/**
* Copyright (C) 2013-2014 VCNC Inc.
*
* Licensed 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 kr.co.vcnc.haeinsa;
import java.io.IOException;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.client.HTableInterface;
import org.apache.hadoop.hbase.client.HTablePool;
import org.apache.hadoop.hbase.util.PoolMap.PoolType;
import org.testng.internal.annotations.Sets;
public final class HaeinsaTestingCluster {
public static HaeinsaTestingCluster INSTANCE;
public static HaeinsaTestingCluster getInstance() {
synchronized (HaeinsaTestingCluster.class) {
try {
if (INSTANCE == null) {
INSTANCE = new HaeinsaTestingCluster();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return INSTANCE;
}
private final MiniHBaseCluster cluster;
private final Configuration configuration;
private final ExecutorService threadPool;
private final HaeinsaTablePool haeinsaTablePool;
private final HTablePool hbaseTablePool;
private final HaeinsaTransactionManager transactionManager;
private final Set<String> createdTableNames;
private HaeinsaTestingCluster() throws Exception {
Configuration conf = HBaseConfiguration.create();
HBaseTestingUtility utility = new HBaseTestingUtility(conf);
utility.cleanupTestDir();
cluster = utility.startMiniCluster();
configuration = cluster.getConfiguration();
threadPool = Executors.newCachedThreadPool();
haeinsaTablePool = TestingUtility.createHaeinsaTablePool(configuration, threadPool);
hbaseTablePool = new HTablePool(configuration, 128, PoolType.Reusable);
transactionManager = new HaeinsaTransactionManager(haeinsaTablePool);
createdTableNames = Sets.newHashSet();
}
public MiniHBaseCluster getCluster() {
return cluster;
}
public Configuration getConfiguration() {
return configuration;
}
public HaeinsaTableIface getHaeinsaTable(String tableName) throws Exception {
ensureTableCreated(tableName);
return haeinsaTablePool.getTable(tableName);
}
public HTableInterface getHbaseTable(String tableName) throws Exception {
ensureTableCreated(tableName);
return hbaseTablePool.getTable(tableName);
}
private synchronized void ensureTableCreated(String tableName) throws Exception {
if (createdTableNames.contains(tableName)) {
return;
}
HBaseAdmin admin = new HBaseAdmin(configuration);
HTableDescriptor tableDesc = new HTableDescriptor(tableName);
HColumnDescriptor lockColumnDesc = new HColumnDescriptor(HaeinsaConstants.LOCK_FAMILY);
lockColumnDesc.setMaxVersions(1);
lockColumnDesc.setInMemory(true);
tableDesc.addFamily(lockColumnDesc);
HColumnDescriptor dataColumnDesc = new HColumnDescriptor("data");
tableDesc.addFamily(dataColumnDesc);
HColumnDescriptor metaColumnDesc = new HColumnDescriptor("meta");
tableDesc.addFamily(metaColumnDesc);
HColumnDescriptor rawColumnDesc = new HColumnDescriptor("raw");
tableDesc.addFamily(rawColumnDesc);
admin.createTable(tableDesc);
admin.close();
createdTableNames.add(tableName);
}
public HaeinsaTransactionManager getTransactionManager() {
return transactionManager;
}
public void release() throws IOException {
threadPool.shutdown();
cluster.shutdown();
}
}