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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.cassandra.service;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
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.thrift.Cassandra;
import org.apache.cassandra.thrift.Clock;
import org.apache.cassandra.thrift.Column;
import org.apache.cassandra.thrift.ColumnOrSuperColumn;
import org.apache.cassandra.thrift.Column;
import org.apache.cassandra.thrift.ColumnParent;
import org.apache.cassandra.thrift.ColumnPath;
import org.apache.cassandra.thrift.ColumnParent;
import org.apache.cassandra.thrift.ConsistencyLevel;
import org.apache.cassandra.thrift.InvalidRequestException;
import org.apache.cassandra.thrift.NotFoundException;
import org.apache.cassandra.thrift.TimedOutException;
import org.apache.cassandra.thrift.UnavailableException;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportException;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.cassandra.thrift.AuthenticationRequest;
import org.apache.cassandra.thrift.AuthorizationException;
import org.apache.cassandra.thrift.AuthenticationException;
/**
* Example how to use an embedded cassandra service.
*
* Tests connect to localhost:9160 when the embedded server is running.
*
* @author Ran Tavory (rantav@gmail.com)
*
*/
public class EmbeddedCassandraServiceTest
{
private static EmbeddedCassandraService cassandra;
/**
* Set embedded cassandra up and spawn it in a new thread.
*
* @throws TTransportException
* @throws IOException
* @throws InterruptedException
*/
@BeforeClass
public static void setup() throws TTransportException, IOException, InterruptedException, ConfigurationException
{
// Manually load tables from the test configuration file.
for (KSMetaData table : DatabaseDescriptor.readTablesFromYaml())
{
for (CFMetaData cfm : table.cfMetaData().values())
CFMetaData.map(cfm);
DatabaseDescriptor.setTableDefinition(table, DatabaseDescriptor.getDefsVersion());
}
cassandra = new EmbeddedCassandraService();
cassandra.init();
// spawn cassandra in a new thread
Thread t = new Thread(cassandra);
t.setDaemon(true);
t.start();
}
@Test
public void testEmbeddedCassandraService() throws AuthenticationException, AuthorizationException,
UnsupportedEncodingException, InvalidRequestException,
UnavailableException, TimedOutException, TException, NotFoundException
{
Cassandra.Client client = getClient();
client.set_keyspace("Keyspace1");
byte[] key_user_id = "1".getBytes();
long timestamp = System.currentTimeMillis();
ColumnPath cp = new ColumnPath("Standard1");
ColumnParent par = new ColumnParent("Standard1");
cp.setColumn("name".getBytes("utf-8"));
// insert
Clock clock = new Clock();
clock.setTimestamp(timestamp);
client.insert(key_user_id, par, new Column("name".getBytes("utf-8"),
"Ran".getBytes("UTF-8"), clock), ConsistencyLevel.ONE);
// read
ColumnOrSuperColumn got = client.get(key_user_id, cp,
ConsistencyLevel.ONE);
// assert
assertNotNull("Got a null ColumnOrSuperColumn", got);
assertEquals("Ran", new String(got.getColumn().getValue(), "utf-8"));
}
/**
* Gets a connection to the localhost client
*
* @return
* @throws TTransportException
*/
private Cassandra.Client getClient() throws TTransportException
{
TTransport tr = new TFramedTransport(new TSocket("localhost", DatabaseDescriptor.getRpcPort()));
TProtocol proto = new TBinaryProtocol(tr);
Cassandra.Client client = new Cassandra.Client(proto);
tr.open();
return client;
}
}