public static void createKeyspace(
Cluster cluster, String name, String strategy, int replicationFactor, List<CfDef> cfDefList) {
try {
KsDef ksDef = new KsDef(name, strategy, replicationFactor, cfDefList);
cluster.addKeyspace(new ThriftKsDef(ksDef));
return;
} catch (Throwable e) {
System.out.println(
"exception while creating keyspace, "
+ name
+ " - probably already exists : "
+ e.getMessage());
}
for (CfDef cfDef : cfDefList) {
try {
cluster.addColumnFamily(new ThriftCfDef(cfDef));
} catch (Throwable e) {
System.out.println(
"exception while creating CF, "
+ cfDef.getName()
+ " - probably already exists : "
+ e.getMessage());
}
}
}
public static Keyspace createKeySpace(Cluster cluster, String keySpace) {
Keyspace keyspace;
// Define the keySpace
KeyspaceDefinition definition = new ThriftKsDef(keySpace);
KeyspaceDefinition def = cluster.describeKeyspace(keySpace);
if (def == null) {
// Adding keySpace to the cluster
cluster.addKeyspace(definition, true);
}
keyspace = HFactory.createKeyspace(keySpace, cluster);
CassandraConsistencyLevelPolicy policy = new CassandraConsistencyLevelPolicy();
keyspace.setConsistencyLevelPolicy(policy);
return keyspace;
}
void addKeyspacetoCassandra() throws InvalidRequestException, TException {
try {
ColumnFamilyDefinition cfDef =
HFactory.createColumnFamilyDefinition(
keyspaceName, cfdatapoint, ComparatorType.BYTESTYPE);
int replicationFactor = 1;
KeyspaceDefinition newKeyspace =
HFactory.createKeyspaceDefinition(
keyspaceName,
ThriftKsDef.DEF_STRATEGY_CLASS,
replicationFactor,
Arrays.asList(cfDef));
// Add the schema to the cluster.
myCluster.addKeyspace(newKeyspace);
} catch (Exception e) {
e.printStackTrace();
}
}
private void init(Cluster cluster) {
if (cluster.describeKeyspace("SiddhiSnapshots") == null) {
log.info("Adding keyspace SiddhiSnapshots");
cluster.addKeyspace(HFactory.createKeyspaceDefinition("SiddhiSnapshots"));
keyspace = HFactory.createKeyspace("SiddhiSnapshots", cluster);
cluster.addColumnFamily(
HFactory.createColumnFamilyDefinition(keyspace.getKeyspaceName(), COLUMN_FAMILY_NAME));
cluster.addColumnFamily(
HFactory.createColumnFamilyDefinition(
keyspace.getKeyspaceName(), INDEX_COLUMN_FAMILY_NAME));
} else {
if (log.isDebugEnabled()) {
log.debug("keyspace SiddhiSnapshots exists");
}
keyspace = HFactory.createKeyspace("SiddhiSnapshots", cluster);
}
}
public static void addKeySpace(Cluster myCluster) {
List<ColumnFamilyDefinition> cfDefs = new ArrayList<ColumnFamilyDefinition>();
cfDefs.add(
HFactory.createColumnFamilyDefinition(
"deneme", "global", ComparatorType.getByClassName("DateType")));
cfDefs.add(
HFactory.createColumnFamilyDefinition(
"deneme", "campaign1", ComparatorType.getByClassName("DateType")));
cfDefs.add(
HFactory.createColumnFamilyDefinition(
"deneme", "campaign2", ComparatorType.getByClassName("DateType")));
cfDefs.add(
HFactory.createColumnFamilyDefinition(
"deneme", "campaign3", ComparatorType.getByClassName("DateType")));
KeyspaceDefinition ksdef =
HFactory.createKeyspaceDefinition(
"deneme", "org.apache.cassandra.locator.SimpleStrategy", 1, cfDefs);
myCluster.addKeyspace(ksdef, true);
}
