SnapshotDeletionPolicy.h

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// Copyright (c) 2009-2014 Alan Wright. All rights reserved.
// Distributable under the terms of either the Apache License (Version 2.0)
// or the GNU Lesser General Public License.
 
#ifndef SNAPSHOTDELETIONPOLICY_H
#define SNAPSHOTDELETIONPOLICY_H
 
#include "IndexDeletionPolicy.h"
 
namespace Lucene {
 
class LPPAPI SnapshotDeletionPolicy : public IndexDeletionPolicy {
public:
    SnapshotDeletionPolicy(const IndexDeletionPolicyPtr& primary);
    virtual ~SnapshotDeletionPolicy();
 
    LUCENE_CLASS(SnapshotDeletionPolicy);
 
protected:
    IndexCommitPtr lastCommit;
    IndexDeletionPolicyPtr primary;
    String _snapshot;
 
public:
    virtual void onInit(Collection<IndexCommitPtr> commits);

    virtual void onCommit(Collection<IndexCommitPtr> commits);

    virtual IndexCommitPtr snapshot();

    virtual void release();
 
protected:
    Collection<IndexCommitPtr> wrapCommits(Collection<IndexCommitPtr> commits);
 
    friend class MyCommitPoint;
};
 
}
 
#endif