private class SnapshotDeletionPolicy.SnapshotCommitPoint extends IndexCommit
IndexCommit
and prevents it
from being deleted.Modifier and Type | Field and Description |
---|---|
protected IndexCommit |
cp
The
IndexCommit we are preventing from deletion. |
Modifier | Constructor and Description |
---|---|
protected |
SnapshotCommitPoint(IndexCommit cp)
Creates a
SnapshotCommitPoint wrapping the provided
IndexCommit . |
Modifier and Type | Method and Description |
---|---|
void |
delete()
Delete this commit point.
|
Directory |
getDirectory()
Returns the
Directory for the index. |
java.util.Collection<java.lang.String> |
getFileNames()
Returns all index files referenced by this commit point.
|
long |
getGeneration()
Returns the generation (the _N in segments_N) for this
IndexCommit
|
int |
getSegmentCount()
Returns number of segments referenced by this commit.
|
java.lang.String |
getSegmentsFileName()
Get the segments file (
segments_N ) associated
with this commit point. |
java.util.Map<java.lang.String,java.lang.String> |
getUserData()
Returns userData, previously passed to
IndexWriter.setLiveCommitData(Iterable) for this commit. |
boolean |
isDeleted()
Returns true if this commit should be deleted; this is
only used by
IndexWriter after invoking the
IndexDeletionPolicy . |
java.lang.String |
toString() |
compareTo, equals, getReader, hashCode
protected IndexCommit cp
IndexCommit
we are preventing from deletion.protected SnapshotCommitPoint(IndexCommit cp)
SnapshotCommitPoint
wrapping the provided
IndexCommit
.public java.lang.String toString()
toString
in class java.lang.Object
public void delete()
IndexCommit
Upon calling this, the writer is notified that this commit point should be deleted.
Decision that a commit-point should be deleted is taken by the IndexDeletionPolicy
in effect
and therefore this should only be called by its onInit()
or
onCommit()
methods.
delete
in class IndexCommit
public Directory getDirectory()
IndexCommit
Directory
for the index.getDirectory
in class IndexCommit
public java.util.Collection<java.lang.String> getFileNames() throws java.io.IOException
IndexCommit
getFileNames
in class IndexCommit
java.io.IOException
public long getGeneration()
IndexCommit
getGeneration
in class IndexCommit
public java.lang.String getSegmentsFileName()
IndexCommit
segments_N
) associated
with this commit point.getSegmentsFileName
in class IndexCommit
public java.util.Map<java.lang.String,java.lang.String> getUserData() throws java.io.IOException
IndexCommit
IndexWriter.setLiveCommitData(Iterable)
for this commit. Map is
String -> String
.getUserData
in class IndexCommit
java.io.IOException
public boolean isDeleted()
IndexCommit
IndexWriter
after invoking the
IndexDeletionPolicy
.isDeleted
in class IndexCommit
public int getSegmentCount()
IndexCommit
getSegmentCount
in class IndexCommit