Package com.thinkaurelius.titan.graphdb.database.serialize

Examples of com.thinkaurelius.titan.graphdb.database.serialize.DataOutput

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            IDHandler.writeInlineEdgeType(wb, id);
            long newId = IDHandler.readInlineEdgeType(wb.getStaticBuffer().asReadBuffer());
            assertEquals(id,newId);

            //Compare to Kryo
            DataOutput out = serializer.getDataOutput(10, true);
            IDHandler.writeEdgeType(out, id, dirID);
            assertEquals(b, out.getStaticBuffer());

            //Make sure the bounds are right
            StaticBuffer[] bounds = IDHandler.getBounds(type);
            assertTrue(bounds[0].compareTo(b)<0);
            assertTrue(bounds[1].compareTo(b)>0);
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        Assert.assertTrue(res >= 0 && res < Integer.MAX_VALUE);
        return (int) res;
    }

    public static StaticBuffer getBuffer(String s) {
        DataOutput out = serial.getDataOutput(50, true);
        out.writeObjectNotNull(s);
        return out.getStaticBuffer();
    }
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    @Override
    @Test
    public void stringSerialization() {
        //Characters
        DataOutput out = serialize.getDataOutput(((int) Character.MAX_VALUE) * 2 + 8, true);
        for (char c = Character.MIN_VALUE; c < Character.MAX_VALUE; c++) {
            out.writeObjectNotNull(Character.valueOf(c));
        }
        ReadBuffer b = out.getStaticBuffer().asReadBuffer();
        for (char c = Character.MIN_VALUE; c < Character.MAX_VALUE; c++) {
            assertEquals(c, serialize.readObjectNotNull(b, Character.class).charValue());
        }


        //String
        for (int t = 0; t < 10000; t++) {
            DataOutput out1 = serialize.getDataOutput(32 + 5, true);
            DataOutput out2 = serialize.getDataOutput(32 + 5, true);
            String s1 = RandomGenerator.randomString(1, 32);
            String s2 = RandomGenerator.randomString(1, 32);
            out1.writeObjectNotNull(s1);
            out2.writeObjectNotNull(s2);
            StaticBuffer b1 = out1.getStaticBuffer();
            StaticBuffer b2 = out2.getStaticBuffer();
            assertEquals(s1, serialize.readObjectNotNull(b1.asReadBuffer(), String.class));
            assertEquals(s2, serialize.readObjectNotNull(b2.asReadBuffer(), String.class));
            //todo: sort order test fails because... a bug in StaticArrayBuffer.compareTo() and ByteBuffer.compareTo(), where we ignore sign bit for 'byte' during int conversion!
            /*
             * ByteBufferUtil.java:
 
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    @Test
    public void objectWriteRead() {
        //serialize.registerClass(short[].class);
        //serialize.registerClass(TestClass.class);
        DataOutput out = serialize.getDataOutput(128, true);
        String str = "This is a test";
        int i = 5;
        TestClass c = new TestClass(5, 8, new short[]{1, 2, 3, 4, 5}, TestEnum.Two);
        Number n = new Double(3.555);
        out.writeObjectNotNull(str);
        out.putInt(i);
        out.writeObject(c, TestClass.class);
        out.writeClassAndObject(n);
        ReadBuffer b = out.getStaticBuffer().asReadBuffer();
        if (printStats) log.debug(bufferStats(b));
        String str2 = serialize.readObjectNotNull(b, String.class);
        assertEquals(str, str2);
        if (printStats) log.debug(bufferStats(b));
        assertEquals(b.getInt(), i);
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    }

    @Test
    public void stringSerialization() {
        //Characters
        DataOutput out = serialize.getDataOutput(((int) Character.MAX_VALUE) * 2 + 8, true);
        for (char c = Character.MIN_VALUE; c < Character.MAX_VALUE; c++) {
            out.writeObjectNotNull(Character.valueOf(c));
        }
        ReadBuffer b = out.getStaticBuffer().asReadBuffer();
        for (char c = Character.MIN_VALUE; c < Character.MAX_VALUE; c++) {
            assertEquals(c, serialize.readObjectNotNull(b, Character.class).charValue());
        }


        //String
        for (int t = 0; t < 10000; t++) {
            DataOutput out1 = serialize.getDataOutput(32 + 5, true);
            DataOutput out2 = serialize.getDataOutput(32 + 5, true);
            String s1 = RandomGenerator.randomString(1, 32);
            String s2 = RandomGenerator.randomString(1, 32);
            out1.writeObjectNotNull(s1);
            out2.writeObjectNotNull(s2);
            StaticBuffer b1 = out1.getStaticBuffer();
            StaticBuffer b2 = out2.getStaticBuffer();
            assertEquals(s1, serialize.readObjectNotNull(b1.asReadBuffer(), String.class));
            assertEquals(s2, serialize.readObjectNotNull(b2.asReadBuffer(), String.class));
            assertEquals(s1 + " vs " + s2, Integer.signum(s1.compareTo(s2)), Integer.signum(b1.compareTo(b2)));
        }
    }
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    }


    @Test
    public void classSerialization() {
        DataOutput out = serialize.getDataOutput(128, true);
        out.writeObjectNotNull(Boolean.class);
        out.writeObjectNotNull(Byte.class);
        out.writeObjectNotNull(Double.class);
        ReadBuffer b = out.getStaticBuffer().asReadBuffer();
        assertEquals(Boolean.class, serialize.readObjectNotNull(b, Class.class));
        assertEquals(Byte.class, serialize.readObjectNotNull(b, Class.class));
        assertEquals(Double.class, serialize.readObjectNotNull(b, Class.class));
    }
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        assertEquals(Double.class, serialize.readObjectNotNull(b, Class.class));
    }

    @Test
    public void parallelDeserialization() throws InterruptedException {
        DataOutput out = serialize.getDataOutput(128, true);
        out.putLong(8);
        out.writeClassAndObject(Long.valueOf(8));
        TestClass c = new TestClass(5, 8, new short[]{1, 2, 3, 4, 5}, TestEnum.Two);
        out.writeObject(c, TestClass.class);
        final StaticBuffer b = out.getStaticBuffer();

        int numThreads = 100;
        Thread[] threads = new Thread[numThreads];
        for (int i = 0; i < numThreads; i++) {
            threads[i] = new Thread(new Runnable() {
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        }
    }

    @Test
    public void primitiveSerialization() {
        DataOutput out = serialize.getDataOutput(128, true);
        out.writeObjectNotNull(Boolean.FALSE);
        out.writeObjectNotNull(Boolean.TRUE);
        out.writeObjectNotNull(Byte.MIN_VALUE);
        out.writeObjectNotNull(Byte.MAX_VALUE);
        out.writeObjectNotNull(new Byte((byte) 0));
        out.writeObjectNotNull(Short.MIN_VALUE);
        out.writeObjectNotNull(Short.MAX_VALUE);
        out.writeObjectNotNull(new Short((short) 0));
        out.writeObjectNotNull(Character.MIN_VALUE);
        out.writeObjectNotNull(Character.MAX_VALUE);
        out.writeObjectNotNull(new Character('a'));
        out.writeObjectNotNull(Integer.MIN_VALUE);
        out.writeObjectNotNull(Integer.MAX_VALUE);
        out.writeObjectNotNull(new Integer(0));
        out.writeObjectNotNull(Long.MIN_VALUE);
        out.writeObjectNotNull(Long.MAX_VALUE);
        out.writeObjectNotNull(new Long(0));
        out.writeObjectNotNull(FloatSerializer.MIN_VALUE);
        out.writeObjectNotNull(FloatSerializer.MAX_VALUE);
        out.writeObjectNotNull(new Float((float) 0.0));
        out.writeObjectNotNull(DoubleSerializer.MIN_VALUE);
        out.writeObjectNotNull(DoubleSerializer.MAX_VALUE);
        out.writeObjectNotNull(new Double(0.0));

        ReadBuffer b = out.getStaticBuffer().asReadBuffer();
        assertEquals(Boolean.FALSE, serialize.readObjectNotNull(b, Boolean.class));
        assertEquals(Boolean.TRUE, serialize.readObjectNotNull(b, Boolean.class));
        assertEquals(Byte.MIN_VALUE, serialize.readObjectNotNull(b, Byte.class).longValue());
        assertEquals(Byte.MAX_VALUE, serialize.readObjectNotNull(b, Byte.class).longValue());
        assertEquals(0, serialize.readObjectNotNull(b, Byte.class).longValue());
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    @Test
    public void testObjectVerification() {
        KryoSerializer s = new KryoSerializer();
        DataOutput out = s.getDataOutput(128, true);
        Long l = Long.valueOf(128);
        out.writeClassAndObject(l);
        Calendar c = Calendar.getInstance();
        out.writeClassAndObject(c);
        NoDefaultConstructor dc = new NoDefaultConstructor(5);
        try {
            out.writeClassAndObject(dc);
            fail();
        } catch (IllegalArgumentException e) {

        }
        TestTransientClass d = new TestTransientClass(101);
        try {
            out.writeClassAndObject(d);
            fail();
        } catch (IllegalArgumentException e) {

        }
        out.writeObject(null, TestClass.class);
    }
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    @Test
    public void longWriteTest() {
        String base = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; //26 chars
        int no = 100;
        DataOutput out = serialize.getDataOutput(128, true);
        for (int i = 0; i < no; i++) {
            String str = base + (i + 1);
            out.writeObjectNotNull(str);
        }
        ReadBuffer b = out.getStaticBuffer().asReadBuffer();
        if (printStats) log.debug(bufferStats(b));
        for (int i = 0; i < no; i++) {
            String str = base + (i + 1);
            String read = serialize.readObjectNotNull(b, String.class);
            assertEquals(str, read);
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Related Classes of com.thinkaurelius.titan.graphdb.database.serialize.DataOutput

  • com.thinkaurelius.titan.diskstorage.KeyValueStoreUtil
  • com.thinkaurelius.titan.graphdb.database.EdgeSerializer
  • com.thinkaurelius.titan.graphdb.database.IndexSerializer
  • com.thinkaurelius.titan.graphdb.idmanagement.IDManagementTest
  • com.thinkaurelius.titan.graphdb.serializer.SerializerTest
  • com.thinkaurelius.titan.graphdb.serializer.SerializerUTF8Test
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