| /* |
| * 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.carbondata.lcm.locks; |
| |
| import java.io.File; |
| import java.lang.reflect.Field; |
| import java.util.UUID; |
| |
| import org.apache.carbondata.core.locks.CarbonLockFactory; |
| import org.apache.carbondata.core.locks.ICarbonLock; |
| import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier; |
| import org.apache.carbondata.core.locks.LocalFileLock; |
| import org.apache.carbondata.core.locks.LockUsage; |
| import org.apache.carbondata.core.util.CarbonProperties; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Test class to test the functionality of the local file locking. |
| */ |
| public class LocalFileLockTest { |
| |
| private String rootPath; |
| |
| private Class<?> secretClass = CarbonLockFactory.class; |
| |
| /** |
| * @throws java.lang.Exception |
| */ |
| @Before public void setUp() throws Exception { |
| rootPath = new File(this.getClass().getResource("/").getPath() |
| + "../../..").getCanonicalPath(); |
| String storeLocation = rootPath + "/target/store_new/"; |
| CarbonProperties.getInstance() |
| .addProperty("carbon.storelocation", storeLocation); |
| } |
| |
| /** |
| * @throws java.lang.Exception |
| */ |
| @After public void tearDown() throws Exception { |
| Field f = secretClass.getDeclaredField("lockPath"); |
| f.setAccessible(true); |
| f.set(secretClass, ""); |
| String storeLocation = rootPath + "/target/store_new/"; |
| new File(storeLocation).delete(); |
| } |
| |
| @Test public void testingLocalFileLockingByAcquiring2Locks() { |
| |
| AbsoluteTableIdentifier absoluteTableIdentifier = AbsoluteTableIdentifier |
| .from(CarbonProperties.getInstance().getProperty("carbon.storelocation"), "databaseName", |
| "tableName", UUID.randomUUID().toString()); |
| LocalFileLock localLock1 = |
| new LocalFileLock(absoluteTableIdentifier.getTablePath(), |
| LockUsage.METADATA_LOCK); |
| Assert.assertTrue(localLock1.lock()); |
| LocalFileLock localLock2 = |
| new LocalFileLock(absoluteTableIdentifier.getTablePath(), |
| LockUsage.METADATA_LOCK); |
| Assert.assertTrue(!localLock2.lock()); |
| |
| Assert.assertTrue(localLock1.unlock()); |
| Assert.assertTrue(localLock2.lock()); |
| Assert.assertTrue(localLock2.unlock()); |
| } |
| |
| @Test public void testConfigurablePathForLock() throws Exception { |
| try { |
| Field f = secretClass.getDeclaredField("lockPath"); |
| f.setAccessible(true); |
| f.set(secretClass, rootPath + "/target/"); |
| AbsoluteTableIdentifier absoluteTableIdentifier = AbsoluteTableIdentifier |
| .from(CarbonProperties.getInstance().getProperty("carbon.storelocation"), "databaseName", |
| "tableName1", "1"); |
| ICarbonLock carbonLock = CarbonLockFactory.getCarbonLockObj(absoluteTableIdentifier, LockUsage.TABLE_STATUS_LOCK); |
| carbonLock.lockWithRetries(); |
| assert (new File(rootPath + "/target/1/LockFiles/tablestatus.lock").exists()); |
| assert (!new File(absoluteTableIdentifier.getTablePath() + "/LockFiles").exists()); |
| } finally { |
| tearDown(); |
| } |
| } |
| |
| } |