Effort to make portal resilient

Issue-ID: PORTAL-210

Includes music library that contatins session management

Change-Id: Icacab904e1f948068348fcc19cd77965cb5b446e
Signed-off-by: Lo, WEI-TING(wl849v) <wl849v@att.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/conf/MusicSessionRepositoryHandler.java b/ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/conf/MusicSessionRepositoryHandler.java
new file mode 100644
index 00000000..1b0dff94
--- /dev/null
+++ b/ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/conf/MusicSessionRepositoryHandler.java
@@ -0,0 +1,56 @@
+package org.onap.portalapp.music.conf;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.onap.music.eelf.logging.EELFLoggerDelegate;
+import org.onap.music.exceptions.MusicLockingException;
+import org.onap.music.exceptions.MusicServiceException;
+import org.onap.portalapp.music.service.MusicService;
+import org.onap.portalapp.music.util.MusicUtil;
+import org.springframework.session.Session;
+
+public class MusicSessionRepositoryHandler {
+	
+	private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicSessionRepositoryHandler.class);
+	private final Map<String, Session> sessions = new ConcurrentHashMap<>();
+	private boolean musicCache = MusicUtil.isCached();
+	
+	
+	public Session get(String id) {
+		if(!musicCache){
+			try {
+				Session session = MusicService.getMetaAttribute(id);
+				return session;
+			} catch (Exception e) {
+				logger.error(EELFLoggerDelegate.errorLogger, "get failed with id " + id, e);
+			}
+		}
+		return this.sessions.get(id);
+	}
+
+
+
+	public void remove(String id) {
+		 sessions.remove(id);
+		 try {
+			MusicService.removeSession(id);
+		} catch (MusicLockingException e) {
+			logger.error(EELFLoggerDelegate.errorLogger, "removeSession locking failed with id " + id, e);
+		} catch (MusicServiceException e) {
+			logger.error(EELFLoggerDelegate.errorLogger, "removeSession failed with id " + id, e);
+		}
+	}
+
+
+
+	public void put(String id, MusicSession musicSession) {
+		sessions.put(id, musicSession);
+		try {
+			MusicService.setMetaAttribute(musicSession);
+		} catch (Exception e) {
+			logger.error(EELFLoggerDelegate.errorLogger, "setMetaAttribute failed with id " + id, e);
+		}
+	}
+
+}