Add support to consume, process pm message from DB

- Add support for analysing pm data
- Add support to trigger closed loop
- Add support for configDb Interface Implementation
- Add support for Intelligent slicing

Issue-ID: DCAEGEN2-2255
Signed-off-by: dhebeha <dhebeha.mj71@wipro.com>
Change-Id: I185dbb6da45ae6ee74f0a090e2d604914163588b

2 files changed, 144 insertions, 0 deletions

diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/restclients/ConfigDbRestClient.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/restclients/ConfigDbRestClient.java
new file mode 100644
index 00000000..dbc42912
--- /dev/null
+++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/restclients/ConfigDbRestClient.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  slice-analysis-ms
+ *  ================================================================================
+ *   Copyright (C) 2020 Wipro Limited.
+ *   ==============================================================================
+ *     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.slice.analysis.ms.restclients;
+
+import java.util.Collections;
+
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+
+/** 
+ * This class represents rest client for config db interfaces
+ */
+@Component
+public class ConfigDbRestClient extends RestClient {
+
+	public ConfigDbRestClient() {
+		super();
+	}
+
+	/**
+	 * Send Post Request to Config DB.
+	 */
+
+	public <T> ResponseEntity<T> sendPostRequest(String requestUrl, String requestBody,
+			ParameterizedTypeReference<T> responseType) {
+		HttpHeaders headers = new HttpHeaders();
+		headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
+		headers.setContentType(MediaType.APPLICATION_JSON);
+		return super.sendPostRequest(headers, requestUrl, requestBody, responseType);
+	}
+
+	/**
+	 * Send Get Request to Config DB.
+	 */
+
+	public <T> ResponseEntity<T> sendGetRequest(String requestUrl, ParameterizedTypeReference<T> responseType) {
+		HttpHeaders headers = new HttpHeaders();
+		headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
+		headers.setContentType(MediaType.APPLICATION_JSON);
+		return super.sendGetRequest(headers, requestUrl, responseType);
+	}
+}
diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/restclients/RestClient.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/restclients/RestClient.java
new file mode 100644
index 00000000..5946fd1d
--- /dev/null
+++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/restclients/RestClient.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  slice-analysis-ms
+ *  ================================================================================
+ *   Copyright (C) 2020 Wipro Limited.
+ *   ==============================================================================
+ *     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.slice.analysis.ms.restclients;
+
+import org.onap.slice.analysis.ms.utils.BeanUtil;
+import org.slf4j.Logger;
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+
+/** 
+ * This class is for base rest client 
+ */
+@Component
+public class RestClient {
+
+	private static final String EXCEPTION_MSG = "Exception caught during request {}";
+	private static final Logger log = org.slf4j.LoggerFactory.getLogger(RestClient.class);
+
+	protected RestClient() {
+
+	}
+
+	/**
+	 * Post Request Template.
+	 */
+
+	public <T> ResponseEntity<T> sendPostRequest(HttpHeaders headers, String requestUrl, String requestBody,
+			ParameterizedTypeReference<T> responseType) {
+		HttpEntity<Object> requestEntity = new HttpEntity<>(requestBody, headers);
+		try {
+			RestTemplate restTemplate = BeanUtil.getBean(RestTemplate.class);
+			return restTemplate.exchange(requestUrl, HttpMethod.POST, requestEntity, responseType);
+		} catch (Exception e) {
+			log.debug(EXCEPTION_MSG, e.getMessage());
+			return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+		}
+	}
+
+	/**
+	 * Get Request Template.
+	 */
+
+	public <T> ResponseEntity<T> sendGetRequest(HttpHeaders headers, String requestUrl, ParameterizedTypeReference<T> responseType) {
+		HttpEntity<Void> requestEntity = new HttpEntity<>(headers);
+		try {
+			RestTemplate restTemplate = BeanUtil.getBean(RestTemplate.class);
+			return restTemplate.exchange(requestUrl, HttpMethod.GET, requestEntity, responseType);
+		} catch (Exception e) {
+			log.debug(EXCEPTION_MSG, e.getMessage());
+			return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+		}
+	}
+
+
+}