diff options
Diffstat (limited to 'src/main/java/org/onap/music/datastore/MusicDataStoreHandle.java')
-rw-r--r-- | src/main/java/org/onap/music/datastore/MusicDataStoreHandle.java | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/main/java/org/onap/music/datastore/MusicDataStoreHandle.java b/src/main/java/org/onap/music/datastore/MusicDataStoreHandle.java new file mode 100644 index 00000000..bb8f3cbd --- /dev/null +++ b/src/main/java/org/onap/music/datastore/MusicDataStoreHandle.java @@ -0,0 +1,108 @@ +/* + * ============LICENSE_START========================================== + * org.onap.music + * =================================================================== + * Copyright (c) 2017 AT&T Intellectual Property + * =================================================================== + * 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.music.datastore; + +import java.util.HashMap; +import java.util.Map; + +import org.onap.music.eelf.logging.EELFLoggerDelegate; +import org.onap.music.exceptions.MusicServiceException; +import org.onap.music.main.MusicUtil; +import org.onap.music.service.impl.MusicZKCore; + +import com.datastax.driver.core.ResultSet; +import com.datastax.driver.core.TableMetadata; + +public class MusicDataStoreHandle { + + + + public static MusicDataStore mDstoreHandle = null; + private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicDataStoreHandle.class); + + /** + * + * @param remoteIp + * @return + */ + public static MusicDataStore getDSHandle(String remoteIp) { + logger.info(EELFLoggerDelegate.metricsLogger,"Acquiring data store handle"); + long start = System.currentTimeMillis(); + if (mDstoreHandle == null) { + mDstoreHandle = new MusicDataStore(remoteIp); + } + long end = System.currentTimeMillis(); + logger.info(EELFLoggerDelegate.metricsLogger,"Time taken to acquire data store handle:" + (end - start) + " ms"); + return mDstoreHandle; + } + + /** + * + * @return + * @throws MusicServiceException + */ + public static MusicDataStore getDSHandle() throws MusicServiceException { + logger.info(EELFLoggerDelegate.metricsLogger,"Acquiring data store handle"); + long start = System.currentTimeMillis(); + if (mDstoreHandle == null) { + // Quick Fix - Best to put this into every call to getDSHandle? + if (! MusicUtil.getMyCassaHost().equals("localhost") ) { + mDstoreHandle = new MusicDataStore(MusicUtil.getMyCassaHost()); + } else { + mDstoreHandle = new MusicDataStore(); + } + } + if(mDstoreHandle.getSession() == null) { + String message = "Connection to Cassandra has not been enstablished." + + " Please check connection properites and reboot."; + logger.info(EELFLoggerDelegate.applicationLogger, message); + throw new MusicServiceException(message); + } + long end = System.currentTimeMillis(); + logger.info(EELFLoggerDelegate.metricsLogger,"Time taken to acquire data store handle:" + (end - start) + " ms"); + return mDstoreHandle; + } + + + /** + * + * @param keyspace + * @param tablename + * @return + * @throws MusicServiceException + */ + public static TableMetadata returnColumnMetadata(String keyspace, String tablename) throws MusicServiceException { + return getDSHandle().returnColumnMetadata(keyspace, tablename); + } + + /** + * + * @param results + * @return + * @throws MusicServiceException + */ + public static Map<String, HashMap<String, Object>> marshallResults(ResultSet results) throws MusicServiceException { + return getDSHandle().marshalData(results); + } + +} |