Package com.thinkaurelius.titan.diskstorage

Examples of com.thinkaurelius.titan.diskstorage.ReadBuffer

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                return null;
            else {
                final Map<String, Object> properties = new HashMap<String, Object>();
                byte[] bytes = new byte[WritableUtils.readVInt(in)];
                in.readFully(bytes);
                final ReadBuffer buffer = new ReadByteBuffer(bytes);
                for (int i = 0; i < numberOfProperties; i++) {
                    final String key = serialize.readObject(buffer, String.class);
                    final Object valueObject = serialize.readClassAndObject(buffer);
                    properties.put(TYPE_MAP.get(key), valueObject);
                }
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            impl.write(wb, i);
            num++;
        }
        //for (int i=0;i<b.remaining();i++) System.out.print(b.get(i)+"|");
        w.stop();
        ReadBuffer rb = wb.getStaticBuffer().asReadBuffer();
        log.info("Writing " + num + " longs in " + rb.length() + " bytes. in time: " + w.getTime());

        final ReadVerify read = new ReadVerify() {
            @Override
            public void next(ReadBuffer rb, long expected) {
                int beforePos = rb.getPosition();
                long value = impl.read(rb);
                assertEquals(expected, value);
                int length = Math.abs(rb.getPosition()-beforePos);
                assertEquals("On: " + expected,length,impl.length(expected));
            }
        };

        if (backward) {
            rb.movePosition(rb.length()-1);
            for (long i = maxValue; i != (negative?-maxValue:0); i -= jump) {
                read.next(rb,i);
            }
        } else {
            for (long i = (negative?-maxValue:0); i <= maxValue; i += jump) {
                read.next(rb, i);
            }
        }

        //Test boundaries
        wb = new WriteByteBuffer(512);
        impl.write(wb,0);
        impl.write(wb,Long.MAX_VALUE);
        if (negative) impl.write(wb,-Long.MAX_VALUE);
        rb = wb.getStaticBuffer().asReadBuffer();
        if (backward) {
            rb.movePosition(rb.length()-1);
            if (negative) assertEquals(-Long.MAX_VALUE, impl.read(rb));
            assertEquals(Long.MAX_VALUE, impl.read(rb));
            assertEquals(0, impl.read(rb));
        } else {
            assertEquals(0, impl.read(rb));
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            StaticBuffer b = IDHandler.getEdgeType(id, dirID);
//            System.out.println(dirID);
//            System.out.println(getBinary(id));
//            System.out.println(getBuffer(b.asReadBuffer()));
            ReadBuffer rb = b.asReadBuffer();
            long[] vals = IDHandler.readEdgeType(rb);
            assertEquals(id,vals[0]);
            assertEquals(dirID, vals[1]);
            assertFalse(rb.hasRemaining());

            //Inline edge type
            WriteBuffer wb = new WriteByteBuffer(9);
            IDHandler.writeInlineEdgeType(wb, id);
            long newId = IDHandler.readInlineEdgeType(wb.getStaticBuffer().asReadBuffer());
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        //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());
        }


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        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);
        TestClass c2 = serialize.readObject(b, TestClass.class);
        assertEquals(c, c2);
        if (printStats) log.debug(bufferStats(b));
        assertEquals(n, serialize.readClassAndObject(b));
        if (printStats) log.debug(bufferStats(b));
        assertFalse(b.hasRemaining());
    }
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        //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());
        }


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    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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        for (int i = 0; i < numThreads; i++) {
            threads[i] = new Thread(new Runnable() {
                @Override
                public void run() {
                    for (int j = 0; j < 100000; j++) {
                        ReadBuffer c = b.asReadBuffer();
                        assertEquals(8, c.getLong());
                        Long l = (Long) serialize.readClassAndObject(c);
                        assertEquals(8, l.longValue());
                        TestClass c2 = serialize.readObjectNotNull(c, TestClass.class);
                    }
                }
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        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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        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);
        }
        assertFalse(b.hasRemaining());
    }
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Related Classes of com.thinkaurelius.titan.diskstorage.ReadBuffer

  • com.thinkaurelius.faunus.FaunusElement$ElementProperties
  • com.thinkaurelius.titan.diskstorage.locking.consistentkey.ConsistentKeyLockerSerializer
  • com.thinkaurelius.titan.graphdb.database.EdgeSerializer
  • com.thinkaurelius.titan.graphdb.idmanagement.IDManagementTest
  • com.thinkaurelius.titan.graphdb.idmanagement.VariableLongTest
  • com.thinkaurelius.titan.graphdb.serializer.SerializerTest
  • com.thinkaurelius.titan.graphdb.serializer.SerializerUTF8Test
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