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Code Issues Projects Releases Wiki Activity

Don't start transactions while holding locks. #272

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akwizgran
2016-03-29 15:21:46 +01:00
parent 685a864b43
commit e58ca00979
6 changed files with 200 additions and 180 deletions
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7
briar-api/src/org/briarproject/api/db/DatabaseComponent.java
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@@ -26,10 +26,6 @@ import java.util.Map;
/**
* Encapsulates the database implementation and exposes high-level operations
* to other components.
* <p/>
* This interface's methods are blocking, but they do not call out into other
* components except to broadcast {@link org.briarproject.api.event.Event
* Events}, so they can safely be called while holding locks.
*/
public interface DatabaseComponent {
@@ -45,6 +41,9 @@ public interface DatabaseComponent {
/**
* Starts a new transaction and returns an object representing it.
* <p/>
* This method acquires locks, so it must not be called while holding a
* lock.
* @param readOnly true if the transaction will only be used for reading.
*/
Transaction startTransaction(boolean readOnly) throws DbException;