package org.infinispan.jmx;
import org.infinispan.config.Configuration;
import org.infinispan.config.GlobalConfiguration;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.SingleCacheManagerTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.infinispan.transaction.lookup.DummyTransactionManagerLookup;
import org.infinispan.transaction.tm.DummyTransactionManager;
import org.testng.annotations.Test;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.transaction.TransactionManager;
import static org.infinispan.test.TestingUtil.checkMBeanOperationParameterNaming;
import static org.infinispan.test.TestingUtil.getCacheObjectName;
/**
* Test the JMX functionality in {@link org.infinispan.util.concurrent.locks.LockManagerImpl}.
*
* @author Mircea.Markus@jboss.com
* @author Galder Zamarreño
*/
@Test(groups = "functional", testName = "jmx.MvccLockManagerMBeanTest")
public class MvccLockManagerMBeanTest extends SingleCacheManagerTest {
public static final int CONCURRENCY_LEVEL = 129;
private ObjectName lockManagerObjName;
private MBeanServer threadMBeanServer;
private static final String JMX_DOMAIN = "MvccLockManagerMBeanTest";
@Override
protected EmbeddedCacheManager createCacheManager() throws Exception {
GlobalConfiguration globalConfiguration = GlobalConfiguration.getNonClusteredDefault().fluent()
.globalJmxStatistics()
.mBeanServerLookupClass(PerThreadMBeanServerLookup.class)
.jmxDomain(JMX_DOMAIN)
.build();
cacheManager = TestCacheManagerFactory.createCacheManagerEnforceJmxDomain(globalConfiguration);
Configuration configuration = getDefaultStandaloneConfig(true).fluent()
.jmxStatistics()
.locking()
.concurrencyLevel(CONCURRENCY_LEVEL)
.useLockStriping(true)
.transaction()
.transactionManagerLookup(new DummyTransactionManagerLookup())
.build();
cacheManager.defineConfiguration("test", configuration);
cache = cacheManager.getCache("test");
lockManagerObjName = getCacheObjectName(JMX_DOMAIN, "test(local)", "LockManager");
threadMBeanServer = PerThreadMBeanServerLookup.getThreadMBeanServer();
return cacheManager;
}
public void testJmxOperationMetadata() throws Exception {
checkMBeanOperationParameterNaming(lockManagerObjName);
}
public void testConcurrencyLevel() throws Exception {
assertAttributeValue("ConcurrencyLevel", CONCURRENCY_LEVEL);
}
public void testNumberOfLocksHeld() throws Exception {
DummyTransactionManager tm = (DummyTransactionManager) TestingUtil.extractComponent(cache, TransactionManager.class);
tm.begin();
cache.put("key", "value");
tm.getTransaction().runPrepare();
assertAttributeValue("NumberOfLocksHeld", 1);
tm.getTransaction().runCommitTx();
assertAttributeValue("NumberOfLocksHeld", 0);
}
public void testNumberOfLocksAvailable() throws Exception {
DummyTransactionManager tm = (DummyTransactionManager) TestingUtil.extractComponent(cache, TransactionManager.class);
int initialAvailable = getAttrValue("NumberOfLocksAvailable");
tm.begin();
cache.put("key", "value");
tm.getTransaction().runPrepare();
assertAttributeValue("NumberOfLocksHeld", 1);
assertAttributeValue("NumberOfLocksAvailable", initialAvailable - 1);
tm.rollback();
assertAttributeValue("NumberOfLocksAvailable", initialAvailable);
assertAttributeValue("NumberOfLocksHeld", 0);
}
private void assertAttributeValue(String attrName, int expectedVal) throws Exception {
int cl = getAttrValue(attrName);
assert cl == expectedVal : "expected " + expectedVal + ", but received " + cl;
}
private int getAttrValue(String attrName) throws Exception {
return Integer.parseInt(threadMBeanServer.getAttribute(lockManagerObjName, attrName).toString());
}
}