List of prefixLookup() Examples

Examples of prefixLookup()

org.xtreemfs.babudb.api.database.Database.prefixLookup()
org.xtreemfs.babudb.api.database.DatabaseRO.prefixLookup()
Executes a prefix lookup. The result object contains an iterator to the database starting at the first matching key and returning key/value pairs in ascending order. @param indexId index id (0..NumIndices-1) @param key the key to start the iterator at @param context arbitrary context which is passed to the listener. @return a future as proxy for the request result.
org.xtreemfs.babudb.index.LSMTree.prefixLookup()
Performs a prefix lookup. Key-value paris are returned in an iterator in ascending key order, where only such keys are returned with a matching prefix according to the comparator. @param prefix the prefix @return an iterator with key-value pairs
org.xtreemfs.babudb.index.overlay.MultiOverlayBufferTree.prefixLookup()

Examples of org.xtreemfs.babudb.index.LSMTree.prefixLookup()

        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());
        
        // real (empty) prefix lookup, current tree, descending
        it = tree.prefixLookup("XXXXXXXX".getBytes(), false);
        itExpected = map3.descendingMap().subMap("XXXXXXXY".getBytes(), false, "XXXXXXXX".getBytes(), true)
                .values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());

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Examples of org.xtreemfs.babudb.index.overlay.MultiOverlayBufferTree.prefixLookup()

                assertEquals(mapVal, val);
            else
                assertTrue(val == null || val.length == 0);
        }
        
        Iterator<Entry<byte[], byte[]>> it = tree.prefixLookup(null, false, true);
        Iterator<byte[]> itExpected = map3.values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());

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Examples of org.xtreemfs.babudb.index.overlay.MultiOverlayBufferTree.prefixLookup()

        Iterator<byte[]> itExpected = map3.values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());
        
        it = tree.prefixLookup(null, snap1, false, true);
        itExpected = map1.values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());

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Examples of org.xtreemfs.babudb.index.overlay.MultiOverlayBufferTree.prefixLookup()

        itExpected = map1.values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());
        
        it = tree.prefixLookup(null, snap2, false, true);
        itExpected = map2.values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());

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Examples of org.xtreemfs.babudb.index.overlay.MultiOverlayBufferTree.prefixLookup()

        itExpected = map2.values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());
        
        it = tree.prefixLookup("3".getBytes(), false, true);
        itExpected = map3.subMap("3", "4").values().iterator();
        while (it.hasNext())
            assertEquals(itExpected.next(), it.next().getValue());
        assertFalse(itExpected.hasNext());
    }

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