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Example 1 with ASTERNode

use of org.apache.commons.jexl2.parser.ASTERNode in project datawave by NationalSecurityAgency.

the class IsNotNullIntentVisitor method visit.

@Override
public Object visit(ASTERNode node, Object data) {
    // If the ER node is meant to match any string, it can be replaced with FIELD != null.
    Object value = JexlASTHelper.getLiteralValue(node);
    if (".*?".equals(value)) {
        ASTNENode neNode = new ASTNENode(ParserTreeConstants.JJTNENODE);
        neNode.jjtAddChild(node.jjtGetChild(0), 0);
        neNode.jjtAddChild(new ASTNullLiteral(ParserTreeConstants.JJTNULLLITERAL), 1);
        return super.visit(neNode, data);
    }
    return super.visit(node, data);
}
Also used : ASTNENode(org.apache.commons.jexl2.parser.ASTNENode) ASTNullLiteral(org.apache.commons.jexl2.parser.ASTNullLiteral)

Example 2 with ASTERNode

use of org.apache.commons.jexl2.parser.ASTERNode in project datawave by NationalSecurityAgency.

the class IteratorBuildingVisitor method visit.

@Override
public Object visit(ASTAndNode and, Object data) {
    QueryPropertyMarker.Instance instance = QueryPropertyMarker.findInstance(and);
    if (instance.isType(ExceededOrThresholdMarkerJexlNode.class)) {
        JexlNode source = instance.getSource();
        // Ivarator to get the job done
        if (source instanceof ASTAndNode) {
            try {
                ivarateList(and, source, data);
            } catch (IOException ioe) {
                throw new DatawaveFatalQueryException(ioe);
            }
        } else {
            QueryException qe = new QueryException(DatawaveErrorCode.UNEXPECTED_SOURCE_NODE, MessageFormat.format("{0}", "Limited ExceededOrThresholdMarkerJexlNode"));
            throw new DatawaveFatalQueryException(qe);
        }
    } else if (data instanceof IndexRangeIteratorBuilder) {
        // index checking has already been done, otherwise we would not have
        // an "ExceededValueThresholdMarker"
        // hence the "IndexAgnostic" method can be used here
        LiteralRange range = JexlASTHelper.findRange().recursively().getRange(and);
        if (range == null) {
            QueryException qe = new QueryException(DatawaveErrorCode.MULTIPLE_RANGES_IN_EXPRESSION);
            throw new DatawaveFatalQueryException(qe);
        }
        ((IndexRangeIteratorBuilder) data).setRange(range);
    } else if (instance.isType(ExceededValueThresholdMarkerJexlNode.class)) {
        // if the parent is our ExceededValueThreshold marker, then use an
        // Ivarator to get the job done unless we don't have to
        JexlNode source = instance.getSource();
        String identifier = null;
        LiteralRange<?> range = null;
        boolean negatedLocal = false;
        if (source instanceof ASTAndNode) {
            range = buildLiteralRange(source, null);
            identifier = range.getFieldName();
        } else {
            if (source instanceof ASTNRNode || source instanceof ASTNotNode)
                negatedLocal = true;
            range = buildLiteralRange(source);
            identifier = JexlASTHelper.getIdentifier(source);
        }
        boolean negatedOverall = negatedLocal;
        if (data instanceof AbstractIteratorBuilder) {
            AbstractIteratorBuilder oib = (AbstractIteratorBuilder) data;
            if (oib.isInANot()) {
                negatedOverall = !negatedOverall;
            }
        }
        // or the field is index only but not in the term frequencies, then we must ivarate
        if (!limitLookup || !allowTermFrequencyLookup || (indexOnlyFields.contains(identifier) && !termFrequencyFields.contains(identifier))) {
            if (source instanceof ASTAndNode) {
                try {
                    List<ASTFunctionNode> functionNodes = JexlASTHelper.getFunctionNodes(source).stream().filter(node -> JexlFunctionArgumentDescriptorFactory.F.getArgumentDescriptor(node).allowIvaratorFiltering()).collect(Collectors.toList());
                    if (functionNodes.isEmpty()) {
                        ivarateRange(and, source, data);
                    } else {
                        ivarateFilter(and, source, data, functionNodes);
                    }
                } catch (IOException ioe) {
                    throw new DatawaveFatalQueryException("Unable to ivarate", ioe);
                }
            } else if (source instanceof ASTERNode || source instanceof ASTNRNode) {
                try {
                    ivarateRegex(and, source, data);
                } catch (IOException ioe) {
                    throw new DatawaveFatalQueryException("Unable to ivarate", ioe);
                }
            } else {
                QueryException qe = new QueryException(DatawaveErrorCode.UNEXPECTED_SOURCE_NODE, MessageFormat.format("{0}", "ExceededValueThresholdMarkerJexlNode"));
                throw new DatawaveFatalQueryException(qe);
            }
        } else {
            NestedIterator<Key> nested = null;
            if (termFrequencyFields.contains(identifier)) {
                nested = buildExceededFromTermFrequency(identifier, and, source, range, data);
            } else {
                /**
                 * This is okay since 1) We are doc specific 2) We are not index only or tf 3) Therefore, we must evaluate against the document for this
                 * expression 4) Return a stubbed range in case we have a disjunction that breaks the current doc.
                 */
                if (!limitOverride && !negatedOverall)
                    nested = createExceededCheck(identifier, range, and);
            }
            if (null != nested && null != data && data instanceof AbstractIteratorBuilder) {
                AbstractIteratorBuilder iterators = (AbstractIteratorBuilder) data;
                if (negatedLocal) {
                    iterators.addExclude(nested);
                } else {
                    iterators.addInclude(nested);
                }
            } else {
                if (isQueryFullySatisfied == true) {
                    log.warn("Determined that isQueryFullySatisfied should be false, but it was not preset to false in the SatisfactionVisitor");
                }
                return nested;
            }
        }
    } else if (null != data && data instanceof AndIteratorBuilder) {
        and.childrenAccept(this, data);
    } else {
        // Create an AndIterator and recursively add the children
        AbstractIteratorBuilder andItr = new AndIteratorBuilder();
        andItr.negateAsNeeded(data);
        and.childrenAccept(this, andItr);
        // If there is no parent
        if (data == null) {
            // Make this AndIterator the root node
            if (!andItr.includes().isEmpty()) {
                root = andItr.build();
            }
        } else {
            // Otherwise, add this AndIterator to its parent
            AbstractIteratorBuilder parent = (AbstractIteratorBuilder) data;
            if (!andItr.includes().isEmpty()) {
                parent.addInclude(andItr.build());
            }
        }
        if (log.isTraceEnabled()) {
            log.trace("ASTAndNode visit: pretty formatting of:\nparent.includes:" + formatIncludesOrExcludes(andItr.includes()) + "\nparent.excludes:" + formatIncludesOrExcludes(andItr.excludes()));
        }
    }
    return null;
}
Also used : Arrays(java.util.Arrays) Text(org.apache.hadoop.io.Text) ASTSizeMethod(org.apache.commons.jexl2.parser.ASTSizeMethod) AbstractIteratorBuilder(datawave.query.iterator.builder.AbstractIteratorBuilder) JavaRegexParseException(datawave.query.parser.JavaRegexAnalyzer.JavaRegexParseException) IvaratorCacheDir(datawave.query.iterator.ivarator.IvaratorCacheDir) ASTNRNode(org.apache.commons.jexl2.parser.ASTNRNode) Map(java.util.Map) ExceededValueThresholdMarkerJexlNode(datawave.query.jexl.nodes.ExceededValueThresholdMarkerJexlNode) AttributeFactory(datawave.query.attributes.AttributeFactory) JexlFunctionArgumentDescriptorFactory(datawave.query.jexl.functions.JexlFunctionArgumentDescriptorFactory) ExceededOrThresholdMarkerJexlNode(datawave.query.jexl.nodes.ExceededOrThresholdMarkerJexlNode) DatawaveFatalQueryException(datawave.query.exceptions.DatawaveFatalQueryException) ASTJexlScript(org.apache.commons.jexl2.parser.ASTJexlScript) TimeFilter(datawave.query.predicate.TimeFilter) 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Example 3 with ASTERNode

use of org.apache.commons.jexl2.parser.ASTERNode in project datawave by NationalSecurityAgency.

the class RegexReplacementTransformRule method apply.

@Override
public JexlNode apply(JexlNode node, ShardQueryConfiguration config, MetadataHelper helper) {
    if (node instanceof ASTERNode || node instanceof ASTNRNode) {
        JexlNode literal = JexlASTHelper.getLiteral(node);
        literal.image = processPattern(literal.image);
    } else if (node instanceof ASTFunctionNode) {
        FunctionJexlNodeVisitor functionMetadata = new FunctionJexlNodeVisitor();
        node.jjtAccept(functionMetadata, null);
        if (functionMetadata.namespace().equals(EvaluationPhaseFilterFunctions.EVAL_PHASE_FUNCTION_NAMESPACE) && EvaluationPhaseFilterFunctionsDescriptor.EvaluationPhaseFilterJexlArgumentDescriptor.regexFunctions.contains(functionMetadata.name())) {
            JexlNode literal = JexlASTHelper.getLiteral(functionMetadata.args().get(1));
            literal.image = processPattern(literal.image);
        }
    }
    return node;
}
Also used : ASTFunctionNode(org.apache.commons.jexl2.parser.ASTFunctionNode) ASTERNode(org.apache.commons.jexl2.parser.ASTERNode) ASTNRNode(org.apache.commons.jexl2.parser.ASTNRNode) JexlNode(org.apache.commons.jexl2.parser.JexlNode) FunctionJexlNodeVisitor(datawave.query.jexl.functions.FunctionJexlNodeVisitor)

Example 4 with ASTERNode

use of org.apache.commons.jexl2.parser.ASTERNode in project datawave by NationalSecurityAgency.

the class RangeStream method visit.

@Override
public Object visit(ASTERNode node, Object data) {
    IdentifierOpLiteral op = JexlASTHelper.getIdentifierOpLiteral(node);
    if (op == null) {
        return ScannerStream.unindexed(node);
    }
    final String fieldName = op.deconstructIdentifier();
    // HACK to make EVENT_DATATYPE queries work
    if (QueryOptions.DEFAULT_DATATYPE_FIELDNAME.equals(fieldName)) {
        return ScannerStream.unindexed(node);
    }
    if (isUnOrNotFielded(node)) {
        return ScannerStream.noData(node);
    }
    if (isUnindexed(node)) {
        return ScannerStream.unindexed(node);
    }
    if (node instanceof ASTUnknownFieldERNode) {
        return ScannerStream.unknownField(node);
    }
    return ScannerStream.noData(node);
}
Also used : IdentifierOpLiteral(datawave.query.jexl.JexlASTHelper.IdentifierOpLiteral) ASTUnknownFieldERNode(org.apache.commons.jexl2.parser.ASTUnknownFieldERNode)

Example 5 with ASTERNode

use of org.apache.commons.jexl2.parser.ASTERNode in project datawave by NationalSecurityAgency.

the class IteratorBuildingVisitor method ivarateRegex.

/**
 * Build the iterator stack using the regex ivarator (field index caching regex iterator)
 *
 * @param rootNode
 *            the node that was processed to generated this builder
 * @param sourceNode
 *            the source node derived from the root
 * @param data
 */
public void ivarateRegex(JexlNode rootNode, JexlNode sourceNode, Object data) throws IOException {
    IndexRegexIteratorBuilder builder = new IndexRegexIteratorBuilder();
    if (sourceNode instanceof ASTERNode || sourceNode instanceof ASTNRNode) {
        builder.setNegated(sourceNode instanceof ASTNRNode);
        builder.setField(JexlASTHelper.getIdentifier(sourceNode));
        builder.setValue(String.valueOf(JexlASTHelper.getLiteralValue(sourceNode)));
    } else {
        QueryException qe = new QueryException(DatawaveErrorCode.UNEXPECTED_SOURCE_NODE, MessageFormat.format("{0}", "ExceededValueThresholdMarkerJexlNode"));
        throw new DatawaveFatalQueryException(qe);
    }
    builder.negateAsNeeded(data);
    builder.forceDocumentBuild(!limitLookup && this.isQueryFullySatisfied);
    ivarate(builder, rootNode, sourceNode, data);
}
Also used : IndexRegexIteratorBuilder(datawave.query.iterator.builder.IndexRegexIteratorBuilder) DatawaveFatalQueryException(datawave.query.exceptions.DatawaveFatalQueryException) QueryException(datawave.webservice.query.exception.QueryException) ASTERNode(org.apache.commons.jexl2.parser.ASTERNode) ASTNRNode(org.apache.commons.jexl2.parser.ASTNRNode) DatawaveFatalQueryException(datawave.query.exceptions.DatawaveFatalQueryException)

Aggregations

ASTERNode (org.apache.commons.jexl2.parser.ASTERNode)17 JexlNode (org.apache.commons.jexl2.parser.JexlNode)14 ASTNRNode (org.apache.commons.jexl2.parser.ASTNRNode)9 ASTJexlScript (org.apache.commons.jexl2.parser.ASTJexlScript)7 ExceededValueThresholdMarkerJexlNode (datawave.query.jexl.nodes.ExceededValueThresholdMarkerJexlNode)6 ASTEQNode (org.apache.commons.jexl2.parser.ASTEQNode)6 ASTNENode (org.apache.commons.jexl2.parser.ASTNENode)6 ExceededTermThresholdMarkerJexlNode (datawave.query.jexl.nodes.ExceededTermThresholdMarkerJexlNode)5 ASTGENode (org.apache.commons.jexl2.parser.ASTGENode)5 ASTLENode (org.apache.commons.jexl2.parser.ASTLENode)5 Test (org.junit.Test)5 DatawaveFatalQueryException (datawave.query.exceptions.DatawaveFatalQueryException)4 ASTGTNode (org.apache.commons.jexl2.parser.ASTGTNode)4 ASTLTNode (org.apache.commons.jexl2.parser.ASTLTNode)4 ASTReference (org.apache.commons.jexl2.parser.ASTReference)4 IdentifierOpLiteral (datawave.query.jexl.JexlASTHelper.IdentifierOpLiteral)3 QueryException (datawave.webservice.query.exception.QueryException)3 ASTAndNode (org.apache.commons.jexl2.parser.ASTAndNode)3 ASTFunctionNode (org.apache.commons.jexl2.parser.ASTFunctionNode)3 ASTNullLiteral (org.apache.commons.jexl2.parser.ASTNullLiteral)3