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Checkpoint: RetryingTransactionHelper, which executes a unit of work in a UserTransaction

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with retries for transient failures.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4573 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Britt Park
2006-12-11 19:57:20 +00:00
parent f80dcdd7e4
commit b4d49c2c3c
3 changed files with 219 additions and 41 deletions
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95
source/java/org/alfresco/repo/avm/AVMServiceTest.java
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@@ -19,6 +19,7 @@ package org.alfresco.repo.avm;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.Serializable;
@@ -40,6 +41,7 @@ import org.alfresco.repo.avm.actions.SimpleAVMSubmitAction;
import org.alfresco.repo.avm.util.BulkLoader;
import org.alfresco.repo.domain.PropertyValue;
import org.alfresco.repo.security.authentication.AuthenticationComponent;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.repo.transaction.TransactionUtil;
import org.alfresco.service.cmr.avm.AVMBadArgumentException;
import org.alfresco.service.cmr.avm.AVMCycleException;
@@ -3262,56 +3264,67 @@ public class AVMServiceTest extends AVMServiceTestBase
try
{
setupBasicTree();
class TxnWork implements TransactionUtil.TransactionWork<Object>
class TxnCallback implements RetryingTransactionHelper.Callback
{
public Object doWork() throws Exception
public Object execute()
{
AVMService service = (AVMService)fContext.getBean("avmService");
service.createLayeredDirectory("main:/a", "main:/", "layer");
// Modify something in an ordinary directory 3 times.
service.getFileOutputStream("main:/a/b/c/foo").close();
service.getFileOutputStream("main:/a/b/c/foo").close();
service.getFileOutputStream("main:/a/b/c/foo").close();
service.createFile("main:/a/b/c", "pint").close();
service.createFile("main:/a/b/c", "quart").close();
// Modify another file in the same directory.
service.getFileOutputStream("main:/a/b/c/bar").close();
service.getFileOutputStream("main:/a/b/c/bar").close();
service.lookup(-1, "main:/a/b/c");
service.createFile("main:/a/b/c", "figment").close();
// Repeat in a layer.
service.getFileOutputStream("main:/layer/b/c/foo").close();
service.getFileOutputStream("main:/layer/b/c/foo").close();
service.getFileOutputStream("main:/layer/b/c/foo").close();
service.createFile("main:/layer/b/c", "gallon").close();
service.createFile("main:/layer/b/c", "dram").close();
service.getFileOutputStream("main:/layer/b/c/bar").close();
service.getFileOutputStream("main:/layer/b/c/bar").close();
try
{
service.lookup(-1, "main:/a/b/c/froo");
AVMService service = (AVMService)fContext.getBean("avmService");
service.createLayeredDirectory("main:/a", "main:/", "layer");
// Modify something in an ordinary directory 3 times.
service.getFileOutputStream("main:/a/b/c/foo").close();
service.getFileOutputStream("main:/a/b/c/foo").close();
service.getFileOutputStream("main:/a/b/c/foo").close();
service.createFile("main:/a/b/c", "pint").close();
service.createFile("main:/a/b/c", "quart").close();
// Modify another file in the same directory.
service.getFileOutputStream("main:/a/b/c/bar").close();
service.getFileOutputStream("main:/a/b/c/bar").close();
service.lookup(-1, "main:/a/b/c");
service.createFile("main:/a/b/c", "figment").close();
// Repeat in a layer.
service.getFileOutputStream("main:/layer/b/c/foo").close();
service.getFileOutputStream("main:/layer/b/c/foo").close();
service.getFileOutputStream("main:/layer/b/c/foo").close();
service.createFile("main:/layer/b/c", "gallon").close();
service.createFile("main:/layer/b/c", "dram").close();
service.getFileOutputStream("main:/layer/b/c/bar").close();
service.getFileOutputStream("main:/layer/b/c/bar").close();
try
{
service.lookup(-1, "main:/a/b/c/froo");
}
catch (AVMException ae)
{
// Do nothing.
}
service.createDirectory("main:/a/b/c", "froo");
service.createFile("main:/a/b/c/froo", "franistan").close();
try
{
service.lookup(-1, "main:/layer/b/c/groo");
}
catch (AVMException ae)
{
// Do nothing.
}
service.createDirectory("main:/layer/b/c", "groo");
service.createFile("main:/layer/b/c/groo", "granistan").close();
return null;
}
catch (AVMException ae)
catch (IOException e)
{
// Do nothing.
e.printStackTrace();
fail();
return null;
}
service.createDirectory("main:/a/b/c", "froo");
service.createFile("main:/a/b/c/froo", "franistan").close();
try
{
service.lookup(-1, "main:/layer/b/c/groo");
}
catch (AVMException ae)
{
// Do nothing.
}
service.createDirectory("main:/layer/b/c", "groo");
service.createFile("main:/layer/b/c/groo", "granistan").close();
return null;
}
}
TransactionUtil.executeInUserTransaction((TransactionService)fContext.getBean("transactionComponent"),
new TxnWork());
RetryingTransactionHelper helper =
(RetryingTransactionHelper)fContext.getBean("retryingTransactionHelper");
helper.doInTransaction(new TxnCallback(), false);
assertNotNull(fService.lookup(-1, "main:/layer/b/c/groo"));
}
catch (Exception e)
{