Package org.apache.vxquery.datamodel.builders.sequence

Examples of org.apache.vxquery.datamodel.builders.sequence.SequenceBuilder

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    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
        final DataOutput dOutInner = abvsInner.getDataOutput();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final DynamicContext dCtx = (DynamicContext) ctx.getJobletContext().getGlobalJobData();
        final AbstractValueComparisonOperation aOp = new ValueEqComparisonOperation();
        final TaggedValuePointable tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    abvs.reset();
                    sb.reset(abvs);
                    TaggedValuePointable tvp1 = args[0];
                    TaggedValuePointable tvp2 = args[1];

                    if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                        tvp1.getValue(seq);
                        int seqLen = seq.getEntryCount();
                        for (int j = 0; j < seqLen; ++j) {
                            seq.getEntry(j, p);
                            tvp.set(p.getByteArray(), p.getStartOffset(), p.getLength());
                            if (FunctionHelper.compareTaggedValues(aOp, tvp, tvp2, dCtx)) {
                                abvsInner.reset();
                                dOutInner.write(ValueTag.XS_INTEGER_TAG);
                                dOutInner.writeLong(j + 1);
                                sb.addItem(abvsInner);
                            }
                        }
                    } else {
                        if (FunctionHelper.compareTaggedValues(aOp, tvp1, tvp2, dCtx)) {
                            abvsInner.reset();
                            dOutInner.write(ValueTag.XS_INTEGER_TAG);
                            dOutInner.writeLong(1);
                            sb.addItem(abvsInner);
                        }
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001);
                }
            }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = new SequencePointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        final DoublePointable doublep = (DoublePointable) DoublePointable.FACTORY.createPointable();
        final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
        final XSDecimalPointable decp = (XSDecimalPointable) XSDecimalPointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvsRound = new ArrayBackedValueStorage();
        final FnRoundOperation round = new FnRoundOperation();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    long startingLoc;
                    TaggedValuePointable tvp2 = args[1];
                    startingLoc = getLongFromArgument(tvp2);
                    if (startingLoc < 1) {
                        startingLoc = 1;
                    }

                    // Get length.
                    long endingLoc = Long.MAX_VALUE;
                    if (args.length > 2) {
                        TaggedValuePointable tvp3 = args[2];
                        endingLoc = getLongFromArgument(tvp3) + startingLoc;
                    }

                    abvs.reset();
                    sb.reset(abvs);
                    TaggedValuePointable tvp1 = args[0];
                    if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                        tvp1.getValue(seq);
                        int seqLen = seq.getEntryCount();
                        if (endingLoc < startingLoc) {
                            // Empty sequence.
                        } else if (startingLoc == 1 && endingLoc > seqLen) {
                            // Includes whole sequence.
                            result.set(tvp1);
                            return;
                        } else {
                            for (int j = 0; j < seqLen; ++j) {
                                if (startingLoc <= j + 1 && j + 1 < endingLoc) {
                                    seq.getEntry(j, p);
                                    sb.addItem(p);
                                }
                            }
                        }
                    } else if (startingLoc == 1 && endingLoc > 1) {
                        // Includes item.
                        result.set(tvp1);
                        return;
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001);
                }
            }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = new SequencePointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    abvs.reset();
                    sb.reset(abvs);
                    for (int i = 0; i < args.length; ++i) {
                        TaggedValuePointable tvp = args[i];
                        if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                            tvp.getValue(seq);
                            int seqLen = seq.getEntryCount();
                            for (int j = 0; j < seqLen; ++j) {
                                seq.getEntry(j, p);
                                sb.addItem(p);
                            }
                        } else {
                            sb.addItem(tvp);
                        }
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001);
                }
            }
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        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final UTF8StringPointable stringp = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable();
        final TaggedValuePointable nodep = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final ByteBufferInputStream bbis = new ByteBufferInputStream();
        final DataInputStream di = new DataInputStream(bbis);
        final SequenceBuilder sb = new SequenceBuilder();
        final ArrayBackedValueStorage abvsFileNode = new ArrayBackedValueStorage();
        final InputSource in = new InputSource();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp = args[0];
                // TODO add support empty sequence and no argument.
                if (tvp.getTag() != ValueTag.XS_STRING_TAG) {
                    throw new SystemException(ErrorCode.FORG0006);
                }
                tvp.getValue(stringp);
                try {
                    // Get the list of files.
                    bbis.setByteBuffer(ByteBuffer.wrap(Arrays.copyOfRange(stringp.getByteArray(),
                            stringp.getStartOffset(), stringp.getLength() + stringp.getStartOffset())), 0);
                    String collectionName = di.readUTF();
                    File collectionDirectory = new File(collectionName);
                    File[] list = collectionDirectory.listFiles();

                    abvs.reset();
                    sb.reset(abvs);
                    for (int i = 0; i < list.length; ++i) {
                        // Add the document node to the sequence.
                        abvsFileNode.reset();
                        FunctionHelper.readInDocFromString(list[i].getPath(), in, abvsFileNode);
                        nodep.set(abvsFileNode.getByteArray(), abvsFileNode.getStartOffset(), abvsFileNode.getLength());
                        sb.addItem(nodep);
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = new SequencePointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    TaggedValuePointable tvp2 = args[1];
                    if (tvp2.getTag() != ValueTag.XS_INTEGER_TAG) {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                    tvp2.getValue(longp);

                    abvs.reset();
                    sb.reset(abvs);
                    TaggedValuePointable tvp1 = args[0];
                    if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                        tvp1.getValue(seq);
                        int seqLen = seq.getEntryCount();
                        if (longp.getLong() < 1 || longp.getLong() > seqLen) {
                            // Position is outside the sequence. Return target.
                            result.set(tvp1);
                            return;
                        } else {
                            for (int j = 0; j < seqLen; ++j) {
                                if (longp.getLong() != j + 1) {
                                    seq.getEntry(j, p);
                                    sb.addItem(p);
                                }
                            }
                        }
                    } else if (longp.getLong() != 1) {
                        // Position does not match the item. Return target.
                        result.set(tvp1);
                        return;
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001);
                }
            }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = new SequencePointable();
        final SequencePointable seq2 = new SequencePointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    TaggedValuePointable tvp2 = args[1];
                    if (tvp2.getTag() != ValueTag.XS_INTEGER_TAG) {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                    tvp2.getValue(longp);

                    abvs.reset();
                    sb.reset(abvs);
                    TaggedValuePointable tvp1 = args[0];
                    TaggedValuePointable tvp3 = args[2];
                    if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                        tvp1.getValue(seq);
                        int seqLen = seq.getEntryCount();
                        if (longp.getLong() < 1) {
                            // Add to the beginning.
                            addArgumentToSequence(tvp3);
                        }
                        if (seqLen > 0) {
                            for (int j = 0; j < seqLen; ++j) {
                                if (longp.getLong() == j + 1) {
                                    addArgumentToSequence(tvp3);
                                }
                                seq.getEntry(j, p);
                                sb.addItem(p);
                            }
                        }
                        if (longp.getLong() > seqLen) {
                            // Add to the end.
                            addArgumentToSequence(tvp3);
                        }

                    } else {
                        if (longp.getLong() <= 1) {
                            addArgumentToSequence(tvp3);
                            sb.addItem(tvp1);
                        } else {
                            sb.addItem(tvp1);
                            addArgumentToSequence(tvp3);
                        }
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001);
                }
            }

            private void addArgumentToSequence(TaggedValuePointable tvp) throws IOException {
                if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp.getValue(seq2);
                    int seqLen = seq2.getEntryCount();
                    if (seqLen > 0) {
                        for (int j = 0; j < seqLen; ++j) {
                            seq2.getEntry(j, p);
                            sb.addItem(p);
                        }
                    }
                } else {
                    sb.addItem(tvp);
                }
            }
        };
    }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = new SequencePointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    TaggedValuePointable tvp = args[0];
                    if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                        abvs.reset();
                        sb.reset(abvs);
                        tvp.getValue(seq);
                        int seqLen = seq.getEntryCount();
                        for (int j = 0; j < seqLen; ++j) {
                            seq.getEntry(seqLen - j - 1, p);
                            sb.addItem(p);
                        }
                        sb.finish();
                        result.set(abvs);
                    } else {
                        result.set(tvp);
                    }
                } catch (IOException e) {
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        dCtx = (DynamicContext) ctx.getJobletContext().getGlobalJobData();
        ip = (IntegerPointable) IntegerPointable.FACTORY.createPointable();
        ntp = (NodeTreePointable) NodeTreePointable.FACTORY.createPointable();
        seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        seqAbvs = new ArrayBackedValueStorage();
        seqb = new SequenceBuilder();
        nodeAbvs = new ArrayBackedValueStorage();
        itemTvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        first = true;
    }
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    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
        final DataOutput dOutInner = abvsInner.getDataOutput();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = new SequencePointable();
        final DynamicContext dCtx = (DynamicContext) ctx.getJobletContext().getGlobalJobData();
        final AbstractValueComparisonOperation aOp = new ValueEqComparisonOperation();
        final TaggedValuePointable tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    abvs.reset();
                    sb.reset(abvs);
                    TaggedValuePointable tvp1 = args[0];
                    TaggedValuePointable tvp2 = args[1];

                    if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                        tvp1.getValue(seq);
                        int seqLen = seq.getEntryCount();
                        for (int j = 0; j < seqLen; ++j) {
                            seq.getEntry(j, p);
                            tvp.set(p.getByteArray(), p.getStartOffset(), p.getLength());
                            if (FunctionHelper.compareTaggedValues(aOp, tvp, tvp2, dCtx)) {
                                abvsInner.reset();
                                dOutInner.write(ValueTag.XS_INTEGER_TAG);
                                dOutInner.writeLong(j + 1);
                                sb.addItem(abvsInner);
                            }
                        }
                    } else {
                        if (FunctionHelper.compareTaggedValues(aOp, tvp1, tvp2, dCtx)) {
                            abvsInner.reset();
                            dOutInner.write(ValueTag.XS_INTEGER_TAG);
                            dOutInner.writeLong(1);
                            sb.addItem(abvsInner);
                        }
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001);
                }
            }
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        final ArrayBackedValueStorage abvsCount = new ArrayBackedValueStorage();
        final DataOutput dOutCount = abvsCount.getDataOutput();
        final ArrayBackedValueStorage abvsSum = new ArrayBackedValueStorage();
        final DataOutput dOutSum = abvsSum.getDataOutput();
        final ArrayBackedValueStorage abvsSeq = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final AddOperation aOp = new AddOperation();
        final TypedPointables tp1 = new TypedPointables();
        final TypedPointables tp2 = new TypedPointables();
       
        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            long count;
            TaggedValuePointable tvpSum = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

            @Override
            public void init() throws AlgebricksException {
                count = 0;
                try {
                    abvsSum.reset();
                    dOutSum.write(ValueTag.XS_INTEGER_TAG);
                    dOutSum.writeLong(0);
                    tvpSum.set(abvsSum);
                } catch (Exception e) {
                    throw new AlgebricksException(e);
                }
            }

            @Override
            public void finishPartial(IPointable result) throws AlgebricksException {
                finish(result);
            }

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                if (count == 0) {
                    XDMConstants.setEmptySequence(result);
                } else {
                    // Set count as a TaggedValuePointable.
                    try {
                        abvsCount.reset();
                        dOutCount.write(ValueTag.XS_INTEGER_TAG);
                        dOutCount.writeLong(count);
                        tvpCount.set(abvsCount);

                        // Save intermediate result.
                        abvsSeq.reset();
                        sb.reset(abvsSeq);
                        sb.addItem(tvpCount);
                        sb.addItem(tvpSum);
                        sb.finish();
                        result.set(abvsSeq);
                    } catch (Exception e) {
                        throw new AlgebricksException(e);
                    }
                }
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