/**
*
* 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.hadoop.hbase.client;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.regionserver.RSRpcServices;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.TestName;
@Category({ MediumTests.class, ClientTests.class })
public class TestShortCircuitConnection {
private final static HBaseTestingUtility UTIL = new HBaseTestingUtility();
@Rule
public TestName name = new TestName();
@BeforeClass
public static void setUpBeforeClass() throws Exception {
UTIL.startMiniCluster(1);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
UTIL.shutdownMiniCluster();
}
@Test
@SuppressWarnings("deprecation")
public void testShortCircuitConnection() throws IOException, InterruptedException {
final TableName tableName = TableName.valueOf(name.getMethodName());
HTableDescriptor htd = UTIL.createTableDescriptor(tableName);
HColumnDescriptor hcd = new HColumnDescriptor(Bytes.toBytes("cf"));
htd.addFamily(hcd);
UTIL.createTable(htd, null);
HRegionServer regionServer = UTIL.getRSForFirstRegionInTable(tableName);
ClusterConnection connection = regionServer.getClusterConnection();
Table tableIf = connection.getTable(tableName);
assertTrue(tableIf instanceof HTable);
HTable table = (HTable) tableIf;
assertTrue(table.getConnection() == connection);
AdminService.BlockingInterface admin = connection.getAdmin(regionServer.getServerName());
ClientService.BlockingInterface client = connection.getClient(regionServer.getServerName());
assertTrue(admin instanceof RSRpcServices);
assertTrue(client instanceof RSRpcServices);
ServerName anotherSn = ServerName.valueOf(regionServer.getServerName().getHostAndPort(),
EnvironmentEdgeManager.currentTime());
admin = connection.getAdmin(anotherSn);
client = connection.getClient(anotherSn);
assertFalse(admin instanceof RSRpcServices);
assertFalse(client instanceof RSRpcServices);
assertTrue(connection.getAdmin().getConnection() == connection);
}
}