Examples of wyil.lang.Modifier$Native

net.openhft.lang.values.LongValue$$Native

Represents a protection modifier on a module item. For example, all declarations (e.g. functions, types, etc) can be marked as public or private.

The modifiers native and export are used to enable inter-operation with other languages. By declaring a function or method as native you are signaling that its implementation is provided elsewhere (e.g. it's implemented in Java code directly). By marking a function or method with export, you are declaring that external code may call it. For example, you have some Java code that needs to call it. The modifier is required because, by default, all the names of all methods and functions are mangled to include type information and enable overloading. Therefore, a method/function marked with export will generate a function without name mangling.
@author David J. Pearce


        final SharedHashMap<IntValue, CharSequence> map = new SharedHashMapBuilder()
                .entries(1000)
                .entries(20000).file(getPersistenceFile()).kClass(IntValue.class).vClass(CharSequence.class).create();


        IntValue$$Native value = new IntValue$$Native();
        value.bytes(new ByteBufferBytes(ByteBuffer.allocateDirect(4)), 0);


        value.setValue(1);
        final String expected = "test";
        map.put(value, expected);


        final CharSequence actual = map.get(value);
        assertEquals(expected, actual);

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    private SharedHashMap<IntValue, CharSequence> map2;
    private IntValue$$Native value;


    @Before
    public void setup() throws IOException {
        value = new IntValue$$Native();
        value.bytes(new ByteBufferBytes(ByteBuffer.allocateDirect(4)), 0);
        map1 = newTcpSocketShmIntValueString((byte) 1, 8076, new InetSocketAddress("localhost", 8077));
        map2 = newTcpSocketShmIntValueString((byte) 2, 8077);
    }

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    }


    @Test
    public void testAcquireWithNullContainer() throws Exception {
        SharedHashMap<CharSequence, LongValue> map = getSharedMap(10 * 1000, 128, 24);
        map.acquireUsing("key", new LongValue$$Native());
        assertEquals(0, map.acquireUsing("key", null).getValue());


        map.close();
    }

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    }


    @Test
    public void testGetWithNullContainer() throws Exception {
        SharedHashMap<CharSequence, LongValue> map = getSharedMap(10 * 1000, 128, 24);
        map.acquireUsing("key", new LongValue$$Native());
        assertEquals(0, map.getUsing("key", null).getValue());


        map.close();
    }

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    }


    @Test
    public void testGetWithoutAcquireFirst() throws Exception {
        SharedHashMap<CharSequence, LongValue> map = getSharedMap(10 * 1000, 128, 24);
        assertNull(map.getUsing("key", new LongValue$$Native()));


        map.close();
    }

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    }


    public void testAcquireAndGet(SharedHashMap<CharSequence, LongValue> map, int entries)
            throws IOException, ClassNotFoundException, IllegalAccessException,
            InstantiationException {
        LongValue value = new LongValue$$Native();
        LongValue value2 = new LongValue$$Native();
        LongValue value3 = new LongValue$$Native();


        for (int j = 1; j <= 3; j++) {
            for (int i = 0; i < entries; i++) {
                CharSequence userCS = getUserCharSequence(i);


                if (j > 1) {
                    assertNotNull(map.getUsing(userCS, value));
                } else {
                    map.acquireUsing(userCS, value);
                }
                assertEquals(j - 1, value.getValue());


                value.addAtomicValue(1);


                assertEquals(value2, map.acquireUsing(userCS, value2));
                assertEquals(j, value2.getValue());


                assertEquals(value3, map.getUsing(userCS, value3));
                assertEquals(j, value3.getValue());
            }
        }


        map.close();
    }

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    public void testAcquireFromMultipleThreads(SharedHashMap<CharSequence, LongValue> map)
            throws Exception {


        CharSequence key = getUserCharSequence(0);
        map.acquireUsing(key, new LongValue$$Native());


        int iterations = 1000;
        int noOfThreads = 10;
        CyclicBarrier barrier = new CyclicBarrier(noOfThreads);


        Thread[] threads = new Thread[noOfThreads];
        for (int t = 0; t < noOfThreads; t++) {
            threads[t] = new Thread(new IncrementRunnable(map, key, iterations, barrier));
            threads[t].start();
        }
        for (int t = 0; t < noOfThreads; t++) {
            threads[t].join();
        }


        assertEquals(noOfThreads * iterations, map.acquireUsing(key, new LongValue$$Native()).getValue());


        map.close();
    }

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            }
        }
    }


    public static LongValue nativeLongValue() {
        return new LongValue$$Native();
    }

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        }


        @Override
        public void run() {
            try {
                LongValue value = new LongValue$$Native();
                barrier.await();
                for (int i = 0; i < iterations; i++) {
                    map.acquireUsing(key, value);
                    value.addAtomicValue(1);
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

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