Examples of com.sleepycat.je.log.SearchFileReader

com.sleepycat.je.log.SearchFileReader
SearchFileReader searches for the a given entry type.

        long eofLsn = envImpl.getFileManager().getNextLsn();
        long lastLsn = envImpl.getFileManager().getLastUsedLsn();
        long truncateLsn;


        /* Searching backward from end, find last CkptEnd. */
        SearchFileReader searcher = 
            new SearchFileReader(envImpl, 1000, false, lastLsn, eofLsn,
                                 LogEntryType.LOG_CKPT_END);
        assertTrue(searcher.readNextEntry());
        long ckptEnd = searcher.getLastLsn();


        if (truncateFileSummariesAlso) {


            /* Searching backward from CkptEnd, find last CkptStart. */
            searcher = 
                new SearchFileReader(envImpl, 1000, false, ckptEnd, eofLsn,
                                     LogEntryType.LOG_CKPT_START);
            assertTrue(searcher.readNextEntry());
            long ckptStart = searcher.getLastLsn();


            /* Searching forward from CkptStart, find first FileSummaryLN. */
            searcher = 
                new SearchFileReader(envImpl, 1000, true, ckptStart, eofLsn,
                                     LogEntryType.LOG_FILESUMMARYLN);
            assertTrue(searcher.readNextEntry());
            truncateLsn = searcher.getLastLsn();
        } else {
            truncateLsn = ckptEnd;
        }
        
        /*

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     * Check what's in the database log
     */
    private void checkDatabaseLog(List expectedList)
        throws DatabaseException, IOException {


        SearchFileReader searcher = 
            new SearchFileReader(env, 1000, true, DbLsn.NULL_LSN,
         DbLsn.NULL_LSN, LogEntryType.LOG_TRACE);


        int numSeen = 0;
        while (searcher.readNextEntry()) {
            Tracer dRec = (Tracer) searcher.getLastObject();
            assertEquals("Should see this as " + numSeen + " record: ",
       ((Tracer) expectedList.get(numSeen)).getMessage(),
                         dRec.getMessage());
            numSeen++;
        }

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             * LN.
             */


            env = new Environment(envHome, null);
            EnvironmentImpl envImpl = DbInternal.envGetEnvironmentImpl(env);
            SearchFileReader searcher = 
                new SearchFileReader(envImpl, 1000, true, DbLsn.NULL_LSN,
             DbLsn.NULL_LSN, LogEntryType.LOG_DIN);
            searcher.readNextEntry();
            long dinLsn = searcher.getLastLsn();


            searcher = 
                new SearchFileReader(envImpl, 1000, true, dinLsn,
             DbLsn.NULL_LSN,
                                     LogEntryType.LOG_LN_TRANSACTIONAL);
            searcher.readNextEntry();
            long lnLsn = searcher.getLastLsn();
            
            env.close();


            /*
             *  Truncate the log, sometimes before the DIN, sometimes after.

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Related Classes of com.sleepycat.je.log.SearchFileReader

com.sleepycat.je.cleaner.INUtilizationTest

com.sleepycat.je.recovery.RecoveryCreateDupTest

com.sleepycat.je.util.DebugRecordTest

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