Example usage for edu.stanford.nlp.semgraph.semgrex SemgrexMatcher getNodeNames

Introduction

In this page you can find the example usage for edu.stanford.nlp.semgraph.semgrex SemgrexMatcher getNodeNames.

Prototype

public Set<String> getNodeNames() 

Source Link

Document

Returns the set of names for named nodes in this pattern.

Usage

From source file:org.wso2.extension.siddhi.gpl.execution.nlp.SemgrexPatternStreamProcessor.java

License:Open Source License

@Override
protected void process(ComplexEventChunk<StreamEvent> streamEventChunk, Processor nextProcessor,
        StreamEventCloner streamEventCloner, ComplexEventPopulater complexEventPopulater) {
    synchronized (this) {
        while (streamEventChunk.hasNext()) {
            StreamEvent streamEvent = streamEventChunk.next();

            Annotation document = pipeline
                    .process(attributeExpressionExecutors[1].execute(streamEvent).toString());

            for (CoreMap sentence : document.get(CoreAnnotations.SentencesAnnotation.class)) {
                SemanticGraph graph = sentence
                        .get(SemanticGraphCoreAnnotations.CollapsedCCProcessedDependenciesAnnotation.class);
                SemgrexMatcher matcher = regexPattern.matcher(graph);

                while (matcher.find()) {
                    Object[] data = new Object[attributeCount];
                    data[0] = matcher.getMatch().value();

                    for (String nodeName : matcher.getNodeNames()) {
                        if (namedElementParamPositions.containsKey(nodeName)) {
                            data[namedElementParamPositions.get(nodeName)] = matcher.getNode(nodeName) == null
                                    ? null
                                    : matcher.getNode(nodeName).word();
                        }/*from   w w w . ja v  a2  s  .com*/
                    }

                    for (String relationName : matcher.getRelationNames()) {
                        if (namedElementParamPositions.containsKey(relationName)) {
                            data[namedElementParamPositions.get(relationName)] = matcher
                                    .getRelnString(relationName);
                        }
                    }
                    StreamEvent newStreamEvent = streamEventCloner.copyStreamEvent(streamEvent);
                    complexEventPopulater.populateComplexEvent(newStreamEvent, data);
                    streamEventChunk.insertBeforeCurrent(newStreamEvent);
                }
            }
            streamEventChunk.remove();
        }
    }
    nextProcessor.process(streamEventChunk);
}

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From source file:org.wso2.siddhi.extension.nlp.SemgrexPatternTransformProcessor.java

License:Open Source License

@Override
protected InStream processEvent(InEvent inEvent) {
    if (logger.isDebugEnabled()) {
        logger.debug(String.format("Event received. Regex:%s Event:%s", regexPattern.pattern(), inEvent));
    }/*w w  w.  j a  va  2s. com*/

    Object[] inStreamData = inEvent.getData();

    Annotation document = pipeline.process((String) inEvent.getData(inStreamParamPosition));

    InListEvent transformedListEvent = new InListEvent();

    for (CoreMap sentence : document.get(CoreAnnotations.SentencesAnnotation.class)) {
        SemanticGraph graph = sentence
                .get(SemanticGraphCoreAnnotations.CollapsedCCProcessedDependenciesAnnotation.class);
        SemgrexMatcher matcher = regexPattern.matcher(graph);

        while (matcher.find()) {
            Object[] outStreamData = new Object[inStreamData.length + attributeCount];
            outStreamData[0] = matcher.getMatch().value();

            for (String nodeName : matcher.getNodeNames()) {
                if (namedElementParamPositions.containsKey(nodeName)) {
                    outStreamData[namedElementParamPositions.get(nodeName)] = matcher.getNode(nodeName) == null
                            ? null
                            : matcher.getNode(nodeName).word();
                }
            }

            for (String relationName : matcher.getRelationNames()) {
                if (namedElementParamPositions.containsKey(relationName)) {
                    outStreamData[namedElementParamPositions.get(relationName)] = matcher
                            .getRelnString(relationName);
                }
            }

            System.arraycopy(inStreamData, 0, outStreamData, attributeCount, inStreamData.length);
            transformedListEvent
                    .addEvent(new InEvent(inEvent.getStreamId(), System.currentTimeMillis(), outStreamData));
        }
    }

    return transformedListEvent;
}

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