Examples with DocumentSet org.exist.dom.persistent.DocumentSet used on opensource projects

Example 41 with DocumentSet

use of org.exist.dom.persistent.DocumentSet in project exist by eXist-db.

the class FunDoc method eval.

public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    Sequence result;
    final Sequence arg = getArgument(0).eval(contextSequence, contextItem);
    if (arg.isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        final String path = arg.itemAt(0).getStringValue();
        // }
        try {
            result = DocUtils.getDocument(this.context, path);
            if (result.isEmpty() && context.isRaiseErrorOnFailedRetrieval()) {
                throw new XPathException(this, ErrorCodes.FODC0002, "Can not access '" + path + "'", arg);
            }
            // TODO: we still need a final decision about this. Also check base-uri.
            // if (result == Sequence.EMPTY_SEQUENCE)
            // throw new XPathException(this, path + " is not an XML document");
            final DocumentSet docs = result.getDocumentSet();
            if (docs != null && DocumentSet.EMPTY_DOCUMENT_SET != docs) {
                // only cache node sets (which have a non-empty document set)
                registerUpdateListener();
            }
        } catch (final Exception e) {
            throw new XPathException(this, ErrorCodes.FODC0005, e.getMessage(), arg, e);
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 42 with DocumentSet

use of org.exist.dom.persistent.DocumentSet in project exist by eXist-db.

the class IndexKeyDocuments method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
    }
    Sequence result;
    if (args[0].isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        final NodeSet nodes = args[0].toNodeSet();
        final DocumentSet docs = nodes.getDocumentSet();
        if (this.getArgumentCount() == 3) {
            final IndexWorker indexWorker = context.getBroker().getIndexController().getWorkerByIndexName(args[2].itemAt(0).getStringValue());
            // IndexWorker indexWorker = context.getBroker().getBrokerPool().getIndexManager().getIndexByName(args[2].itemAt(0).getStringValue()).getWorker();
            if (indexWorker == null) {
                throw new XPathException(this, "Unknown index: " + args[2].itemAt(0).getStringValue());
            }
            final Map<String, Object> hints = new HashMap<>();
            if (indexWorker instanceof OrderedValuesIndex) {
                hints.put(OrderedValuesIndex.START_VALUE, args[1]);
            } else {
                logger.warn("{} isn't an instance of org.exist.indexing.OrderedIndexWorker. Start value '{}' ignored.", indexWorker.getClass().getName(), args[1]);
            }
            final Occurrences[] occur = indexWorker.scanIndex(context, docs, nodes, hints);
            if (occur.length == 0) {
                result = Sequence.EMPTY_SEQUENCE;
            } else {
                result = new IntegerValue(occur[0].getDocuments());
            }
        } else {
            final ValueOccurrences[] occur = context.getBroker().getValueIndex().scanIndexKeys(docs, nodes, (Indexable) args[1]);
            if (occur.length == 0) {
                result = Sequence.EMPTY_SEQUENCE;
            } else {
                result = new IntegerValue(occur[0].getDocuments());
            }
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 43 with DocumentSet

use of org.exist.dom.persistent.DocumentSet in project exist by eXist-db.

the class IndexKeyOccurrences method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
    }
    Sequence result;
    if (args[0].isEmpty()) {
        result = Sequence.EMPTY_SEQUENCE;
    } else {
        final NodeSet nodes = args[0].toNodeSet();
        final DocumentSet docs = nodes.getDocumentSet();
        if (this.getArgumentCount() == 3) {
            final IndexWorker indexWorker = context.getBroker().getIndexController().getWorkerByIndexName(args[2].itemAt(0).getStringValue());
            // IndexWorker indexWorker = context.getBroker().getBrokerPool().getIndexManager().getIndexByName(args[2].itemAt(0).getStringValue()).getWorker();
            if (indexWorker == null) {
                throw new XPathException(this, "Unknown index: " + args[2].itemAt(0).getStringValue());
            }
            final Map<String, Object> hints = new HashMap<>();
            if (indexWorker instanceof OrderedValuesIndex) {
                hints.put(OrderedValuesIndex.START_VALUE, args[1]);
            } else {
                logger.warn("{} isn't an instance of org.exist.indexing.OrderedIndexWorker. Start value '{}' ignored.", indexWorker.getClass().getName(), args[1]);
            }
            final Occurrences[] occur = indexWorker.scanIndex(context, docs, nodes, hints);
            if (occur.length == 0) {
                result = Sequence.EMPTY_SEQUENCE;
            } else {
                result = new IntegerValue(occur[0].getOccurrences());
            }
        } else {
            ValueOccurrences[] occur = context.getBroker().getValueIndex().scanIndexKeys(docs, nodes, (Indexable) (args[1].itemAt(0)));
            if (occur.length == 0) {
                occur = context.getBroker().getValueIndex().scanIndexKeys(docs, nodes, null, (Indexable) (args[1].itemAt(0)));
            }
            if (occur.length == 0) {
                result = Sequence.EMPTY_SEQUENCE;
            } else {
                result = new IntegerValue(occur[0].getOccurrences());
            }
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 44 with DocumentSet

use of org.exist.dom.persistent.DocumentSet in project exist by eXist-db.

the class LuceneIndexKeys method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    final String fieldName = args[0].getStringValue();
    final DocumentSet docs = contextSequence == null ? context.getStaticallyKnownDocuments() : contextSequence.getDocumentSet();
    final Map<String, Object> hints = new HashMap<>();
    if (!args[1].isEmpty()) {
        hints.put(OrderedValuesIndex.START_VALUE, args[1].getStringValue());
    }
    IntegerValue max = null;
    if (args[3].hasOne()) {
        max = ((IntegerValue) args[3].itemAt(0));
    }
    if (max != null && max.getInt() > -1) {
        hints.put(IndexWorker.VALUE_COUNT, max);
    }
    final Sequence result = new ValueSequence();
    try (final FunctionReference ref = (FunctionReference) args[2].itemAt(0)) {
        final LuceneIndexWorker index = (LuceneIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(LuceneIndex.ID);
        final Occurrences[] occur = index.scanIndexByField(fieldName, docs, hints);
        final Sequence[] params = new Sequence[2];
        final ValueSequence data = new ValueSequence();
        for (int j = 0; j < occur.length; j++) {
            params[0] = new StringValue(occur[j].getTerm().toString());
            data.add(new IntegerValue(occur[j].getOccurrences(), Type.UNSIGNED_INT));
            data.add(new IntegerValue(occur[j].getDocuments(), Type.UNSIGNED_INT));
            data.add(new IntegerValue(j + 1, Type.UNSIGNED_INT));
            params[1] = data;
            result.addAll(ref.evalFunction(Sequence.EMPTY_SEQUENCE, null, params));
            data.clear();
        }
    }
    return result;
}

Example 45 with DocumentSet

use of org.exist.dom.persistent.DocumentSet in project exist by eXist-db.

the class QueryField method eval.

public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (contextItem != null)
        contextSequence = contextItem.toSequence();
    NodeSet result;
    if (preselectResult == null) {
        long start = System.currentTimeMillis();
        String field = getArgument(0).eval(contextSequence).getStringValue();
        Item query = getKey(contextSequence, null);
        DocumentSet docs = null;
        if (contextSequence == null)
            docs = context.getStaticallyKnownDocuments();
        else
            docs = contextSequence.getDocumentSet();
        NodeSet contextSet = null;
        if (contextSequence != null)
            contextSet = contextSequence.toNodeSet();
        LuceneIndexWorker index = (LuceneIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(LuceneIndex.ID);
        QueryOptions options = parseOptions(this, contextSequence, contextItem, 3);
        try {
            if (Type.subTypeOf(query.getType(), Type.ELEMENT))
                result = index.queryField(getExpressionId(), docs, contextSet, field, (Element) ((NodeValue) query).getNode(), NodeSet.ANCESTOR, options);
            else
                result = index.queryField(context, getExpressionId(), docs, contextSet, field, query.getStringValue(), NodeSet.ANCESTOR, options);
        } catch (IOException e) {
            throw new XPathException(this, e.getMessage());
        }
        if (context.getProfiler().traceFunctions()) {
            context.getProfiler().traceIndexUsage(context, "lucene", this, PerformanceStats.BASIC_INDEX, System.currentTimeMillis() - start);
        }
    } else {
        result = preselectResult.selectAncestorDescendant(contextSequence.toNodeSet(), NodeSet.DESCENDANT, true, getContextId(), true);
    }
    return result;
}