Package krati.store

Examples of krati.store.DataStoreHandler

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        data2 = h.assembleEntries(entries);
        assertTrue(Arrays.equals(data1, data2));
    }
   
    public void testApiNullValues() {
        DataStoreHandler h = createDataStoreHandler();
        byte[] data;
       
        byte[] key = randomBytes(8);
        byte[] value = null;
       
        data = h.assemble(key, value);
        assertEquals(null, data);
       
        byte[] key1 = randomBytes(32);
        byte[] value1 = randomBytes(1024);
       
        byte[] data1 = h.assemble(key1, value1);
        byte[] data2 = h.assemble(key1, value1, null);
        assertTrue(Arrays.equals(data1, data2));
       
        byte[] data3 = h.assemble(key, value, data1);
        assertTrue(Arrays.equals(data1, data3));
       
        assertEquals(null, h.extractByKey(key, data1));
        assertEquals(data1.length, h.removeByKey(key, data1));
    }
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        value3 = randomValue();
        applyBasicOps(key1, value1, key2, value2, key3, value3);
    }
   
    private void applyBasicOps(byte[] key1, byte[] value1, byte[] key2, byte[] value2, byte[] key3, byte[] value3) {
        DataStoreHandler h = createDataStoreHandler();
        byte[] data;
       
        byte[] data1 = h.assemble(key1, value1);
        byte[] data2 = h.assemble(key1, value1, null);
        assertTrue(Arrays.equals(data1, data2));
        data2 = h.assemble(key1, value1, new byte[0]);
        assertTrue(Arrays.equals(data1, data2));
       
        data = h.assemble(key1, value1);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertEquals(1, h.countCollisions(key1, data));
       
        data = h.assemble(key2, value2, data);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(2, h.countCollisions(key1, data));
        assertEquals(2, h.countCollisions(key2, data));
       
        data = h.assemble(key3, value3, data);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertTrue(Arrays.equals(value3, h.extractByKey(key3, data)));
        assertEquals(3, h.countCollisions(key1, data));
        assertEquals(3, h.countCollisions(key2, data));
        assertEquals(3, h.countCollisions(key3, data));
       
        int newLength = h.removeByKey(key3, data);
        data = Arrays.copyOf(data, newLength);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(null, h.extractByKey(key3, data));
        assertEquals(2, h.countCollisions(key1, data));
        assertEquals(2, h.countCollisions(key2, data));
        assertEquals(-2, h.countCollisions(key3, data));
       
        newLength = h.removeByKey(key1, data);
        data = Arrays.copyOf(data, newLength);
        assertEquals(null, h.extractByKey(key1, data));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(-1, h.countCollisions(key1, data));
        assertEquals(1, h.countCollisions(key2, data));
       
        newLength = h.removeByKey(key2, data);
        data = Arrays.copyOf(data, newLength);
        assertEquals(null, h.extractByKey(key1, data));
        assertEquals(0, h.countCollisions(key1, data));
        assertEquals(null, h.extractByKey(key2, data));
        assertEquals(0, h.countCollisions(key2, data));
        assertEquals(null, h.extractByKey(key3, data));
        assertEquals(0, h.countCollisions(key3, data));
       
        data1 = h.assemble(key1, value1);
        data1 = h.assemble(key2, value2, data1);
        data1 = h.assemble(key3, value3, data1);
       
        List<byte[]> keys = h.extractKeys(data1);
        assertEquals(3, keys.size());
        List<Entry<byte[], byte[]>> entries = h.extractEntries(data1);
        assertEquals(3, entries.size());
       
        data2 = h.assembleEntries(entries);
        assertTrue(Arrays.equals(data1, data2));
    }
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        data2 = h.assembleEntries(entries);
        assertTrue(Arrays.equals(data1, data2));
    }
   
    public void testApiNullValues() {
        DataStoreHandler h = createDataStoreHandler();
        byte[] data;
       
        byte[] key = randomBytes(8);
        byte[] value = null;
       
        data = h.assemble(key, value);
        assertEquals(null, data);
       
        byte[] key1 = randomBytes(32);
        byte[] value1 = randomValue();
       
        byte[] data1 = h.assemble(key1, value1);
        byte[] data2 = h.assemble(key1, value1, null);
        assertTrue(Arrays.equals(data1, data2));
       
        byte[] data3 = h.assemble(key, value, data1);
        assertTrue(Arrays.equals(data1, data3));
       
        assertEquals(null, h.extractByKey(key, data1));
        assertEquals(data1.length, h.removeByKey(key, data1));
    }
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        value3 = nextValue();
        applyBasicOps(key1, value1, key2, value2, key3, value3);
    }
   
    protected void applyBasicOps(byte[] key1, byte[] value1, byte[] key2, byte[] value2, byte[] key3, byte[] value3) {
        DataStoreHandler h = createDataStoreHandler();
        byte[] data;
       
        byte[] data1 = h.assemble(key1, value1);
        byte[] data2 = h.assemble(key1, value1, null);
        assertTrue(Arrays.equals(data1, data2));
        data2 = h.assemble(key1, value1, new byte[0]);
        assertTrue(Arrays.equals(data1, data2));
       
        data = h.assemble(key1, value1);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertEquals(1, h.countCollisions(key1, data));
       
        data = h.assemble(key2, value2, data);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(2, h.countCollisions(key1, data));
        assertEquals(2, h.countCollisions(key2, data));
       
        data = h.assemble(key3, value3, data);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertTrue(Arrays.equals(value3, h.extractByKey(key3, data)));
        assertEquals(3, h.countCollisions(key1, data));
        assertEquals(3, h.countCollisions(key2, data));
        assertEquals(3, h.countCollisions(key3, data));
       
        int newLength = h.removeByKey(key3, data);
        data = Arrays.copyOf(data, newLength);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(null, h.extractByKey(key3, data));
        assertEquals(2, h.countCollisions(key1, data));
        assertEquals(2, h.countCollisions(key2, data));
        assertEquals(-2, h.countCollisions(key3, data));
       
        newLength = h.removeByKey(key1, data);
        data = Arrays.copyOf(data, newLength);
        assertEquals(null, h.extractByKey(key1, data));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(-1, h.countCollisions(key1, data));
        assertEquals(1, h.countCollisions(key2, data));
       
        newLength = h.removeByKey(key2, data);
        data = Arrays.copyOf(data, newLength);
        assertEquals(null, h.extractByKey(key1, data));
        assertEquals(0, h.countCollisions(key1, data));
        assertEquals(null, h.extractByKey(key2, data));
        assertEquals(0, h.countCollisions(key2, data));
        assertEquals(null, h.extractByKey(key3, data));
        assertEquals(0, h.countCollisions(key3, data));
       
        data1 = h.assemble(key1, value1);
        data1 = h.assemble(key2, value2, data1);
        data1 = h.assemble(key3, value3, data1);
       
        List<byte[]> keys = h.extractKeys(data1);
        assertEquals(3, keys.size());
        List<Entry<byte[], byte[]>> entries = h.extractEntries(data1);
        assertEquals(3, entries.size());
       
        data2 = h.assembleEntries(entries);
        assertTrue(Arrays.equals(data1, data2));
    }
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        data2 = h.assembleEntries(entries);
        assertTrue(Arrays.equals(data1, data2));
    }
   
    public void testApiNullValues() {
        DataStoreHandler h = createDataStoreHandler();
        byte[] data;
       
        byte[] key = nextKey();
        byte[] value = null;
       
        data = h.assemble(key, value);
        assertEquals(null, data);
       
        byte[] key1 = nextKey();
        byte[] value1 = nextValue();
       
        byte[] data1 = h.assemble(key1, value1);
        byte[] data2 = h.assemble(key1, value1, null);
        assertTrue(Arrays.equals(data1, data2));
       
        byte[] data3 = h.assemble(key, value, data1);
        assertTrue(Arrays.equals(data1, data3));
       
        assertEquals(null, h.extractByKey(key, data1));
        assertEquals(data1.length, h.removeByKey(key, data1));
    }
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    public void testApiExtract() {
        byte[] data = null;
        byte[] key, value;
       
        DataStoreHandler h = createDataStoreHandler();
        Map<byte[], byte[]> kvMap = new HashMap<byte[], byte[]>();
        Set<String> keySet = new HashSet<String>();
        Set<String> valueSet = new HashSet<String>();
       
        int cnt = rand.nextInt(100) + 1;
        for(int i = 0; i < cnt; i++) {
            key = nextKey();
            value = nextValue();
            data = h.assemble(key, value, data);
           
            kvMap.put(key, value);
            keySet.add(new String(key));
            valueSet.add(new String(value));
           
            byte[] v = h.extractByKey(key, data);
            assertTrue(Arrays.equals(value, v));
        }
       
        assertEquals(cnt, kvMap.size());
        for(byte[] k : kvMap.keySet()) {
            byte[] v = h.extractByKey(k, data);
            assertTrue(Arrays.equals(v, kvMap.get(k)));
        }
       
        byte[] aKey = nextKey();
        byte[] aValue = h.extractByKey(aKey, data);
        assertTrue(aValue == null);
        if(data != null) {
            int numBytes = h.removeByKey(aKey, data);
            assertEquals(data.length, numBytes);
        }
       
        List<byte[]> keys = h.extractKeys(data);
        if(data != null) {
            assertEquals(cnt, keys.size());
            for(byte[] k : keys) {
                assertTrue(keySet.contains(new String(k)));
            }
        } else {
            assertTrue(keys == null);
        }
       
        List<byte[]> values = h.extractValues(data);
        if(data != null) {
            assertEquals(cnt, values.size());
            for(byte[] v : values) {
                assertTrue(valueSet.contains(new String(v)));
            }
        } else {
            assertTrue(values == null);
        }
       
        List<Entry<byte[], byte[]>> entries = h.extractEntries(data);
        if(data != null) {
            byte[] data2 = h.assembleEntries(entries);
            assertTrue(Arrays.equals(data, data2));
        }
    }
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        value3 = randomBytes(0);
        applyBasicOps(key1, value1, key2, value2, key3, value3);
    }
   
    private void applyBasicOps(byte[] key1, byte[] value1, byte[] key2, byte[] value2, byte[] key3, byte[] value3) {
        DataStoreHandler h = createDataStoreHandler();
        byte[] data;
       
        byte[] data1 = h.assemble(key1, value1);
        byte[] data2 = h.assemble(key1, value1, null);
        assertTrue(Arrays.equals(data1, data2));
        data2 = h.assemble(key1, value1, new byte[0]);
        assertTrue(Arrays.equals(data1, data2));
       
        data = h.assemble(key1, value1);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertEquals(1, h.countCollisions(key1, data));
       
        data = h.assemble(key2, value2, data);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(2, h.countCollisions(key1, data));
        assertEquals(2, h.countCollisions(key2, data));
       
        data = h.assemble(key3, value3, data);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertTrue(Arrays.equals(value3, h.extractByKey(key3, data)));
        assertEquals(3, h.countCollisions(key1, data));
        assertEquals(3, h.countCollisions(key2, data));
        assertEquals(3, h.countCollisions(key3, data));
       
        int newLength = h.removeByKey(key3, data);
        data = Arrays.copyOf(data, newLength);
        assertTrue(Arrays.equals(value1, h.extractByKey(key1, data)));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(null, h.extractByKey(key3, data));
        assertEquals(2, h.countCollisions(key1, data));
        assertEquals(2, h.countCollisions(key2, data));
        assertEquals(-2, h.countCollisions(key3, data));
       
        newLength = h.removeByKey(key1, data);
        data = Arrays.copyOf(data, newLength);
        assertEquals(null, h.extractByKey(key1, data));
        assertTrue(Arrays.equals(value2, h.extractByKey(key2, data)));
        assertEquals(-1, h.countCollisions(key1, data));
        assertEquals(1, h.countCollisions(key2, data));
       
        newLength = h.removeByKey(key2, data);
        data = Arrays.copyOf(data, newLength);
        assertEquals(null, h.extractByKey(key1, data));
        assertEquals(0, h.countCollisions(key1, data));
        assertEquals(null, h.extractByKey(key2, data));
        assertEquals(0, h.countCollisions(key2, data));
        assertEquals(null, h.extractByKey(key3, data));
        assertEquals(0, h.countCollisions(key3, data));
       
        data1 = h.assemble(key1, value1);
        data1 = h.assemble(key2, value2, data1);
        data1 = h.assemble(key3, value3, data1);
       
        List<byte[]> keys = h.extractKeys(data1);
        assertEquals(3, keys.size());
        List<Entry<byte[], byte[]>> entries = h.extractEntries(data1);
        assertEquals(3, entries.size());
       
        data2 = h.assembleEntries(entries);
        assertTrue(Arrays.equals(data1, data2));
    }
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Related Classes of krati.store.DataStoreHandler

  • test.store.handler.AbstractTestDataStoreHandler
  • test.store.handler.TestDataStoreHandler
  • test.store.handler.TestHashIndexDataHandler1
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