaap.dmaapProducerConfiguration.dmaapUserPassword").getAsString())
+            .trustStorePath(jsonObject.get(SECURITY_TRUST_STORE_PATH).getAsString())
+            .trustStorePasswordPath(jsonObject.get(SECURITY_TRUST_STORE_PASS_PATH).getAsString())
+            .keyStorePath(jsonObject.get(SECURITY_KEY_STORE_PATH).getAsString())
+            .keyStorePasswordPath(jsonObject.get(SECURITY_KEY_STORE_PASS_PATH).getAsString())
+            .enableDmaapCertAuth(jsonObject.get("security.enableDmaapCertAuth").getAsBoolean())
+            .build();
+    }
+
+    DmaapPublisherConfiguration getDmaapUpdatePublisherConfig() {
+        return new ImmutableDmaapPublisherConfiguration.Builder()
+             .dmaapTopicName(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapTopicName").getAsString())
+            .dmaapUserPassword(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapUserPassword").getAsString())
+            .dmaapPortNumber(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapPortNumber").getAsInt())
+            .dmaapProtocol(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapProtocol").getAsString())
+            .dmaapContentType(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapContentType").getAsString())
+            .dmaapHostName(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapHostName").getAsString())
+            .dmaapUserName(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapUserName").getAsString())
+            .dmaapUserPassword(jsonObject.get("dmaap.dmaapUpdateProducerConfiguration.dmaapUserPassword").getAsString())
             .trustStorePath(jsonObject.get(SECURITY_TRUST_STORE_PATH).getAsString())
             .trustStorePasswordPath(jsonObject.get(SECURITY_TRUST_STORE_PASS_PATH).getAsString())
             .keyStorePath(jsonObject.get(SECURITY_KEY_STORE_PATH).getAsString())
@@ -66,6 +85,7 @@ class CloudConfigParser {
             .aaiPort(jsonObject.get("aai.aaiClientConfiguration.aaiHostPortNumber").getAsInt())
             .aaiUserName(jsonObject.get("aai.aaiClientConfiguration.aaiUserName").getAsString())
             .aaiPnfPath(jsonObject.get("aai.aaiClientConfiguration.aaiPnfPath").getAsString())
+            .aaiServiceInstancePath(jsonObject.get("aai.aaiClientConfiguration.aaiServiceInstancePath").getAsString())
             .aaiIgnoreSslCertificateErrors(
                 jsonObject.get("aai.aaiClientConfiguration.aaiIgnoreSslCertificateErrors").getAsBoolean())
             .aaiUserPassword(jsonObject.get("aai.aaiClientConfiguration.aaiUserPassword").getAsString())
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfiguration.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfiguration.java
index d2849500..10ece50b 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfiguration.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CloudConfiguration.java
@@ -56,6 +56,7 @@ public class CloudConfiguration extends AppConfig {
 
     private AaiClientConfiguration aaiClientCloudConfiguration;
     private DmaapPublisherConfiguration dmaapPublisherCloudConfiguration;
+    private DmaapPublisherConfiguration dmaapUpdatePublisherCloudConfiguration;
     private DmaapConsumerConfiguration dmaapConsumerCloudConfiguration;
 
     @Value("#{systemEnvironment}")
@@ -90,6 +91,7 @@ public class CloudConfiguration extends AppConfig {
         LOGGER.info("Received application configuration: {}", jsonObject);
         CloudConfigParser cloudConfigParser = new CloudConfigParser(jsonObject);
         dmaapPublisherCloudConfiguration = cloudConfigParser.getDmaapPublisherConfig();
+        dmaapUpdatePublisherCloudConfiguration = cloudConfigParser.getDmaapUpdatePublisherConfig();
         aaiClientCloudConfiguration = ImmutableAaiClientConfiguration.copyOf(cloudConfigParser.getAaiClientConfig())
             .withAaiHeaders(aaiClientConfiguration.aaiHeaders());
         dmaapConsumerCloudConfiguration = cloudConfigParser.getDmaapConsumerConfig();
@@ -101,6 +103,11 @@ public class CloudConfiguration extends AppConfig {
     }
 
     @Override
+    public DmaapPublisherConfiguration getDmaapUpdatePublisherConfiguration() {
+        return Optional.ofNullable(dmaapUpdatePublisherCloudConfiguration).orElse(super.getDmaapPublisherConfiguration());
+    }
+
+    @Override
     public AaiClientConfiguration getAaiClientConfiguration() {
         return Optional.ofNullable(aaiClientCloudConfiguration).orElse(super.getAaiClientConfiguration());
     }
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/Config.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/Config.java
index d26fbd81..88f20205 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/Config.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/Config.java
@@ -38,5 +38,7 @@ public interface Config {
 
     DmaapPublisherConfiguration getDmaapPublisherConfiguration();
 
+    DmaapPublisherConfiguration getDmaapUpdatePublisherConfiguration();
+
     void initFileStreamReader();
 }
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/DmaapPublisherTaskConfig.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/DmaapPublisherTaskConfig.java
new file mode 100644
index 00000000..7355cf48
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/DmaapPublisherTaskConfig.java
@@ -0,0 +1,42 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018-2019 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.prh.configuration;
+
+import org.onap.dcaegen2.services.prh.tasks.DmaapPublisherTask;
+import org.onap.dcaegen2.services.prh.tasks.DmaapPublisherTaskImpl;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class DmaapPublisherTaskConfig {
+    @Bean(name = "ReadyPublisherTask")
+    @Autowired
+    public DmaapPublisherTask getReadyPublisherTask(final Config config) {
+        return new DmaapPublisherTaskImpl(config::getDmaapPublisherConfiguration);
+    }
+
+    @Bean(name = "UpdatePublisherTask")
+    @Autowired
+    public DmaapPublisherTask getUpdatePublisherTask(final Config config) {
+        return new DmaapPublisherTaskImpl(config::getDmaapUpdatePublisherConfiguration);
+    }
+}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/PrhAppConfig.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/PrhAppConfig.java
index 85f7e983..108a3551 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/PrhAppConfig.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/PrhAppConfig.java
@@ -37,6 +37,8 @@ import org.springframework.util.StreamUtils;
 import javax.annotation.PostConstruct;
 import javax.validation.constraints.NotNull;
 import java.io.*;
+import java.net.URI;
+import java.net.URL;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.ServiceLoader;
@@ -55,6 +57,7 @@ public abstract class PrhAppConfig implements Config {
     private static final String DMAAP = "dmaap";
     private static final String AAI_CONFIG = "aaiClientConfiguration";
     private static final String DMAAP_PRODUCER = "dmaapProducerConfiguration";
+    private static final String DMAAP_UPDATE_PRODUCER = "dmaapUpdateProducerConfiguration";
     private static final String DMAAP_CONSUMER = "dmaapConsumerConfiguration";
     private static final String SECURITY = "security";
 
@@ -64,6 +67,8 @@ public abstract class PrhAppConfig implements Config {
 
     DmaapPublisherConfiguration dmaapPublisherConfiguration;
 
+    DmaapPublisherConfiguration dmaapUpdatePublisherConfiguration;
+
     @Value("classpath:prh_endpoints.json")
     private Resource prhEndpoints;
 
@@ -96,6 +101,11 @@ public abstract class PrhAppConfig implements Config {
     }
 
     @Override
+    public DmaapPublisherConfiguration getDmaapUpdatePublisherConfiguration() {
+        return dmaapUpdatePublisherConfiguration;
+    }
+
+    @Override
     public void initFileStreamReader() {
         GsonBuilder gsonBuilder = new GsonBuilder();
         ServiceLoader.load(TypeAdapterFactory.class).forEach(gsonBuilder::registerTypeAdapterFactory);
@@ -106,17 +116,23 @@ public abstract class PrhAppConfig implements Config {
             if (rootElement.isJsonObject()) {
                 deserializeAaiConfiguration(gsonBuilder, rootElement);
                 deserializeDmaapConsumerConfiguration(gsonBuilder, rootElement);
-                deserializeDmaapPublisherConfiguration(gsonBuilder, rootElement);
+                dmaapPublisherConfiguration =
+                        deserializeDmaapPublisherConfiguration(DMAAP_PRODUCER, gsonBuilder, rootElement);
+                dmaapUpdatePublisherConfiguration =
+                        deserializeDmaapPublisherConfiguration(DMAAP_UPDATE_PRODUCER, gsonBuilder, rootElement);
             }
         } catch (IOException e) {
             LOGGER.warn("Failed to load/parse file", e);
         }
     }
 
-    private void deserializeDmaapPublisherConfiguration(GsonBuilder gsonBuilder, JsonElement rootElement) {
-        dmaapPublisherConfiguration = deserializeType(gsonBuilder, concatenateJsonObjects(
+    private DmaapPublisherConfiguration deserializeDmaapPublisherConfiguration(
+            final String dmaapProducerType,
+            final GsonBuilder gsonBuilder,
+            final JsonElement rootElement) {
+         return deserializeType(gsonBuilder, concatenateJsonObjects(
                 rootElement.getAsJsonObject().getAsJsonObject(CONFIG).getAsJsonObject(DMAAP)
-                        .getAsJsonObject(DMAAP_PRODUCER),
+                        .getAsJsonObject(dmaapProducerType),
                 rootElement.getAsJsonObject().getAsJsonObject(CONFIG).getAsJsonObject(SECURITY)),
                 DmaapPublisherConfiguration.class);
     }
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTask.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTask.java
index 705b085b..f49723e2 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTask.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTask.java
@@ -20,20 +20,13 @@
 
 package org.onap.dcaegen2.services.prh.tasks;
 
-import javax.net.ssl.SSLException;
 import org.onap.dcaegen2.services.prh.exceptions.AaiNotFoundException;
 import org.onap.dcaegen2.services.prh.exceptions.PrhTaskException;
 import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
-import org.onap.dcaegen2.services.sdk.rest.services.aai.client.config.AaiClientConfiguration;
-
-
-import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.AaiHttpClientFactory;
-import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.patch.AaiHttpPatchClient;
-import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.CloudHttpClient;
-import org.onap.dcaegen2.services.sdk.rest.services.ssl.SslFactory;
-import org.springframework.web.reactive.function.client.WebClient;
 import reactor.core.publisher.Mono;
 
+import javax.net.ssl.SSLException;
+
 
 /**
  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 4/13/18
@@ -42,14 +35,6 @@ public abstract class AaiProducerTask {
 
     abstract Mono<ConsumerDmaapModel> publish(ConsumerDmaapModel message) throws AaiNotFoundException;
 
-    abstract AaiHttpPatchClient resolveClient();
-
-    protected abstract AaiClientConfiguration resolveConfiguration();
-
     protected abstract Mono<ConsumerDmaapModel> execute(ConsumerDmaapModel consumerDmaapModel)
-        throws PrhTaskException, SSLException;
-
-    CloudHttpClient buildHttpClient() {
-        return new AaiHttpClientFactory(resolveConfiguration()).build();
-    }
+            throws PrhTaskException, SSLException;
 }
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTaskImpl.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTaskImpl.java
index d3bee5ee..8a6fbf04 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTaskImpl.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiProducerTaskImpl.java
@@ -29,7 +29,11 @@ import org.onap.dcaegen2.services.prh.model.AaiJsonBodyBuilderImpl;
 import org.onap.dcaegen2.services.prh.model.utils.HttpUtils;
 import org.onap.dcaegen2.services.sdk.rest.services.aai.client.config.AaiClientConfiguration;
 import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.AaiHttpClientFactory;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.AaiHttpClient;
 import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.patch.AaiHttpPatchClient;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.CloudHttpClient;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse;
+import org.onap.dcaegen2.services.sdk.rest.services.model.AaiModel;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -46,43 +50,30 @@ public class AaiProducerTaskImpl extends AaiProducerTask {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(AaiProducerTaskImpl.class);
 
-    private final Config config;
-    private AaiHttpPatchClient aaiHttpPatchClient;
+    private final AaiHttpClient<AaiModel, HttpResponse> aaiHttpPatchClient;
 
     @Autowired
-    public AaiProducerTaskImpl(Config config) {
-        this.config = config;
+    public AaiProducerTaskImpl(final AaiHttpClient<AaiModel, HttpResponse> aaiHttpPatchClient) {
+        this.aaiHttpPatchClient = aaiHttpPatchClient;
     }
 
     @Override
     Mono<ConsumerDmaapModel> publish(ConsumerDmaapModel consumerDmaapModel) {
-        Mono<HttpClientResponse> resposne =  aaiHttpPatchClient.getAaiResponse(consumerDmaapModel);
+        Mono<HttpResponse> resposne = aaiHttpPatchClient.getAaiResponse(consumerDmaapModel);
         return resposne.flatMap(response -> {
-            if (HttpUtils.isSuccessfulResponseCode(response.status().code())) {
+            if (HttpUtils.isSuccessfulResponseCode(response.statusCode())) {
                 return Mono.just(consumerDmaapModel);
             }
             return Mono
-                    .error(new AaiNotFoundException("Incorrect response code for continuation of tasks workflow" + response.status().code()));
+                    .error(new AaiNotFoundException("Incorrect response code for continuation of tasks workflow" + response.statusCode()));
         });
     }
 
     @Override
-    AaiHttpPatchClient resolveClient() {
-        return new AaiHttpPatchClient(resolveConfiguration(),
-                new AaiJsonBodyBuilderImpl(), new AaiHttpClientFactory(resolveConfiguration()).build());
-    }
-
-    @Override
-    protected AaiClientConfiguration resolveConfiguration() {
-        return config.getAaiClientConfiguration();
-    }
-
-    @Override
     protected Mono<ConsumerDmaapModel> execute(ConsumerDmaapModel consumerDmaapModel) throws PrhTaskException {
         if (consumerDmaapModel == null) {
             throw new DmaapNotFoundException("Invoked null object to DMaaP task");
         }
-        aaiHttpPatchClient = resolveClient();
         LOGGER.debug("Method called with arg {}", consumerDmaapModel);
         return publish(consumerDmaapModel);
     }
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiQueryTask.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiQueryTask.java
new file mode 100644
index 00000000..dec783ff
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiQueryTask.java
@@ -0,0 +1,28 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.prh.tasks;
+
+import org.onap.dcaegen2.services.sdk.rest.services.model.AaiModel;
+import reactor.core.publisher.Mono;
+
+public interface AaiQueryTask {
+    Mono<Boolean> execute(final AaiModel aaiModel);
+}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiQueryTaskImpl.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiQueryTaskImpl.java
new file mode 100644
index 00000000..b30d199f
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/AaiQueryTaskImpl.java
@@ -0,0 +1,107 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.prh.tasks;
+
+import org.onap.dcaegen2.services.prh.model.*;
+import org.onap.dcaegen2.services.sdk.rest.services.aai.client.service.http.AaiHttpClient;
+import org.onap.dcaegen2.services.sdk.rest.services.model.AaiModel;
+import org.onap.dcaegen2.services.sdk.rest.services.model.AaiServiceInstanceQueryModel;
+import org.onap.dcaegen2.services.sdk.rest.services.model.ImmutableAaiServiceInstanceQueryModel;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import reactor.core.publisher.Mono;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Stream;
+
+@Component
+public class AaiQueryTaskImpl implements AaiQueryTask {
+    public final static String ACTIVE_STATUS = "Active";
+    public final static String RELATED_TO = "service-instance";
+    public final static String CUSTOMER = "customer.global-customer-id";
+    public final static String SERVICE_TYPE = "service-subscription.service-type";
+    public final static String SERVICE_INSTANCE_ID = "service-instance.service-instance-id";
+
+    private final AaiHttpClient<AaiModel, AaiPnfResultModel> getPnfModelClient;
+    private final AaiHttpClient<AaiServiceInstanceQueryModel, AaiServiceInstanceResultModel> getServiceClient;
+
+    @Autowired
+    public AaiQueryTaskImpl(
+            final AaiHttpClient<AaiModel, AaiPnfResultModel> getPnfModelClient,
+            final AaiHttpClient<AaiServiceInstanceQueryModel, AaiServiceInstanceResultModel> getServiceClient) {
+        this.getPnfModelClient = getPnfModelClient;
+        this.getServiceClient = getServiceClient;
+    }
+
+    @Override
+    public Mono<Boolean> execute(AaiModel aaiModel) {
+        return getPnfModelClient
+                .getAaiResponse(aaiModel)
+                .flatMap(this::checkIfPnfHasRelationToService)
+                .flatMap(getServiceClient::getAaiResponse)
+                .map(this::checkIfRelatedServiceInstanceIsActive)
+                .defaultIfEmpty(false);
+    }
+
+    private Mono<AaiServiceInstanceQueryModel> checkIfPnfHasRelationToService(final AaiPnfResultModel model) {
+        return Mono
+                .justOrEmpty(model.getRelationshipList())
+                .map(this::findRelatedTo)
+                .flatMap(Mono::justOrEmpty)
+                .map(RelationshipDict::getRelationshipData)
+                .flatMap(x -> {
+                    final Optional<String> customer = findValue(x, CUSTOMER);
+                    final Optional<String> serviceType = findValue(x, SERVICE_TYPE);
+                    final Optional<String> serviceInstanceId= findValue(x, SERVICE_INSTANCE_ID);
+
+                    return customer.isPresent() && serviceType.isPresent() && serviceInstanceId.isPresent()
+                            ? Mono.just(ImmutableAaiServiceInstanceQueryModel
+                            .builder()
+                            .customerId(customer.get())
+                            .serviceType(serviceType.get())
+                            .serviceInstanceId(serviceInstanceId.get())
+                            .build())
+                            : Mono.empty();
+                });
+    }
+
+    private Boolean checkIfRelatedServiceInstanceIsActive(final AaiServiceInstanceResultModel model) {
+        return ACTIVE_STATUS.equalsIgnoreCase(model.getOrchestrationStatus());
+    }
+
+    private Optional<RelationshipDict> findRelatedTo(final Relationship data) {
+        return Optional.ofNullable(data.getRelationship())
+                .map(Stream::of)
+                .orElseGet(Stream::empty)
+                .flatMap(List::stream)
+                .filter(x -> RELATED_TO.equals(x.getRelatedTo()))
+                .findFirst();
+    }
+
+    private Optional<String> findValue(final List<RelationshipData> data, final String key) {
+        return data
+                .stream()
+                .filter(y -> key.equals(y.getRelationshipKey()))
+                .findFirst()
+                .map(RelationshipData::getRelationshipValue);
+    }
+}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/BbsActionsTask.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/BbsActionsTask.java
index 7485de8a..d0b8187c 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/BbsActionsTask.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/BbsActionsTask.java
@@ -20,134 +20,9 @@
 
 package org.onap.dcaegen2.services.prh.tasks;
 
-import static org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpMethod.PUT;
-
-import com.google.gson.JsonObject;
-import io.netty.buffer.ByteBuf;
-import io.vavr.collection.HashMap;
-import io.vavr.collection.Map;
-import java.util.Arrays;
-import java.util.List;
-import java.util.function.Function;
-import org.onap.dcaegen2.services.prh.configuration.Config;
-import org.onap.dcaegen2.services.prh.exceptions.AaiFailureException;
 import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
-import org.onap.dcaegen2.services.prh.model.bbs.ImmutableLogicalLink;
-import org.onap.dcaegen2.services.prh.model.bbs.ImmutableRelationship;
-import org.onap.dcaegen2.services.prh.model.bbs.ImmutableRelationshipWrapper;
-import org.onap.dcaegen2.services.prh.model.bbs.RelationshipWrapper;
-import org.onap.dcaegen2.services.prh.model.utils.GsonSerializer;
-import org.onap.dcaegen2.services.prh.model.utils.HttpUtils;
-import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse;
-import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.ImmutableHttpRequest;
-import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RequestBody;
-import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
-import org.onap.dcaegen2.services.sdk.rest.services.uri.URI.URIBuilder;
-import org.onap.dcaegen2.services.sdk.security.ssl.SslFactory;
-import org.reactivestreams.Publisher;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
 import reactor.core.publisher.Mono;
 
-@Component
-public class BbsActionsTask {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(BbsActionsTask.class);
-    private static final String ATTACHMENT_POINT = "attachmentPoint";
-    private static final String LOGICAL_LINK_URI = "/network/logical-links/logical-link/";
-    private static final String PNF_URI = "/network/pnfs/pnf/";
-
-    private final RxHttpClient httpClient;
-    private final Config config;
-
-    @Autowired
-    BbsActionsTask(Config config) {
-        this(config, RxHttpClient.create(new SslFactory().createInsecureClientContext()));
-    }
-
-    BbsActionsTask(Config config, RxHttpClient httpClient) {
-        this.config = config;
-        this.httpClient = httpClient;
-    }
-
-    public Mono<ConsumerDmaapModel> execute(ConsumerDmaapModel consumerDmaapModel) {
-        config.initFileStreamReader();
-
-        JsonObject additionalFields = consumerDmaapModel.getAdditionalFields();
-        if (additionalFields == null || !additionalFields.has(ATTACHMENT_POINT)) {
-            return Mono.just(consumerDmaapModel);
-        }
-        String linkName = additionalFields.get(ATTACHMENT_POINT).getAsString();
-        if (linkName.isEmpty()) {
-            LOGGER.warn("Attachment point is empty! Ignore related actions.");
-            return Mono.just(consumerDmaapModel);
-        }
-        String pnfName = consumerDmaapModel.getCorrelationId();
-        return createLogicalLinkInAai(linkName, pnfName).flatMap(handleResponse(consumerDmaapModel));
-    }
-
-    private Function<HttpResponse, Mono<ConsumerDmaapModel>> handleResponse(ConsumerDmaapModel consumerDmaapModel) {
-        return response -> HttpUtils.isSuccessfulResponseCode(response.statusCode())
-            ? Mono.just(consumerDmaapModel)
-            : Mono.error(new AaiFailureException(
-                "Incorrect response when performing BBS-related actions: " + response.statusCode()));
-    }
-
-    private Mono<HttpResponse> createLogicalLinkInAai(String linkName, String pnfName) {
-        ImmutableHttpRequest request = buildLogicalLinkRequest(linkName, pnfName);
-
-        return httpClient.call(request);
-    }
-
-    private ImmutableHttpRequest buildLogicalLinkRequest(String linkName, String pnfName) {
-        String uri = buildLogicalLinkUri(linkName);
-        ImmutableLogicalLink logicalLink = buildModel(linkName, pnfName);
-        Publisher<ByteBuf> jsonPayload = RequestBody.fromString(GsonSerializer.createJsonBody(logicalLink));
-
-        // FIXME: AAI headers for PUT are different than PATCH (taken from prh_endpoints.json)
-        Map<String, String> aaiHeaders = HashMap
-            .ofAll(config.getAaiClientConfiguration().aaiHeaders())
-            .replaceValue("Content-Type", "application/json");
-
-        return ImmutableHttpRequest
-            .builder()
-            .method(PUT)
-            .url(uri)
-            .body(jsonPayload)
-            .customHeaders(aaiHeaders)
-            .build();
-    }
-
-    private ImmutableLogicalLink buildModel(String linkName, String pnfName) {
-        List<RelationshipWrapper> relationships = buildRelationLink(pnfName);
-
-        return ImmutableLogicalLink
-            .builder()
-            .linkName(linkName)
-            .linkType(ATTACHMENT_POINT)
-            .relationshipList(relationships)
-            .build();
-    }
-
-    private List<RelationshipWrapper> buildRelationLink(String pnfName) {
-        return Arrays.asList(ImmutableRelationshipWrapper
-            .builder()
-            .relationship(ImmutableRelationship
-                .builder()
-                .relatedLink(PNF_URI + pnfName)
-                .build())
-            .build());
-    }
-
-    private String buildLogicalLinkUri(String linkName) {
-        return new URIBuilder()
-            .scheme(config.getAaiClientConfiguration().aaiProtocol())
-            .host(config.getAaiClientConfiguration().aaiHost())
-            .port(config.getAaiClientConfiguration().aaiPort())
-            .path(config.getAaiClientConfiguration().aaiBasePath() + LOGICAL_LINK_URI + linkName)
-            .build()
-            .toString();
-    }
-}
\ No newline at end of file
+public interface BbsActionsTask {
+    Mono<ConsumerDmaapModel> execute(ConsumerDmaapModel consumerDmaapModel);
+}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/BbsActionsTaskImpl.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/BbsActionsTaskImpl.java
new file mode 100644
index 00000000..9648efdf
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/BbsActionsTaskImpl.java
@@ -0,0 +1,154 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2019 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.prh.tasks;
+
+import com.google.gson.JsonObject;
+import io.netty.buffer.ByteBuf;
+import io.vavr.collection.HashMap;
+import io.vavr.collection.Map;
+import org.onap.dcaegen2.services.prh.configuration.Config;
+import org.onap.dcaegen2.services.prh.exceptions.AaiFailureException;
+import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
+import org.onap.dcaegen2.services.prh.model.bbs.ImmutableLogicalLink;
+import org.onap.dcaegen2.services.prh.model.bbs.ImmutableRelationship;
+import org.onap.dcaegen2.services.prh.model.bbs.ImmutableRelationshipWrapper;
+import org.onap.dcaegen2.services.prh.model.bbs.RelationshipWrapper;
+import org.onap.dcaegen2.services.prh.model.utils.GsonSerializer;
+import org.onap.dcaegen2.services.prh.model.utils.HttpUtils;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.ImmutableHttpRequest;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RequestBody;
+import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
+import org.onap.dcaegen2.services.sdk.rest.services.uri.URI.URIBuilder;
+import org.onap.dcaegen2.services.sdk.security.ssl.SslFactory;
+import org.reactivestreams.Publisher;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import reactor.core.publisher.Mono;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.function.Function;
+
+import static org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpMethod.PUT;
+
+@Component
+public class BbsActionsTaskImpl implements BbsActionsTask {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(BbsActionsTaskImpl.class);
+    private static final String ATTACHMENT_POINT = "attachmentPoint";
+    private static final String LOGICAL_LINK_URI = "/network/logical-links/logical-link/";
+    private static final String PNF_URI = "/network/pnfs/pnf/";
+
+    private final Config config;
+    private final RxHttpClient httpClient;
+
+    @Autowired
+    BbsActionsTaskImpl(Config config) {
+        this(config, RxHttpClient.create(new SslFactory().createInsecureClientContext()));
+    }
+
+    BbsActionsTaskImpl(Config config, RxHttpClient httpClient) {
+        this.config = config;
+        this.httpClient = httpClient;
+    }
+
+    public Mono<ConsumerDmaapModel> execute(ConsumerDmaapModel consumerDmaapModel) {
+        config.initFileStreamReader();
+
+        JsonObject additionalFields = consumerDmaapModel.getAdditionalFields();
+        if (additionalFields == null || !additionalFields.has(ATTACHMENT_POINT)) {
+            return Mono.just(consumerDmaapModel);
+        }
+        String linkName = additionalFields.get(ATTACHMENT_POINT).getAsString();
+        if (linkName.isEmpty()) {
+            LOGGER.warn("Attachment point is empty! Ignore related actions.");
+            return Mono.just(consumerDmaapModel);
+        }
+        String pnfName = consumerDmaapModel.getCorrelationId();
+        return createLogicalLinkInAai(linkName, pnfName).flatMap(handleResponse(consumerDmaapModel));
+    }
+
+    private Function<HttpResponse, Mono<ConsumerDmaapModel>> handleResponse(ConsumerDmaapModel consumerDmaapModel) {
+        return response -> HttpUtils.isSuccessfulResponseCode(response.statusCode())
+            ? Mono.just(consumerDmaapModel)
+            : Mono.error(new AaiFailureException(
+                "Incorrect response when performing BBS-related actions: " + response.statusCode()));
+    }
+
+    private Mono<HttpResponse> createLogicalLinkInAai(String linkName, String pnfName) {
+        ImmutableHttpRequest request = buildLogicalLinkRequest(linkName, pnfName);
+
+        return httpClient.call(request);
+    }
+
+    private ImmutableHttpRequest buildLogicalLinkRequest(String linkName, String pnfName) {
+        String uri = buildLogicalLinkUri(linkName);
+        ImmutableLogicalLink logicalLink = buildModel(linkName, pnfName);
+        Publisher<ByteBuf> jsonPayload = RequestBody.fromString(GsonSerializer.createJsonBody(logicalLink));
+
+        // FIXME: AAI headers for PUT are different than PATCH (taken from prh_endpoints.json)
+        Map<String, String> aaiHeaders = HashMap
+                .ofAll(config.getAaiClientConfiguration().aaiHeaders())
+                .put("Content-Type", "application/json");
+
+        return ImmutableHttpRequest
+            .builder()
+            .method(PUT)
+            .url(uri)
+            .body(jsonPayload)
+            .customHeaders(aaiHeaders)
+            .build();
+    }
+
+    private ImmutableLogicalLink buildModel(String linkName, String pnfName) {
+        List<RelationshipWrapper> relationships = buildRelationLink(pnfName);
+
+        return ImmutableLogicalLink
+            .builder()
+            .linkName(linkName)
+            .linkType(ATTACHMENT_POINT)
+            .relationshipList(relationships)
+            .build();
+    }
+
+    private List<RelationshipWrapper> buildRelationLink(String pnfName) {
+        return Arrays.asList(ImmutableRelationshipWrapper
+            .builder()
+            .relationship(ImmutableRelationship
+                .builder()
+                .relatedLink(PNF_URI + pnfName)
+                .build())
+            .build());
+    }
+
+    private String buildLogicalLinkUri(String linkName) {
+        return new URIBuilder()
+            .scheme(config.getAaiClientConfiguration().aaiProtocol())
+            .host(config.getAaiClientConfiguration().aaiHost())
+            .port(config.getAaiClientConfiguration().aaiPort())
+            .path(config.getAaiClientConfiguration().aaiBasePath() + LOGICAL_LINK_URI + linkName)
+            .build()
+            .toString();
+    }
+}
\ No newline at end of file
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTask.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTask.java
index e2a91f78..7fc596c1 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTask.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTask.java
@@ -24,14 +24,12 @@ import javax.net.ssl.SSLException;
 import org.onap.dcaegen2.services.prh.exceptions.PrhTaskException;
 import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.DMaaPPublisherReactiveHttpClient;
-import reactor.netty.http.client.HttpClientResponse;
 import reactor.core.publisher.Mono;
-import org.apache.http.HttpResponse;
 
 /**
  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 3/23/18
  */
-interface DmaapPublisherTask {
+public interface DmaapPublisherTask {
 
     /**
      *
@@ -39,9 +37,10 @@ interface DmaapPublisherTask {
      * As WA plesae use Mono<HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel);
      * */
     @Deprecated
-    Mono<HttpClientResponse> execute(ConsumerDmaapModel consumerDmaapModel) throws PrhTaskException, SSLException;
+    Mono<org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse>
+        execute(ConsumerDmaapModel consumerDmaapModel) throws PrhTaskException, SSLException;
 
-    Mono<HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel);
+    Mono<org.apache.http.HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel);
 
     DMaaPPublisherReactiveHttpClient resolveClient() throws SSLException;;
 }
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTaskImpl.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTaskImpl.java
index 1a9abf0f..55a8bb58 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTaskImpl.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/DmaapPublisherTaskImpl.java
@@ -20,52 +20,52 @@
 
 package org.onap.dcaegen2.services.prh.tasks;
 
-import java.util.Optional;
-import javax.net.ssl.SSLException;
 import org.apache.http.HttpResponse;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.DefaultHttpClient;
-import org.onap.dcaegen2.services.prh.configuration.Config;
 import org.onap.dcaegen2.services.prh.exceptions.DmaapNotFoundException;
 import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
 import org.onap.dcaegen2.services.prh.model.PnfReadyJsonBodyBuilderImpl;
+import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapPublisherConfiguration;
 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.DMaaPPublisherReactiveHttpClient;
 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.DmaaPRestTemplateFactory;
 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.PublisherReactiveHttpClientFactory;
-import org.onap.dcaegen2.services.sdk.rest.services.uri.URI.URIBuilder;
+import org.onap.dcaegen2.services.sdk.rest.services.uri.URI;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
 import reactor.core.publisher.Mono;
-import reactor.netty.http.client.HttpClientResponse;
+
+import javax.net.ssl.SSLException;
+import java.util.Optional;
+import java.util.function.Supplier;
 
 /**
  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 4/13/18
  */
-@Component
 public class DmaapPublisherTaskImpl implements DmaapPublisherTask {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(DmaapPublisherTaskImpl.class);
+    private final Supplier<DmaapPublisherConfiguration> config;
     private final PnfReadyJsonBodyBuilderImpl pnfReadyJsonBodyBuilder = new PnfReadyJsonBodyBuilderImpl();
-    private Config config;
     private final PublisherReactiveHttpClientFactory httpClientFactory;
 
-    @Autowired
-    public DmaapPublisherTaskImpl(Config config) {
-        this(config,
-            new PublisherReactiveHttpClientFactory(new DmaaPRestTemplateFactory(), new PnfReadyJsonBodyBuilderImpl()));
+    public DmaapPublisherTaskImpl(final Supplier<DmaapPublisherConfiguration> config) {
+        this(config, new PublisherReactiveHttpClientFactory(
+                new DmaaPRestTemplateFactory(),
+                new PnfReadyJsonBodyBuilderImpl()));
     }
 
-    DmaapPublisherTaskImpl(Config config, PublisherReactiveHttpClientFactory httpClientFactory) {
+    DmaapPublisherTaskImpl(
+            Supplier<DmaapPublisherConfiguration> config,
+            PublisherReactiveHttpClientFactory httpClientFactory) {
         this.config = config;
         this.httpClientFactory = httpClientFactory;
     }
 
     @Override
-    public Mono<HttpClientResponse> execute(ConsumerDmaapModel consumerDmaapModel)
-        throws DmaapNotFoundException, SSLException {
+    public Mono<org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse>
+        execute(ConsumerDmaapModel consumerDmaapModel) throws DmaapNotFoundException, SSLException {
         if (consumerDmaapModel == null) {
             throw new DmaapNotFoundException("Invoked null object to DMaaP task");
         }
@@ -74,10 +74,9 @@ public class DmaapPublisherTaskImpl implements DmaapPublisherTask {
         return dmaapPublisherReactiveHttpClient.getDMaaPProducerResponse(consumerDmaapModel, Optional.empty());
     }
 
-
     @Override
     public DMaaPPublisherReactiveHttpClient resolveClient() throws SSLException {
-        return httpClientFactory.create(config.getDmaapPublisherConfiguration());
+        return httpClientFactory.create(config.get());
 
     }
 
@@ -87,13 +86,13 @@ public class DmaapPublisherTaskImpl implements DmaapPublisherTask {
      * As WA plesae use Mono<HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel);
      * */
     @Override
-    public Mono<HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel) {
+    public Mono<org.apache.http.HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel) {
         String json = pnfReadyJsonBodyBuilder.createJsonBody(consumerDmaapModel);
         DefaultHttpClient httpClient = new DefaultHttpClient();
         HttpPost postRequest = new HttpPost(getUrl());
         try {
             StringEntity input = new StringEntity(json);
-            input.setContentType(config.getDmaapPublisherConfiguration().dmaapContentType());
+            input.setContentType(config.get().dmaapContentType());
             postRequest.setEntity(input);
             HttpResponse response = httpClient.execute(postRequest);
             return Mono.just(response);
@@ -104,15 +103,13 @@ public class DmaapPublisherTaskImpl implements DmaapPublisherTask {
     }
 
     private String getUrl() {
-        return (new URIBuilder()).scheme(config.getDmaapPublisherConfiguration().dmaapProtocol())
-            .host(config.getDmaapPublisherConfiguration().dmaapHostName())
-            .port(config.getDmaapPublisherConfiguration().dmaapPortNumber()).path(this.createRequestPath()).build()
+        return (new URI.URIBuilder()).scheme(config.get().dmaapProtocol())
+            .host(config.get().dmaapHostName())
+            .port(config.get().dmaapPortNumber()).path(this.createRequestPath()).build()
             .toString();
     }
 
     private String createRequestPath() {
-        return "/" + config.getDmaapPublisherConfiguration().dmaapTopicName();
+        return "/" + config.get().dmaapTopicName();
     }
-
-
 }
\ No newline at end of file
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/ScheduledTasks.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/ScheduledTasks.java
index a7bf42d1..aae5bc77 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/ScheduledTasks.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/ScheduledTasks.java
@@ -20,30 +20,27 @@
 
 package org.onap.dcaegen2.services.prh.tasks;
 
-import static org.onap.dcaegen2.services.prh.model.logging.MdcVariables.INSTANCE_UUID;
-import static org.onap.dcaegen2.services.prh.model.logging.MdcVariables.RESPONSE_CODE;
-
-import java.util.Map;
-import java.util.UUID;
-import java.util.concurrent.CountDownLatch;
-import java.util.function.Predicate;
-import javax.net.ssl.SSLException;
-
+import org.apache.http.HttpResponse;
 import org.onap.dcaegen2.services.prh.exceptions.DmaapEmptyResponseException;
 import org.onap.dcaegen2.services.prh.exceptions.PrhTaskException;
 import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
 import org.onap.dcaegen2.services.prh.model.logging.MdcVariables;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.slf4j.MDC;
-import org.slf4j.Marker;
-import org.slf4j.MarkerFactory;
+import org.slf4j.*;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.stereotype.Component;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.netty.http.client.HttpClientResponse;
-import org.apache.http.HttpResponse;
+
+import javax.net.ssl.SSLException;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.CountDownLatch;
+import java.util.function.Predicate;
+
+import static org.onap.dcaegen2.services.prh.model.logging.MdcVariables.INSTANCE_UUID;
+import static org.onap.dcaegen2.services.prh.model.logging.MdcVariables.RESPONSE_CODE;
 
 /**
  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 3/23/18
@@ -54,7 +51,9 @@ public class ScheduledTasks {
     private static final Logger logger = LoggerFactory.getLogger(ScheduledTasks.class);
     private static final Marker INVOKE = MarkerFactory.getMarker("INVOKE");
     private final DmaapConsumerTask dmaapConsumerTask;
-    private final DmaapPublisherTask dmaapProducerTask;
+    private final DmaapPublisherTask dmaapReadyProducerTask;
+    private final DmaapPublisherTask dmaapUpdateProducerTask;
+    private final AaiQueryTask aaiQueryTask;
     private final AaiProducerTask aaiProducerTask;
     private final BbsActionsTask bbsActionsTask;
     private Map<String, String> mdcContextMap;
@@ -62,24 +61,39 @@ public class ScheduledTasks {
     /**
      * Constructor for tasks registration in PRHWorkflow.
      *
-     * @param dmaapConsumerTask - fist task
-     * @param dmaapPublisherTask - third task
-     * @param aaiPublisherTask - second task
+     * @param dmaapConsumerTask        - fist task
+     * @param dmaapReadyPublisherTask  - third task
+     * @param dmaapUpdatePublisherTask - fourth task
+     * @param aaiPublisherTask         - second task
      */
     @Autowired
     public ScheduledTasks(
-        DmaapConsumerTask dmaapConsumerTask,
-        DmaapPublisherTask dmaapPublisherTask,
-        AaiProducerTask aaiPublisherTask,
-        BbsActionsTask bbsActionsTask,
-        Map<String, String> mdcContextMap) {
+            final DmaapConsumerTask dmaapConsumerTask,
+            @Qualifier("ReadyPublisherTask") final DmaapPublisherTask dmaapReadyPublisherTask,
+            @Qualifier("UpdatePublisherTask") final DmaapPublisherTask dmaapUpdatePublisherTask,
+            final AaiQueryTask aaiQueryTask,
+            final AaiProducerTask aaiPublisherTask,
+            final BbsActionsTask bbsActionsTask,
+            final Map<String, String> mdcContextMap) {
         this.dmaapConsumerTask = dmaapConsumerTask;
-        this.dmaapProducerTask = dmaapPublisherTask;
+        this.dmaapReadyProducerTask = dmaapReadyPublisherTask;
+        this.dmaapUpdateProducerTask = dmaapUpdatePublisherTask;
+        this.aaiQueryTask = aaiQueryTask;
         this.aaiProducerTask = aaiPublisherTask;
         this.bbsActionsTask = bbsActionsTask;
         this.mdcContextMap = mdcContextMap;
     }
 
+    static class State {
+        public final ConsumerDmaapModel DmaapModel;
+        public final Boolean ActivationStatus;
+
+        public State(final ConsumerDmaapModel DmaapModel, final Boolean ActivationStatus) {
+            this.DmaapModel = DmaapModel;
+            this.ActivationStatus = ActivationStatus;
+        }
+    }
+
     /**
      * Main function for scheduling prhWorkflow.
      */
@@ -89,22 +103,23 @@ public class ScheduledTasks {
             logger.trace("Execution of tasks was registered");
             CountDownLatch mainCountDownLatch = new CountDownLatch(1);
             consumeFromDMaaPMessage()
-                .doOnError(DmaapEmptyResponseException.class, error ->
-                    logger.warn("Nothing to consume from DMaaP")
-                )
-                .flatMap(this::publishToAaiConfiguration)
-                .doOnError(exception ->
-                    logger.warn("AAIProducerTask exception has been registered: ", exception))
-                .onErrorResume(resumePrhPredicate(), exception -> Mono.empty())
-                .flatMap(this::processAdditionalFields)
-                .doOnError(exception ->
-                    logger.warn("BBSActionsTask exception has been registered: ", exception))
-                .flatMap(this::publishToDmaapConfigurationWithApache)
-                .doOnError(exception ->
-                    logger.warn("DMaaPProducerTask exception has been registered: ", exception))
-                .onErrorResume(resumePrhPredicate(), exception -> Mono.empty())
-                .doOnTerminate(mainCountDownLatch::countDown)
-                .subscribe(this::onSuccess, this::onError, this::onComplete);
+                    .doOnError(DmaapEmptyResponseException.class, error ->
+                            logger.warn("Nothing to consume from DMaaP")
+                    )
+                    .flatMap(this::queryAaiForConfiguration)
+                    .flatMap(this::publishToAaiConfiguration)
+                    .doOnError(exception ->
+                            logger.warn("AAIProducerTask exception has been registered: ", exception))
+                    .onErrorResume(resumePrhPredicate(), exception -> Mono.empty())
+                    .flatMap(this::processAdditionalFields)
+                    .doOnError(exception ->
+                            logger.warn("BBSActionsTask exception has been registered: ", exception))
+                    .flatMap(this::publishToDmaapConfigurationWithApache)
+                    .doOnError(exception ->
+                            logger.warn("DMaaPProducerTask exception has been registered: ", exception))
+                    .onErrorResume(resumePrhPredicate(), exception -> Mono.empty())
+                    .doOnTerminate(mainCountDownLatch::countDown)
+                    .subscribe(this::onSuccess, this::onError, this::onComplete);
 
             mainCountDownLatch.await();
         } catch (InterruptedException e) {
@@ -119,13 +134,13 @@ public class ScheduledTasks {
 
     /**
      * Marked as deprecated due to problems with DMaaP MR, to be fixed in future
-     * */
+     */
     @Deprecated
     private void onSuccess(HttpClientResponse response) {
         String statusCode = Integer.toString(response.status().code());
         MDC.put(RESPONSE_CODE, statusCode);
         logger.info("Prh consumed tasks successfully. HTTP Response code from DMaaPProducer {}",
-            statusCode);
+                statusCode);
         MDC.remove(RESPONSE_CODE);
     }
 
@@ -133,12 +148,11 @@ public class ScheduledTasks {
         String statusCode = Integer.toString(response.getStatusLine().getStatusCode());
         MDC.put(RESPONSE_CODE, statusCode);
         logger.info("Prh consumed tasks successfully. HTTP Response code from DMaaPProducer {}",
-            statusCode);
+                statusCode);
         MDC.remove(RESPONSE_CODE);
     }
 
 
-
     private void onError(Throwable throwable) {
         if (!(throwable instanceof DmaapEmptyResponseException)) {
             logger.warn("Chain of tasks have been aborted due to errors in PRH workflow", throwable);
@@ -163,40 +177,66 @@ public class ScheduledTasks {
         }
     }
 
-    private Mono<ConsumerDmaapModel> publishToAaiConfiguration(ConsumerDmaapModel monoDMaaPModel) {
+    private Mono<State> queryAaiForConfiguration(final ConsumerDmaapModel monoDMaaPModel) {
+        return aaiQueryTask
+                .execute(monoDMaaPModel)
+                .map(x -> new State(monoDMaaPModel, x));
+    }
+
+    private Mono<State> publishToAaiConfiguration(final State state) {
         try {
-            return aaiProducerTask.execute(monoDMaaPModel);
+            return state.ActivationStatus
+                    ? Mono.just(state)
+                    : aaiProducerTask
+                        .execute(state.DmaapModel)
+                        .map(x -> state);
         } catch (PrhTaskException | SSLException e) {
             return Mono.error(e);
         }
     }
 
-    private Mono<ConsumerDmaapModel> processAdditionalFields(ConsumerDmaapModel consumerDmaapModel) {
-        return bbsActionsTask.execute(consumerDmaapModel);
+    private Mono<State> processAdditionalFields(final State state) {
+        if (state.ActivationStatus) {
+            logger.debug("Re-registration - Logical links won't be updated.");
+
+            return Mono.just(state);
+        }
+
+        return bbsActionsTask.execute(state.DmaapModel).map(x -> state);
     }
 
     /**
      * Marked as deprecated due to problems with DMaaP MR, to be fixed in future
-     * */
+     */
     @Deprecated
-    private Mono<HttpClientResponse> publishToDmaapConfiguration(ConsumerDmaapModel monoAaiModel) {
+    private Mono<org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse>
+    publishToDmaapConfiguration(final State state) {
         try {
-            return dmaapProducerTask.execute(monoAaiModel);
+            if (state.ActivationStatus) {
+                logger.debug("Re-registration - Using PNF_UPDATE DMaaP topic.");
+                return dmaapUpdateProducerTask.execute(state.DmaapModel);
+            }
+
+            return dmaapReadyProducerTask.execute(state.DmaapModel);
         } catch (PrhTaskException | SSLException e) {
             return Mono.error(e);
         }
     }
 
-    private Mono<HttpResponse> publishToDmaapConfigurationWithApache(ConsumerDmaapModel monoAaiModel) {
+    private Mono<org.apache.http.HttpResponse>
+    publishToDmaapConfigurationWithApache(final State state) {
         try {
-            return dmaapProducerTask.executeWithApache(monoAaiModel);
+            if (state.ActivationStatus) {
+                logger.debug("Re-registration - Using PNF_UPDATE DMaaP topic.");
+                return dmaapUpdateProducerTask.executeWithApache(state.DmaapModel);
+            }
+
+            return dmaapReadyProducerTask.executeWithApache(state.DmaapModel);
         } catch (Exception e) {
             return Mono.error(e);
         }
     }
 
-
-
     private Predicate<Throwable> resumePrhPredicate() {
         return exception -> exception instanceof PrhTaskException;
     }
diff --git a/prh-app-server/src/main/resources/prh_endpoints.json b/prh-app-server/src/main/resources/prh_endpoints.json
index 51cefc04..a24dfd92 100644
--- a/prh-app-server/src/main/resources/prh_endpoints.json
+++ b/prh-app-server/src/main/resources/prh_endpoints.json
@@ -22,6 +22,15 @@
         "dmaapUserName": "admin",
         "dmaapUserPassword": "admin",
         "dmaapContentType": "application/json"
+      },
+      "dmaapUpdateProducerConfiguration": {
+        "dmaapHostName": "localhost",
+        "dmaapPortNumber": 8904,
+        "dmaapTopicName": "events/unauthenticated.PNF_UPDATE",
+        "dmaapProtocol": "http",
+        "dmaapUserName": "admin",
+        "dmaapUserPassword": "admin",
+        "dmaapContentType": "application/json"
       }
     },
     "aai": {
@@ -34,12 +43,12 @@
         "aaiIgnoreSslCertificateErrors": true,
         "aaiBasePath": "/aai/v12",
         "aaiPnfPath": "/network/pnfs/pnf",
+        "aaiServiceInstancePath": "/business/customers/customer/${customer}/service-subscriptions/service-subscription/${serviceType}/service-instances/service-instance/${serviceInstanceId}",
         "aaiHeaders": {
           "X-FromAppId": "prh",
           "X-TransactionId": "9999",
           "Accept": "application/json",
           "Real-Time": "true",
-          "Content-Type": "application/merge-patch+json",
           "Authorization": "Basic QUFJOkFBSQ=="
         }
       }