Package org.apache.vxquery.util

Examples of org.apache.vxquery.util.GrowableIntArray

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    }

    @Override
    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final GrowableIntArray slots = new GrowableIntArray();
        final ArrayBackedValueStorage dataArea = new ArrayBackedValueStorage();
        final SequencePointable seq = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            @Override
            public void init() throws AlgebricksException {
                abvs.reset();
                slots.clear();
                dataArea.reset();
            }

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                if (slots.getSize() != 1) {
                    try {
                        assembleResult(abvs, slots, dataArea);
                    } catch (SystemException e) {
                        throw new AlgebricksException(e);
                    }
                    result.set(abvs);
                } else {
                    result.set(dataArea);
                }
           }

            @Override
            protected void step(TaggedValuePointable[] args) throws SystemException {
                TaggedValuePointable tvp = args[0];
                if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp.getValue(seq);
                    int seqLen = seq.getEntryCount();
                    for (int j = 0; j < seqLen; ++j) {
                        seq.getEntry(j, p);
                        addItem(p);
                    }
                } else {
                    addItem(tvp);
                }
            }

            private void assembleResult(ArrayBackedValueStorage abvs, GrowableIntArray slots,
                    ArrayBackedValueStorage dataArea) throws SystemException {
                try {
                    DataOutput out = abvs.getDataOutput();
                    out.write(ValueTag.SEQUENCE_TAG);
                    int size = slots.getSize();
                    out.writeInt(size);
                    if (size > 0) {
                        int[] slotArray = slots.getArray();
                        for (int i = 0; i < size; ++i) {
                            out.writeInt(slotArray[i]);
                        }
                        out.write(dataArea.getByteArray(), dataArea.getStartOffset(), dataArea.getLength());
                    }
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

            private void addItem(final IPointable p) throws SystemException {
                try {
                    dataArea.getDataOutput().write(p.getByteArray(), p.getStartOffset(), p.getLength());
                    slots.append(dataArea.getLength());
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }
        };
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    private DataOutput out;

    private int childrenCount;

    public DocumentNodeBuilder() {
        childrenSlots = new GrowableIntArray();
        childrenDataArea = new ArrayBackedValueStorage();
    }
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    };

    private final BinarySearchAlgorithm binSearch = new BinarySearchAlgorithm();

    public DictionaryBuilder() {
        stringEndOffsets = new GrowableIntArray();
        sortedSlotIndexes = new GrowableIntArray();
        dataBuffer = new ByteArrayAccessibleOutputStream();
        dataBufferOut = new DataOutputStream(dataBuffer);
        tempStringData = new ByteArrayAccessibleOutputStream();
        hashSlotIndexes = new TreeMap<String, Integer>();
    }
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    private int attrCount;

    private int childrenCount;

    public ElementNodeBuilder() {
        attrSlots = new GrowableIntArray();
        attrDataArea = new ArrayBackedValueStorage();
        childrenSlots = new GrowableIntArray();
        childrenDataArea = new ArrayBackedValueStorage();
    }
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    }

    @Override
    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final GrowableIntArray slots = new GrowableIntArray();
        final ArrayBackedValueStorage dataArea = new ArrayBackedValueStorage();
        final SequencePointable seq = new SequencePointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            @Override
            public void init() throws AlgebricksException {
                abvs.reset();
                slots.clear();
                dataArea.reset();
            }

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                if (slots.getSize() != 1) {
                    try {
                        assembleResult(abvs, slots, dataArea);
                    } catch (SystemException e) {
                        throw new AlgebricksException(e);
                    }
                    result.set(abvs);
                } else {
                    result.set(dataArea);
                }
            }

            @Override
            protected void step(TaggedValuePointable[] args) throws SystemException {
                TaggedValuePointable tvp = args[0];
                if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp.getValue(seq);
                    int seqLen = seq.getEntryCount();
                    for (int j = 0; j < seqLen; ++j) {
                        seq.getEntry(j, p);
                        addItem(p);
                    }
                } else {
                    addItem(tvp);
                }
            }

            private void assembleResult(ArrayBackedValueStorage abvs, GrowableIntArray slots,
                    ArrayBackedValueStorage dataArea) throws SystemException {
                try {
                    DataOutput out = abvs.getDataOutput();
                    out.write(ValueTag.SEQUENCE_TAG);
                    int size = slots.getSize();
                    out.writeInt(size);
                    if (size > 0) {
                        int[] slotArray = slots.getArray();
                        for (int i = 0; i < size; ++i) {
                            out.writeInt(slotArray[i]);
                        }
                        out.write(dataArea.getByteArray(), dataArea.getStartOffset(), dataArea.getLength());
                    }
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

            private void addItem(final IPointable p) throws SystemException {
                try {
                    dataArea.getDataOutput().write(p.getByteArray(), p.getStartOffset(), p.getLength());
                    slots.append(dataArea.getLength());
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }
        };
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    };

    private final BinarySearchAlgorithm binSearch = new BinarySearchAlgorithm();

    public DictionaryBuilder() {
        stringEndOffsets = new GrowableIntArray();
        sortedSlotIndexes = new GrowableIntArray();
        dataBuffer = new ByteArrayAccessibleOutputStream();
        dataBufferOut = new DataOutputStream(dataBuffer);
        tempStringData = new ByteArrayAccessibleOutputStream();
        tempOut = new DataOutputStream(tempStringData);
        tempStringPointable = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable();
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    }

    @Override
    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final GrowableIntArray slots = new GrowableIntArray();
        final ArrayBackedValueStorage dataArea = new ArrayBackedValueStorage();
        final SequencePointable seq = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            @Override
            public void init() throws AlgebricksException {
                abvs.reset();
                slots.clear();
                dataArea.reset();
            }

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

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                if (slots.getSize() != 1) {
                    try {
                        assembleResult(abvs, slots, dataArea);
                    } catch (SystemException e) {
                        throw new AlgebricksException(e);
                    }
                    result.set(abvs);
                } else {
                    result.set(dataArea);
                }
            }

            @Override
            protected void step(TaggedValuePointable[] args) throws SystemException {
                TaggedValuePointable tvp = args[0];
                if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp.getValue(seq);
                    int seqLen = seq.getEntryCount();
                    for (int j = 0; j < seqLen; ++j) {
                        seq.getEntry(j, p);
                        addItem(p);
                    }
                } else {
                    addItem(tvp);
                }
            }

            private void assembleResult(ArrayBackedValueStorage abvs, GrowableIntArray slots,
                    ArrayBackedValueStorage dataArea) throws SystemException {
                try {
                    DataOutput out = abvs.getDataOutput();
                    out.write(ValueTag.SEQUENCE_TAG);
                    int size = slots.getSize();
                    out.writeInt(size);
                    if (size > 0) {
                        int[] slotArray = slots.getArray();
                        for (int i = 0; i < size; ++i) {
                            out.writeInt(slotArray[i]);
                        }
                        out.write(dataArea.getByteArray(), dataArea.getStartOffset(), dataArea.getLength());
                    }
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

            private void addItem(final IPointable p) throws SystemException {
                try {
                    dataArea.getDataOutput().write(p.getByteArray(), p.getStartOffset(), p.getLength());
                    slots.append(dataArea.getLength());
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }
        };
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Related Classes of org.apache.vxquery.util.GrowableIntArray

  • org.apache.vxquery.datamodel.builders.nodes.DictionaryBuilder
  • org.apache.vxquery.datamodel.builders.nodes.DocumentNodeBuilder
  • org.apache.vxquery.datamodel.builders.nodes.ElementNodeBuilder
  • org.apache.vxquery.runtime.functions.sequence.SequenceAggregateEvaluatorFactory
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