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SnapshotDeletionPolicy.h
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1 // Copyright (c) 2009-2014 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6 
7 #ifndef SNAPSHOTDELETIONPOLICY_H
8 #define SNAPSHOTDELETIONPOLICY_H
9 
10 #include "IndexDeletionPolicy.h"
11 
12 namespace Lucene {
13 
15 public:
18 
20 
21 protected:
24  String _snapshot;
25 
26 public:
29  virtual void onInit(Collection<IndexCommitPtr> commits);
30 
33  virtual void onCommit(Collection<IndexCommitPtr> commits);
34 
41 
43  virtual void release();
44 
45 protected:
47 
48  friend class MyCommitPoint;
49 };
50 
51 }
52 
53 #endif
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Policy for deletion of stale index commits. Implement this interface, and pass it to one of the Index...
Definition: IndexDeletionPolicy.h:27
Definition: SnapshotDeletionPolicy.h:14
virtual void onCommit(Collection< IndexCommitPtr > commits)
This is called each time the writer completed a commit. This gives the policy a chance to remove old ...
virtual void onInit(Collection< IndexCommitPtr > commits)
This is called once when a writer is first instantiated to give the policy a chance to remove old com...
IndexCommitPtr lastCommit
Definition: SnapshotDeletionPolicy.h:19
Collection< IndexCommitPtr > wrapCommits(Collection< IndexCommitPtr > commits)
virtual void release()
Release the currently held snapshot.
String _snapshot
Definition: SnapshotDeletionPolicy.h:24
virtual IndexCommitPtr snapshot()
Take a snapshot of the most recent commit to the index. You must call release() to free this snapshot...
IndexDeletionPolicyPtr primary
Definition: SnapshotDeletionPolicy.h:23
SnapshotDeletionPolicy(const IndexDeletionPolicyPtr &primary)
Definition: AbstractAllTermDocs.h:12
boost::shared_ptr< IndexCommit > IndexCommitPtr
Definition: LuceneTypes.h:152
boost::shared_ptr< IndexDeletionPolicy > IndexDeletionPolicyPtr
Definition: LuceneTypes.h:153

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