Examples of com.sleepycat.bind.tuple.TupleOutput

com.sleepycat.bind.tuple.TupleOutput
An OutputStream with DataOutput-like methods for writing tuple fields. It is used by TupleBinding.
This class has many methods that have the same signatures as methods in the {@link java.io.DataOutput} interface. The reason this class does notimplement {@link java.io.DataOutput} is because it would break the interfacecontract for those methods because of data format differences.
@see Tuple Formats @author Mark Hayes

    public void testWriteReadShortStringWithLengthLess127()
    {
        AMQShortString value = new AMQShortString("test");


        // write into tuple output
        TupleOutput tupleOutput = new TupleOutput();
        AMQShortStringEncoding.writeShortString(value, tupleOutput);
        byte[] data = tupleOutput.getBufferBytes();


        // read from tuple input
        TupleInput tupleInput = new TupleInput(data);
        AMQShortString result = AMQShortStringEncoding.readShortString(tupleInput);
        assertEquals("Expected " + value + " but got " + result, value, result);

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        }
    }


    private byte[] intKey(long fileNum, long seqNum) {


        TupleOutput out = new TupleOutput();
        out.writeUnsignedInt(fileNum);
        out.writeUnsignedInt(seqNum);
        return out.toByteArray();
    }

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                                      DatabaseEntry primaryKeyEntry,
                                      DatabaseEntry dataEntry,
                                      DatabaseEntry indexKeyEntry)
        throws DatabaseException {


        TupleOutput output = getTupleOutput(null);
        TupleInput primaryKeyInput = entryToInput(primaryKeyEntry);
        Object dataInput = dataBinding.entryToObject(dataEntry);
        if (createSecondaryKey(primaryKeyInput, dataInput, output)) {
            outputToEntry(output, indexKeyEntry);
            return true;

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    void initTuple()
        throws Exception {


        buf = new byte[500];
        to = new TupleOutput(buf);
    }

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        }
        catch (ClassCastException expected) {}


        /* Test nested tuple binding. */


        TupleOutput output = new TupleOutput();
        output.writeString("abc");
        binding.objectToEntry(val, output);
        output.writeString("xyz");


        TupleInput input = new TupleInput(output);
        assertEquals("abc", input.readString());
        Object val3 = binding.entryToObject(input);
        assertEquals("xyz", input.readString());

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    public void testTupleInputBinding() {


        EntryBinding binding = new TupleInputBinding();


        TupleOutput out = new TupleOutput();
        out.writeString("abc");
        binding.objectToEntry(new TupleInput(out), buffer);
        assertEquals(4, buffer.getSize());


        Object result = binding.entryToObject(buffer);
        assertTrue(result instanceof TupleInput);

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        }
    }


    public void testBufferOverride() {


        TupleOutput out = new TupleOutput(new byte[10]);
        CachedOutputBinding binding = new CachedOutputBinding(out);


        binding.used = false;
        binding.objectToEntry("x", buffer);
        assertEquals("x", binding.entryToObject(buffer));

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        CaptureSizeBinding() {
            super();
        }


        public TupleOutput getTupleOutput(Object object) {
            TupleOutput out = super.getTupleOutput(object);
            bufSize = out.getBufferBytes().length;
            return out;
        }

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    }


    // javadoc is inherited
    public void objectToKey(Object object, DatabaseEntry key) {


        TupleOutput output = getTupleOutput(object);
        objectToKey(object, output);
        outputToEntry(output, key);
    }

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    }


    public void setUp() {


        DbTestUtil.printTestName("TupleOrderingTest." + getName());
        out = new TupleOutput();
        prevBuf = null;
    }

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