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/*
* Copyright (C) 2013, Robin Rosenberg <robin.rosenberg@dewire.com> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.lib;
import java.io.IOException;
import java.util.List;
/**
* Utility for reading reflog entries
*
* @since 3.0
*/
public interface ReflogReader {
/**
* Get the last entry in the reflog
*
* @return the latest reflog entry, or null if no log
* @throws java.io.IOException
* if an IO error occurred
*/
ReflogEntry getLastEntry() throws IOException;
/**
* Get all reflog entries in reverse order
*
* @return all reflog entries in reverse order
* @throws java.io.IOException
* if an IO error occurred
*/
List<ReflogEntry> getReverseEntries() throws IOException;
/**
* Get specific entry in the reflog relative to the last entry which is
* considered entry zero.
*
* @param number
* a int.
* @return reflog entry or null if not found
* @throws java.io.IOException
* if an IO error occurred
*/
ReflogEntry getReverseEntry(int number) throws IOException;
/**
* Get all reflog entries in reverse order
*
* @param max
* max number of entries to read
* @return all reflog entries in reverse order
* @throws java.io.IOException
* if an IO error occurred
*/
List<ReflogEntry> getReverseEntries(int max) throws IOException;
}
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