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java.lang.Objectorg.alfresco.repo.domain.control.AbstractControlDAOImpl
public abstract class AbstractControlDAOImpl
Abstract implementation for connection controlling DAO.
Provides any basic logic.
Constructor Summary | |
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AbstractControlDAOImpl()
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Method Summary | |
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java.sql.Savepoint |
createSavepoint(java.lang.String savepoint)
Create a "Save Point" in the current transaction, for later selective rollback. |
void |
releaseSavepoint(java.sql.Savepoint savepoint)
No-op |
void |
rollbackToSavepoint(java.sql.Savepoint savepoint)
No-op |
int |
setTransactionIsolationLevel(int isolationLevel)
Change the current transaction isolation level. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.alfresco.repo.domain.control.ControlDAO |
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executeBatch, startBatch |
Constructor Detail |
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public AbstractControlDAOImpl()
Method Detail |
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public java.sql.Savepoint createSavepoint(java.lang.String savepoint)
ControlDAO
ControlDAO.rollbackToSavepoint(Savepoint)
or ControlDAO.releaseSavepoint(Savepoint)
.
Savepoint savepoint = controlDAO.createSavepoint("functionF");
try
{
// Do something that could fail e.g. blind insert that might violate unique constraints
...
// Success, so remove savepoint or risk crashing on long-running transactions
controlDAO.releaseSavepoint(savepoint);
}
catch (Throwable e)
{
controlDAO.rollbackToSavepoint(savepoint);
// Throw something that client code might be able to react to or try something else
...
}
createSavepoint
in interface ControlDAO
savepoint
- the name of the save point
public void rollbackToSavepoint(java.sql.Savepoint savepoint)
rollbackToSavepoint
in interface ControlDAO
savepoint
- a previously-created savepointControlDAO.createSavepoint(String)
public void releaseSavepoint(java.sql.Savepoint savepoint)
releaseSavepoint
in interface ControlDAO
savepoint
- the name of the save pointControlDAO.createSavepoint(String)
public int setTransactionIsolationLevel(int isolationLevel)
ControlDAO
setTransactionIsolationLevel
in interface ControlDAO
isolationLevel
- the transaction isolation level
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