diff options
author | Lo, WEI-TING(wl849v) <wl849v@att.com> | 2018-03-19 17:37:22 -0400 |
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committer | Lo, WEI-TING(wl849v) <wl849v@att.com> | 2018-03-19 17:37:22 -0400 |
commit | a932df953215fa4fe25d0dee962291eaa64d1846 (patch) | |
tree | 5106087e4723b93d6d3690ad37f560f6a7257e31 /ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/util/MusicUtil.java | |
parent | dcdf1bb1838de59e16c63ab37b29fb913efe2f69 (diff) |
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>
Diffstat (limited to 'ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/util/MusicUtil.java')
-rw-r--r-- | ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/util/MusicUtil.java | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/util/MusicUtil.java b/ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/util/MusicUtil.java new file mode 100644 index 00000000..f582a9db --- /dev/null +++ b/ecomp-sdk/epsdk-music/src/main/java/org/onap/portalapp/music/util/MusicUtil.java @@ -0,0 +1,125 @@ +package org.onap.portalapp.music.util; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.nio.ByteBuffer; +import java.time.Duration; +import java.time.Instant; +import java.util.Arrays; +import java.util.HashSet; +import java.util.Set; +import java.util.zip.GZIPInputStream; +import java.util.zip.GZIPOutputStream; + +import org.onap.music.eelf.logging.EELFLoggerDelegate; +import org.onap.portalapp.music.conf.MusicSession; + +import com.datastax.driver.core.ResultSet; +import com.datastax.driver.core.Row; + +public class MusicUtil { + private static final Set<String> sessionAttrNameSet = new HashSet<>(Arrays.asList("CREATION_TIME", "LAST_ACCESS_TIME","MAX_INACTIVE_INTERVAL","EXPIRY_TIME","PRINCIPAL_NAME")); + + private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicUtil.class); + private static String atomicPut = MusicProperties.getProperty(MusicProperties.MUSIC_ATOMIC_PUT); + private static String atomicGet = MusicProperties.getProperty(MusicProperties.MUSIC_ATOMIC_GET); + private static String cached = MusicProperties.getProperty(MusicProperties.MUSIC_CACHE); + private static String musicSerializeCompress = MusicProperties.getProperty(MusicProperties.MUSIC_SERIALIZE_COMPRESS); + public static boolean isSessionMetaAttr(String key){ + return sessionAttrNameSet.contains(key); + } + + public static <T> T musicRestResponseDataParsing(ResultSet rs, String attributeName) throws Exception{ + logger.debug(EELFLoggerDelegate.debugLogger, "musicRestResponseDataParsing: start"); + Row row = rs.one(); + if(!sessionAttrNameSet.contains(attributeName)){ + if(row!=null) + return MusicUtil.musicDeserialize(row.getBytes("attribute_bytes")); + }else{ + return (T) row.getString(attributeName); + } + return null; + } + + public static <T> T musicDeserialize (ByteBuffer byteBuf) throws Exception{ + logger.debug(EELFLoggerDelegate.debugLogger, "musicDeserialize: start"); + ByteArrayInputStream byteArr = new ByteArrayInputStream(byteBuf.array()); + ObjectInputStream ois = null; + if(isMusicSerializeCompress()){ + GZIPInputStream zos = new GZIPInputStream(byteArr); + ois = new ObjectInputStream(zos); + }else{ + ois = new ObjectInputStream(byteArr); + } + return (T) ois.readObject(); + } + + public static ByteBuffer musicSerialize (Object value) throws Exception{ + logger.debug(EELFLoggerDelegate.debugLogger, "musicSerialize: start"); + ByteArrayOutputStream bo = new ByteArrayOutputStream(); + try { + if(isMusicSerializeCompress()){ + GZIPOutputStream zos = new GZIPOutputStream(bo); + ObjectOutputStream oos = new ObjectOutputStream(zos); + oos.writeObject(value); + oos.flush(); + zos.finish(); + }else{ + ObjectOutputStream oos = new ObjectOutputStream(bo); + oos.writeObject(value); + oos.flush(); + } + } catch (IOException e) { + logger.error(EELFLoggerDelegate.errorLogger, "Failed to serialize "); + } + return ByteBuffer.wrap(bo.toByteArray()); + } + + public static MusicSession parseMetaData (Row row) throws Exception{ + logger.debug(EELFLoggerDelegate.debugLogger, "parseMetaData: start"); + + if(row==null) + return null; + String sessionId = row.getString("primary_id"); + MusicSession musicSession = new MusicSession(sessionId); + musicSession.setCreationTime(Instant.parse(row.getString("creation_time"))); + musicSession.setLastAccessedTime(Instant.parse(row.getString("last_access_time"))); + musicSession.setMaxInactiveInterval(Duration.parse(row.getString("max_inactive_interval"))); + return musicSession; + } + + public static boolean isMusicSerializeCompress(){ + if(musicSerializeCompress==null){ + logger.error(EELFLoggerDelegate.errorLogger, "Failed to read property file " + MusicProperties.MUSIC_SERIALIZE_COMPRESS +" fall back to eventual put"); + return false; + } + return musicSerializeCompress.trim().equalsIgnoreCase("true"); + } + + public static boolean isAtomicPut(){ + if(atomicPut==null){ + logger.error(EELFLoggerDelegate.errorLogger, "Failed to read property file " + MusicProperties.MUSIC_ATOMIC_PUT +" fall back to eventual put"); + return false; + } + return atomicPut.trim().equalsIgnoreCase("true"); + } + + public static boolean isAtomicGet(){ + if(atomicGet==null){ + logger.error(EELFLoggerDelegate.errorLogger, "Failed to read property file " + MusicProperties.MUSIC_ATOMIC_GET +" fall back to eventual get"); + return false; + } + return atomicGet.trim().equalsIgnoreCase("true"); + } + + public static boolean isCached(){ + if(cached==null){ + logger.error(EELFLoggerDelegate.errorLogger, "Failed to read property file " + MusicProperties.MUSIC_CACHE +" fall back to non cache"); + return false; + } + return cached.trim().equalsIgnoreCase("true"); + } +} |