Examples of com.orientechnologies.common.directmemory.ODirectMemory.moveData()

com.orientechnologies.common.directmemory.ODirectMemory.moveData()
Performs copying of raw data in memory from one position to another. @param srcPointer Memory pointer, returned by {@link #allocate(long)} method, from which data will be copied. @param destPointer Memory pointer to which data will be copied. @param len Data length.

    rnd.nextBytes(value);


    long pointer = directMemory.allocate(value.length);
    directMemory.set(pointer, value, 0, value.length);


    directMemory.moveData(pointer, pointer + value.length / 2, value.length / 2);


    System.arraycopy(value, 0, value, value.length / 2, value.length / 2);


    Assert.assertEquals(value, directMemory.get(pointer, value.length));

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    rnd.nextBytes(value);


    long pointer = directMemory.allocate(value.length);
    directMemory.set(pointer, value, 0, value.length);


    directMemory.moveData(pointer, pointer + 1, value.length / 3);


    System.arraycopy(value, 0, value, 1, value.length / 3);


    Assert.assertEquals(value, directMemory.get(pointer, value.length));

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    rnd.nextBytes(value);


    long pointer = directMemory.allocate(value.length);
    directMemory.set(pointer, value, 0, value.length);


    directMemory.moveData(pointer + 2, pointer + 5, value.length / 3);


    System.arraycopy(value, 2, value, 5, value.length / 3);


    Assert.assertEquals(value, directMemory.get(pointer, value.length));

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