Examples of jdbm.RecordManager.fetch()

jdbm.RecordManager.fetch()
Fetches a record using standard java object serialization. @param recid the recid for the record that must be fetched. @return the object contained in the record. @throws IOException when one of the underlying I/O operations fails.


        long rowid = recman.insert(data);


        assertTrue("check data1",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid), 1500, (byte) 1) );

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        assertEquals("old and new rowid", rowid, rowid2);


        assertTrue("check data2",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid2), 0, (byte) 2) );






        // now make the record a bit bigger

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        recman.update(rowid, data);


        assertTrue("check data3",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid), 10000, (byte) 3) );






        // .. and again

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        recman.update(rowid, data);


        assertTrue("check data3",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid), 30000, (byte) 4) );






        // close the file

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        long rowid1 = recman.insert(data1);


        assertTrue("check data1",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid1), 150000, (byte) 1) );






        // rollback transaction, should revert to previous state

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        long rowid2 = recman.insert(data2);


        assertTrue("check data2",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid2), 150000, (byte) 1) );






        assertEquals("old and new rowid", rowid1, rowid2);

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        rowid1 = recman.insert(data1);


        assertTrue("check data1",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid1), 150000, (byte) 2) );






        // rollback transaction, should revert to previous state

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        rowid2 = recman.insert(data2);


        assertTrue("check data2",


               TestUtil.checkRecord( (byte[]) recman.fetch(rowid2), 150000, (byte) 2) );






        assertEquals("old and new rowid", rowid1, rowid2);

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                    slot = getRandomAllocatedSlot(d);


                    byte[] data = (byte[]) recman.fetch(d[slot].rowid, ByteArraySerializer.INSTANCE );


                    assertTrue("fetch round=" + i + ", slot=" + slot


                    + ", " + d[slot],

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            long stop = 0;


            while (true) {


                recman.fetch( rowids[ rnd.nextInt( RECORDS ) ] );


                fetches++;


                if ((fetches % 25) == 0) {

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