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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.tuscany.nosqldatastore.cassandra;
import me.prettyprint.cassandra.service.CassandraHostConfigurator;
import me.prettyprint.hector.api.Cluster;
import me.prettyprint.hector.api.exceptions.HInvalidRequestException;
import me.prettyprint.hector.api.exceptions.HectorException;
import me.prettyprint.hector.api.factory.HFactory;
import org.apache.tuscany.nosqldatastore.Database;
import org.apache.tuscany.nosqldatastore.Session;
import org.apache.tuscany.nosqldatastore.exception.DatabaseNotFoundException;
import org.apache.tuscany.nosqldatastore.exception.GroupNotFoundException;
import org.apache.tuscany.nosqldatastore.exception.SessionException;
public class CassandraSession implements Session {
private CassandraHostConfigurator cassandraHostConfigurator;
private Cluster cluster;
public CassandraSession(String clusterName) {
cluster = HFactory.getOrCreateCluster("Test Cluster", "127.0.0.1:9160");
}
public Database createDatabase(String databaseName) throws SessionException {
Database database = null;
try{
database = new CassandraDatabase(databaseName, cluster);
} catch (HectorException e){
throw new SessionException("Session error");
}
return database;
}
public Database getDatabase(String databaseName) throws SessionException {
return createDatabase(databaseName);
}
public void deleteDatabase(String databaseName) throws DatabaseNotFoundException, SessionException {
try{
cluster.dropKeyspace(databaseName);
} catch(HInvalidRequestException e){
throw new DatabaseNotFoundException("Database "+databaseName+" not found");
} catch (HectorException e){
throw new SessionException("Session error");
}
}
}
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