TaxonomyWriter
DirectoryTaxonomyWriter
, IndexWriter
, TwoPhaseCommitTool.TwoPhaseCommitWrapper
public interface TwoPhaseCommit
TwoPhaseCommitTool
to execute a 2-phase commit algorithm over several
TwoPhaseCommit
s.Modifier and Type | Method | Description |
---|---|---|
void |
commit() |
The second phase of a 2-phase commit.
|
void |
commit(Map<String,String> commitData) |
Like
commit() , but takes an additional commit data to be included
w/ the commit. |
void |
prepareCommit() |
The first stage of a 2-phase commit.
|
void |
prepareCommit(Map<String,String> commitData) |
Like
commit() , but takes an additional commit data to be included
w/ the commit. |
void |
rollback() |
Discards any changes that have occurred since the last commit.
|
void prepareCommit() throws IOException
rollback()
is called to discard all changes
since last successful commit.IOException
void prepareCommit(Map<String,String> commitData) throws IOException
commit()
, but takes an additional commit data to be included
w/ the commit.
NOTE: some implementations may not support any custom data to be included w/ the commit and may discard it altogether. Consult the actual implementation documentation for verifying if this is supported.
IOException
prepareCommit()
void commit() throws IOException
prepareCommit()
, and
after it returns, the caller can assume that the changes were successfully
committed to the underlying storage.IOException
void commit(Map<String,String> commitData) throws IOException
commit()
, but takes an additional commit data to be included
w/ the commit.IOException
commit()
,
prepareCommit(Map)
void rollback() throws IOException
commit()
or
prepareCommit()
, this method is used to roll all other objects
back to their previous state.IOException
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