package org.jboss.cache.optimistic;
import org.jboss.cache.CacheSPI;
import org.jboss.cache.Fqn;
import org.jboss.cache.factories.ComponentRegistry;
import org.jboss.cache.interceptors.OptimisticCreateIfNotExistsInterceptor;
import org.jboss.cache.interceptors.OptimisticNodeInterceptor;
import org.jboss.cache.interceptors.base.CommandInterceptor;
import org.jboss.cache.loader.SamplePojo;
import org.jboss.cache.transaction.GlobalTransaction;
import org.jboss.cache.transaction.OptimisticTransactionContext;
import org.jboss.cache.transaction.TransactionTable;
import org.jboss.cache.util.TestingUtil;
import static org.testng.AssertJUnit.*;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import java.util.Iterator;
/**
* @author xenephon
*/
@Test(groups = {"functional", "optimistic"}, sequential = true, testName = "optimistic.NodeInterceptorGetChildrenNamesTest")
public class NodeInterceptorGetChildrenNamesTest extends AbstractOptimisticTestCase
{
TestListener listener;
CacheSPI<Object, Object> cache;
MockInterceptor dummy;
TransactionManager mgr;
@BeforeMethod
public void setUp() throws Exception
{
listener = new TestListener();
cache = createCacheWithListener(listener);
ComponentRegistry cr = TestingUtil.extractComponentRegistry(cache);
CommandInterceptor interceptor = new OptimisticCreateIfNotExistsInterceptor();
cr.registerComponent(interceptor, OptimisticCreateIfNotExistsInterceptor.class);
CommandInterceptor nodeInterceptor = new OptimisticNodeInterceptor();
cr.registerComponent(nodeInterceptor, OptimisticNodeInterceptor.class);
dummy = new MockInterceptor();
cr.registerComponent(dummy, MockInterceptor.class);
interceptor.setNext(nodeInterceptor);
nodeInterceptor.setNext(dummy);
TestingUtil.replaceInterceptorChain(cache, interceptor);
mgr = cache.getConfiguration().getRuntimeConfig().getTransactionManager();
}
@AfterMethod
public void tearDown()
{
TestingUtil.killCaches(cache);
cache = null;
}
@SuppressWarnings("unchecked")
public void testTransactionGetNamesMethod() throws Exception
{
mgr.begin();
Transaction tx = mgr.getTransaction();
setupTransactions(cache, tx);
SamplePojo pojo = new SamplePojo(21, "test");
cache.put("/one/two", "key1", pojo);
assertEquals(null, dummy.getCalledCommand());
TransactionTable table = cache.getTransactionTable();
GlobalTransaction gtx = table.get(tx);
OptimisticTransactionContext entry = (OptimisticTransactionContext) table.get(gtx);
TransactionWorkspace workspace = entry.getTransactionWorkSpace();
//assert we can see this with a key value get in the transaction
assertEquals(1, cache.getNode("/one").getChildrenNames().size());
mgr.commit();
//assert what should be the results of our call
assertEquals(3, workspace.getNodes().size());
assertNotNull(workspace.getNode(Fqn.fromString("/one/two")));
assertEquals(pojo, workspace.getNode(Fqn.fromString("/one/two")).get("key1"));
assertTrue(entry.getLocks().isEmpty());
assertEquals(1, entry.getModifications().size());
assertTrue(!cache.exists("/one/two"));
assertEquals(null, dummy.getCalledCommand());
//assert that we cannot see the change if we have not put it into the cache
// we need to do this as we do not have the tx interceptor in this stack
mgr.begin();
Transaction tx2 = mgr.getTransaction();
setupTransactions(cache, tx2);
assertEquals(0, cache.getRoot().getChildrenNames().size());
mgr.commit();
}
public void testTransactionGetNoNamesMethod() throws Exception
{
mgr.begin();
Transaction tx = mgr.getTransaction();
setupTransactions(cache, tx);
assertEquals(null, dummy.getCalledCommand());
TransactionTable table = cache.getTransactionTable();
GlobalTransaction gtx = table.get(tx);
OptimisticTransactionContext entry = (OptimisticTransactionContext) table.get(gtx);
//assert we can see this with a key value get in the transaction
assertEquals(0, cache.getRoot().getChildrenNames().size());
mgr.commit();
assertTrue(entry.getLocks().isEmpty());
assertEquals(0, entry.getModifications().size());
assertTrue(!cache.exists("/one/two"));
assertEquals(null, dummy.getCalledCommand());
}
public void testTransactionGetNamesIteratorMethod() throws Exception
{
mgr.begin();
Transaction tx = mgr.getTransaction();
setupTransactions(cache, tx);
SamplePojo pojo = new SamplePojo(21, "test");
cache.put("/one/two", "key1", pojo);
assertEquals(null, dummy.getCalledCommand());
TransactionTable table = cache.getTransactionTable();
GlobalTransaction gtx = table.get(tx);
OptimisticTransactionContext entry = (OptimisticTransactionContext) table.get(gtx);
@SuppressWarnings("unchecked")
TransactionWorkspace<Object, Object> workspace = entry.getTransactionWorkSpace();
//assert we can see this
assertEquals(1, cache.getNode("/one").getChildrenNames().size());
try
{
for (Iterator<?> it = cache.getNode("/one").getChildrenNames().iterator(); it.hasNext();)
{
it.next();
it.remove();
}
fail("Should not be allowed to modify elements in the set returned by getChildrenNames()");
}
catch (UnsupportedOperationException uoe)
{
// the returned set should be unmodifiable and a remove on the iterator should fail.
}
//assert the removal has had no effect
assertEquals(1, cache.getNode("/one").getChildrenNames().size());
assertNotNull(workspace.getNode(Fqn.fromString("/one/two")));
mgr.commit();
assertTrue(entry.getLocks().isEmpty());
assertEquals(1, entry.getModifications().size());
assertTrue(!cache.exists("/one/two"));
assertEquals(null, dummy.getCalledCommand());
}
}