Examples of com.orientechnologies.common.directmemory.ODirectMemoryPointer

Package com.orientechnologies.common.directmemory

Examples of com.orientechnologies.common.directmemory.ODirectMemoryPointer

com.orientechnologies.common.directmemory.ODirectMemoryPointer
in bytes //..do something pointer.free(); but usually you will work with disk based data structures which work using disk cache so you will not allocate direct memory by yourself. @author Andrey Lomakin Andrey Lomakin @since 10/19/13


    // 8, 9, 10, 11, 20
    pageChanges.addChanges(21, new byte[] { 12, 13, 14, 15 }, new byte[] { 9, 10, 11, 20 });
    // 8, 12, 13, 14, 15


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 5), new byte[] { 0, 4, 5, 6, 7 });
    Assert.assertEquals(pointer.get(20 + ODurablePage.PAGE_PADDING, 5), new byte[] { 8, 12, 13, 14, 15 });


    pageChanges.revertChanges(pointer);
    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 5), new byte[] { 3, 2, 1, 0, 10 });
    Assert.assertEquals(pointer.get(20 + ODurablePage.PAGE_PADDING, 5), new byte[] { 11, 10, 9, 8, 20 });


    pointer.free();
  }

View Full Code Here

    OPageChanges pageChanges = new OPageChanges();
    pageChanges.addChanges(10, new byte[] { 0, 1, 2, 3 }, new byte[] { 3, 2, 1, 0 });
    pageChanges.addChanges(14, new byte[] { 4, 5, 6, 7 }, new byte[] { 7, 6, 5, 4 });
    pageChanges.addChanges(18, new byte[] { 8, 9, 10, 11 }, new byte[] { 11, 10, 9, 8 });


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 12), new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 });


    pageChanges.revertChanges(pointer);
    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 12), new byte[] { 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8 });


    pointer.free();
  }

View Full Code Here

    pageChanges.addChanges(10, new byte[] { 0, 1, 2, 3 }, new byte[] { 3, 2, 1, 0 });
    pageChanges.addChanges(22, new byte[] { 12, 13, 14, 15 }, new byte[] { 15, 14, 13, 12 });
    pageChanges.addChanges(18, new byte[] { 8, 9, 10, 11 }, new byte[] { 11, 10, 9, 8 });
    pageChanges.addChanges(14, new byte[] { 4, 5, 6, 7 }, new byte[] { 7, 6, 5, 4 });


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 16), new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
        14, 15 });


    pageChanges.revertChanges(pointer);
    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 16), new byte[] { 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14,
        13, 12 });


    pointer.free();
  }

View Full Code Here


    pageChanges.addChanges(13, new byte[] { 23, 24, 25 }, new byte[] { 3, 4, 5 });


    // 0, 1, 2, 23, 24, 25, 6, 7,8, 9, 10, 11, 12, 13, 14, 15


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 16), new byte[] { 0, 1, 2, 23, 24, 25, 6, 7, 8, 9, 10, 11, 12,
        13, 14, 15 });


    pageChanges.revertChanges(pointer);
    Assert.assertEquals(pointer.get(10 + ODurablePage.PAGE_PADDING, 16), new byte[] { 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14,
        13, 12 });


    pointer.free();
  }

View Full Code Here

    // -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11


    pageChanges.addChanges(8, new byte[] { 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111 }, new byte[] { -2,
        -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 });


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(8 + ODurablePage.PAGE_PADDING, 14), new byte[] { 98, 99, 100, 101, 102, 103, 104, 105, 106,
        107, 108, 109, 110, 111 });


    pageChanges.revertChanges(pointer);
    Assert
        .assertEquals(pointer.get(8 + ODurablePage.PAGE_PADDING, 14), new byte[] { -2, -1, 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8 });


    pointer.free();
  }

View Full Code Here

    }


    pageChanges.addChanges(9, new byte[] { 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114 }, new byte[] {
        -1, 0, 1, 2, 3, -2, 4, 5, 6, 7, -3, 8, 9, 10, 11 });


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(9 + ODurablePage.PAGE_PADDING, 15), new byte[] { 100, 101, 102, 103, 104, 105, 106, 107, 108,
        109, 110, 111, 112, 113, 114 });


    for (byte i = 3; i < 17; i++) {
      Assert.assertEquals(pointer.get(i * 10 + ODurablePage.PAGE_PADDING, 4), new byte[] { i, (byte) (i + 1), (byte) (i + 2),
          (byte) (i + 3) });
    }


    pageChanges.revertChanges(pointer);


    Assert.assertEquals(pointer.get(9 + ODurablePage.PAGE_PADDING, 15), new byte[] { -1, 3, 2, 1, 0, -2, 7, 6, 5, 4, -3, 11, 10, 9,
        8 });


    for (byte i = 3; i < 17; i++) {
      Assert.assertEquals(pointer.get(i * 10 + ODurablePage.PAGE_PADDING, 4), new byte[] { (byte) (i + 3), (byte) (i + 2),
          (byte) (i + 1), i });
    }


    pointer.free();
  }

View Full Code Here

    // 10, 11, 12, 13, 14, 35, 36, 37, 38, 29, 30, 31
    pageChanges.addChanges(12, new byte[] { 0, 1, 2, 3 }, new byte[] { 12, 13, 14, 35 });


    // 10, 11, 0, 1, 2, 3, 36, 37, 38, 29, 30, 31


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(12 + ODurablePage.PAGE_PADDING, 10), new byte[] { 0, 1, 2, 3, 36, 37, 38, 29, 30, 31 });


    pageChanges.revertChanges(pointer);


    Assert.assertEquals(pointer.get(12 + ODurablePage.PAGE_PADDING, 10), new byte[] { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 });


    pointer.free();
  }

View Full Code Here

    for (byte i = 17; i >= 0; i--) {
      pageChanges.addChanges(i * 10, new byte[] { i, (byte) (i + 1), (byte) (i + 2), (byte) (i + 3) }, new byte[] { (byte) (i + 3),
          (byte) (i + 2), (byte) (i + 1), i });
    }


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024 + ODurablePage.PAGE_PADDING);
    pageChanges.applyChanges(pointer);


    for (byte i = 0; i < 17; i++) {
      Assert.assertEquals(pointer.get(i * 10 + ODurablePage.PAGE_PADDING, 4), new byte[] { i, (byte) (i + 1), (byte) (i + 2),
          (byte) (i + 3) });
    }


    pageChanges.revertChanges(pointer);


    for (byte i = 0; i < 17; i++) {
      Assert.assertEquals(pointer.get(i * 10 + ODurablePage.PAGE_PADDING, 4), new byte[] { (byte) (i + 3), (byte) (i + 2),
          (byte) (i + 1), i });
    }


    pointer.free();
  }

View Full Code Here

    Assert.assertEquals(pageChanges.toStream(content, 10), content.length);


    OPageChanges deserializedPageChanges = new OPageChanges();
    Assert.assertEquals(deserializedPageChanges.fromStream(content, 10), content.length);


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(128000 + ODurablePage.PAGE_PADDING);


    deserializedPageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(0 + ODurablePage.PAGE_PADDING, 120), firstChange);
    Assert.assertEquals(pointer.get(125 + ODurablePage.PAGE_PADDING, 16000), secondChange);
    Assert.assertEquals(pointer.get(17000 + ODurablePage.PAGE_PADDING, 65000), thirdChange);


    deserializedPageChanges.revertChanges(pointer);


    Assert.assertEquals(pointer.get(0 + ODurablePage.PAGE_PADDING, 120), new byte[120]);
    Assert.assertEquals(pointer.get(125 + ODurablePage.PAGE_PADDING, 16000), new byte[16000]);
    Assert.assertEquals(pointer.get(17000 + ODurablePage.PAGE_PADDING, 65000), new byte[65000]);


    pointer.free();
  }

View Full Code Here

    Assert.assertEquals(pageChanges.toStream(content, 10), content.length);


    OPageChanges deserializedPageChanges = new OPageChanges();
    Assert.assertEquals(deserializedPageChanges.fromStream(content, 10), content.length);


    ODirectMemoryPointer pointer = new ODirectMemoryPointer(4000000 + ODurablePage.PAGE_PADDING);


    deserializedPageChanges.applyChanges(pointer);


    Assert.assertEquals(pointer.get(0 + ODurablePage.PAGE_PADDING, 127), firstChange);
    Assert.assertEquals(pointer.get(130 + ODurablePage.PAGE_PADDING, 16383), secondChange);
    Assert.assertEquals(pointer.get(17000 + ODurablePage.PAGE_PADDING, 2097151), thirdChange);


    deserializedPageChanges.revertChanges(pointer);


    Assert.assertEquals(pointer.get(0 + ODurablePage.PAGE_PADDING, 127), new byte[127]);
    Assert.assertEquals(pointer.get(130 + ODurablePage.PAGE_PADDING, 16383), new byte[16383]);
    Assert.assertEquals(pointer.get(17000 + ODurablePage.PAGE_PADDING, 2097151), new byte[2097151]);


    pointer.free();
  }

View Full Code Here

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com.orientechnologies.common.serialization.types.BinarySerializerTest

com.orientechnologies.common.serialization.types.BooleanSerializerTest

com.orientechnologies.common.serialization.types.ByteSerializerTest

com.orientechnologies.common.serialization.types.CharSerializerTest

com.orientechnologies.common.serialization.types.DateSerializerTest

com.orientechnologies.common.serialization.types.DateTimeSerializerTest

com.orientechnologies.common.serialization.types.DecimalSerializerTest

com.orientechnologies.common.serialization.types.DoubleSerializerTest

com.orientechnologies.common.serialization.types.FloatSerializerTest

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