/*
 * 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.hbase;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.MasterNotRunningException;
import org.apache.hadoop.hbase.ZooKeeperConnectionException;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.tuscany.nosqldatastore.Database;
import org.apache.tuscany.nosqldatastore.Session;

import java.io.IOException;

public class HBaseSession implements Session{

    private String session;
    private HBaseAdmin admin;

    public HBaseSession(String session){
        this.session = session;
        Configuration conf = HBaseConfiguration.create();
        try {
            admin = new HBaseAdmin(conf);
        } catch (MasterNotRunningException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        } catch (ZooKeeperConnectionException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        }
    }

    public Database createDatabase(String databaseName) {
        Database database = new HBaseDatatabase(databaseName, admin);
	    return database;
    }

    public Database getDatabase(String databaseName) {
	    Database database = new HBaseDatatabase(databaseName, admin);
	    return database;
    }

    public void deleteDatabase(String databaseName) {
        try {
            admin.disableTable(databaseName);
            admin.deleteTable(databaseName);
        } catch (IOException e) {
            System.out.println("Error: Creating the database "+databaseName);
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        }
    }
}