Package org.apache.cassandra.cql

Source Code of org.apache.cassandra.cql.EmbeddedServiceBase

package org.apache.cassandra.cql;
/*
*
* 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.
*
*/


import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;

import org.apache.cassandra.CleanupHelper;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.config.ConfigurationException;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.config.KSMetaData;
import org.apache.cassandra.service.EmbeddedCassandraService;
import org.junit.BeforeClass;

/**
* The abstract BaseClass.
*/
public abstract class EmbeddedServiceBase
{

    /** The embedded server cassandra. */
    private static EmbeddedCassandraService cassandra;
   
    @BeforeClass
    public static void cleanUpOldStuff() throws IOException
    {
        CleanupHelper.cleanupAndLeaveDirs();
    }
   
    /**
     * Start cassandra server.
     * @throws ConfigurationException
     *
     * @throws Exception the exception
     */
    public static void startCassandraServer() throws IOException, ConfigurationException
    {
        if (!checkIfServerRunning())
        {
            loadData();
            cassandra = new EmbeddedCassandraService();
            cassandra.start();
        }
    }

   
    /**
     * Load yaml tables.
     *
     * @throws ConfigurationException the configuration exception
     */
    static void loadData() throws ConfigurationException
    {
        for (KSMetaData table : SchemaLoader.schemaDefinition())
        {
            for (CFMetaData cfm : table.cfMetaData().values())
            {
                CFMetaData.map(cfm);
            }
            DatabaseDescriptor.setTableDefinition(table, DatabaseDescriptor.getDefsVersion());
        }
    }
    /**
     * Check if server running.
     *
     * @return true, if successful
     */
    static boolean checkIfServerRunning()
    {
        try
        {
            Socket socket = new Socket("127.0.0.1", 9170);
            return socket.getInetAddress() != null;
        }
        catch (UnknownHostException e)
        {
            return false;
        }
        catch (IOException e)
        {
            return false;
        }
    }
}
TOP

Related Classes of org.apache.cassandra.cql.EmbeddedServiceBase

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.