Initial source code

[oam/tr069-adapter.git] / acs / requestprocessor / src / main / java / org / commscope / tr069adapter / acs / requestprocessor / impl / SessionManager.java

diff --git a/acs/requestprocessor/src/main/java/org/commscope/tr069adapter/acs/requestprocessor/impl/SessionManager.java b/acs/requestprocessor/src/main/java/org/commscope/tr069adapter/acs/requestprocessor/impl/SessionManager.java
new file mode 100644 (file)
index 0000000..b9de828
--- /dev/null
+++ b/acs/requestprocessor/src/main/java/org/commscope/tr069adapter/acs/requestprocessor/impl/SessionManager.java
@@ -0,0 +1,133 @@
+/*\r
+ * ============LICENSE_START========================================================================\r
+ * ONAP : tr-069-adapter\r
+ * =================================================================================================\r
+ * Copyright (C) 2020 CommScope Inc Intellectual Property.\r
+ * =================================================================================================\r
+ * This tr-069-adapter software file is distributed by CommScope Inc under the Apache License,\r
+ * Version 2.0 (the "License"); you may not use this file except in compliance with the License. You\r
+ * may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,\r
+ * either express or implied. See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ * ===============LICENSE_END=======================================================================\r
+ */\r
+\r
+package org.commscope.tr069adapter.acs.requestprocessor.impl;\r
+\r
+import com.fasterxml.uuid.EthernetAddress;\r
+import com.fasterxml.uuid.Generators;\r
+import com.fasterxml.uuid.impl.TimeBasedGenerator;\r
+\r
+import java.util.Optional;\r
+import java.util.UUID;\r
+\r
+import org.commscope.tr069adapter.acs.common.exception.SessionConcurrentAccessException;\r
+import org.commscope.tr069adapter.acs.common.exception.SessionManagerException;\r
+import org.commscope.tr069adapter.acs.common.utils.ErrorCode;\r
+import org.commscope.tr069adapter.acs.requestprocessor.dao.SessionRepository;\r
+import org.commscope.tr069adapter.acs.requestprocessor.dto.SessionDTO;\r
+import org.commscope.tr069adapter.acs.requestprocessor.dto.SessionState;\r
+import org.commscope.tr069adapter.acs.requestprocessor.entity.SessionManagerEntity;\r
+import org.commscope.tr069adapter.acs.requestprocessor.util.SessionManagerUtility;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+import org.springframework.beans.factory.annotation.Autowired;\r
+import org.springframework.stereotype.Component;\r
+\r
+@Component\r
+public class SessionManager {\r
+\r
+  private static final Logger logger = LoggerFactory.getLogger(SessionManager.class);\r
+\r
+  @Autowired\r
+  SessionRepository sessionRepository;\r
+\r
+  /**\r
+   * @param deviceId\r
+   * @return\r
+   * @throws SessionManagerException\r
+   */\r
+  public SessionDTO getSession(String deviceId) {\r
+    SessionManagerEntity session = null;\r
+    Optional<SessionManagerEntity> optionalSessionData = sessionRepository.findById(deviceId);\r
+    if (optionalSessionData.isPresent()) {\r
+      session = optionalSessionData.get();\r
+    }\r
+    return SessionManagerUtility.convertToDTO(session);\r
+  }\r
+\r
+  /**\r
+   * @param sessionId\r
+   * @return\r
+   * @throws SessionManagerException\r
+   */\r
+  public SessionDTO getSessionBySessionId(String sessionId) throws SessionManagerException {\r
+\r
+    SessionManagerEntity sessionManagerEntity = sessionRepository.findBySessionId(sessionId);\r
+    if (sessionManagerEntity == null || SessionState.TERMINATED\r
+        .equals(SessionState.getByValue(sessionManagerEntity.getState()))) {\r
+      throw new SessionManagerException(ErrorCode.SESSION_EXPIRED, sessionId);\r
+    }\r
+    return SessionManagerUtility.convertToDTO(sessionManagerEntity);\r
+  }\r
+\r
+  /**\r
+   * @param session\r
+   * @return\r
+   * @throws SessionManagerException\r
+   */\r
+  public SessionDTO createSession(SessionDTO session) throws SessionManagerException {\r
+    if (session == null) {\r
+      SessionManagerException sme = new SessionManagerException(ErrorCode.SESSION_CREATION_ERROR,\r
+          "Session object cannot be null");\r
+      logger.error(sme.getMessage());\r
+      throw sme;\r
+    }\r
+    logger.debug("Creating a new session for the device");\r
+    return SessionManagerUtility\r
+        .convertToDTO(sessionRepository.save(SessionManagerUtility.convertToEntity(session)));\r
+  }\r
+\r
+  /**\r
+   * @param dto\r
+   * @return\r
+   * @throws SessionManagerException\r
+   */\r
+  public SessionDTO updateSession(SessionDTO dto) {\r
+    return SessionManagerUtility\r
+        .convertToDTO(sessionRepository.save(SessionManagerUtility.convertToEntity(dto)));\r
+  }\r
+\r
+  /**\r
+   * @param deviceId\r
+   * @throws SessionConcurrentAccessException\r
+   */\r
+  public void deleteSession(String deviceId) {\r
+    sessionRepository.deleteById(deviceId);\r
+  }\r
+\r
+  /**\r
+   * @param deviceId\r
+   * @return\r
+   * @throws SessionManagerException\r
+   */\r
+  public SessionDTO getLockedSession(String deviceId) {\r
+    logger.debug("Acquiring the session lock for the device");\r
+    return SessionManagerUtility.convertToDTO(sessionRepository.findByDeviceId(deviceId));\r
+  }\r
+\r
+  /**\r
+   * @return\r
+   */\r
+  public String generateUniqueSessionID() {\r
+    EthernetAddress addr = EthernetAddress.fromInterface();\r
+    TimeBasedGenerator uuidGenerator = Generators.timeBasedGenerator(addr);\r
+    UUID uuid = uuidGenerator.generate();\r
+    return uuid.toString();\r
+  }\r
+\r
+}\r