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Java > Open Source Codes > com > sleepycat > je > log > entry > INContainingEntry


1 /*
2  * See the file LICENSE for redistribution information.
3  *
4  * Copyright (c) 2002,2006 Oracle. All rights reserved.
5  *
6  * $Id: INContainingEntry.java,v 1.16 2006/10/30 21:14:21 bostic Exp $
7  */
8
9 package com.sleepycat.je.log.entry;
10
11 import com.sleepycat.je.DatabaseException;
12 import com.sleepycat.je.dbi.DatabaseId;
13 import com.sleepycat.je.dbi.EnvironmentImpl;
14 import com.sleepycat.je.tree.IN;
15
16 /**
17  * An INContainingEntry is a log entry that contains internal nodes.
18  */
19 public interface INContainingEntry {
20     
21     /**
22      * @return the IN held within this log entry.
23      */
24     public IN getIN(EnvironmentImpl env)
25         throws DatabaseException;
26     
27     /**
28      * @return the database id held within this log entry.
29      */
30     public DatabaseId getDbId();
31
32     /**
33      * @return the LSN that represents this IN.
34      */
35     public long getLsnOfIN(long lastReadLsn);
36 }
37
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