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package org.apache.tuscany.nosqldatastore.cassandra;
import java.util.ArrayList;
import java.util.List;
import me.prettyprint.cassandra.service.ThriftCluster;
import me.prettyprint.cassandra.service.ThriftKsDef;
import me.prettyprint.hector.api.Cluster;
import me.prettyprint.hector.api.Keyspace;
import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition;
import me.prettyprint.hector.api.ddl.KeyspaceDefinition;
import me.prettyprint.hector.api.exceptions.HInvalidRequestException;
import me.prettyprint.hector.api.factory.HFactory;
import org.apache.cassandra.thrift.InvalidRequestException;
import org.apache.tuscany.nosqldatastore.Database;
import org.apache.tuscany.nosqldatastore.Group;
class CassandraDatabase implements Database {
private Keyspace keyspace;
private Cluster cluster;
CassandraDatabase(String databaseName, Cluster cluster) {
try{
KeyspaceDefinition ksDef = new ThriftKsDef(databaseName, "org.apache.cassandra.locator.SimpleStrategy", 1, null);
cluster.addKeyspace(ksDef);
}catch (HInvalidRequestException e){
System.out.println("Connect to the existing database...");
}
this.keyspace = HFactory.createKeyspace(databaseName, cluster);
this.cluster = cluster;
}
public Group createGroup(String groupId) {
CassandraGroup group = new CassandraGroup(groupId, keyspace, cluster);
return group;
}
public Group getGroup(String groupId) {
return createGroup(groupId);
}
public void deleteGroup(String key) {
cluster.dropColumnFamily(keyspace.getKeyspaceName(), key);
}
}
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