public static interface ChangeReader.ChangeTxn
Modifier and Type | Method and Description |
---|---|
void |
discardChanges(Transaction txn)
Called when the changes in this transaction have been transferred to
the external system, and they can be discarded locally.
|
java.util.Set<java.lang.String> |
getDatabaseNames()
Returns the names of all local databases that are effected by this
transaction and that are part of a single data set (specified by
getDataSetName).
|
java.lang.String |
getDataSetName()
Returns the name of the data set to which this transaction should be
applied.
|
java.util.Iterator<ChangeReader.Change> |
getOperations()
Returns an iterator over the changes in this transactions, for a
single data set (specified by getDataSetName).
|
long |
getTransactionId()
Returns the transction ID that can be shared with the external
system.
|
long getTransactionId()
java.lang.String getDataSetName()
java.util.Set<java.lang.String> getDatabaseNames()
java.util.Iterator<ChangeReader.Change> getOperations()
This method may be called more than once for a single transaction to iterate over the changes multiple times.
void discardChanges(Transaction txn)
The changes will not be discarded until the given txn has been committed. By using an XA transaction, the changes can be discarded locally only if they are also committed in the external system.
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