this.snapshotCFName = eventCFName + "Snapshot";
//connect to cluster
Cluster cluster = HFactory.getOrCreateCluster(clusterName, hosts);
//dynamically create keyspace
KeyspaceDefinition keyspaceDefinition = cluster.describeKeyspace(keyspaceName);
if (keyspaceDefinition == null) {
ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(
keyspaceName, eventCFName, ComparatorType.COMPOSITETYPE);
cfDef.setComparatorTypeAlias("(LongType, UTF8Type)");