Examples with AggregateAnalysisEngine_impl org.apache.uima.analysis_engine.impl.AggregateAnalysisEngine_impl used on opensource projects

Example 1 with AggregateAnalysisEngine_impl

use of org.apache.uima.analysis_engine.impl.AggregateAnalysisEngine_impl in project dkpro-lab by dkpro.

the class SimpleExecutionEngine method run.

@Override
public String run(Task aConfiguration) throws ExecutionException, LifeCycleException {
    if (!(aConfiguration instanceof UimaTask)) {
        throw new ExecutionException("This engine can only execute [" + UimaTask.class.getName() + "]");
    }
    UimaTask configuration = (UimaTask) aConfiguration;
    // Create persistence service for injection into analysis components
    TaskContext ctx = contextFactory.createContext(aConfiguration);
    try {
        ResourceManager resMgr = newDefaultResourceManager();
        // Make sure the descriptor is fully resolved. It will be modified and
        // thus should not be modified again afterwards by UIMA.
        AnalysisEngineDescription analysisDesc = configuration.getAnalysisEngineDescription(ctx);
        analysisDesc.resolveImports(resMgr);
        if (analysisDesc.getMetaData().getName() == null) {
            analysisDesc.getMetaData().setName("Analysis for " + aConfiguration.getType());
        }
        // Scan components that accept the service and bind it to them
        bindResource(analysisDesc, TaskContext.class, TaskContextProvider.class, TaskContextProvider.PARAM_FACTORY_NAME, contextFactory.getId(), TaskContextProvider.PARAM_CONTEXT_ID, ctx.getId());
        // Set up UIMA context & logging
        Logger logger = new UimaLoggingAdapter(ctx);
        UimaContextAdmin uimaCtx = newUimaContext(logger, resMgr, newConfigurationManager());
        // Set up reader
        CollectionReaderDescription readerDesc = configuration.getCollectionReaderDescription(ctx);
        if (readerDesc.getMetaData().getName() == null) {
            readerDesc.getMetaData().setName("Reader for " + aConfiguration.getType());
        }
        Map<String, Object> addReaderParam = new HashMap<String, Object>();
        addReaderParam.put(Resource.PARAM_UIMA_CONTEXT, uimaCtx);
        addReaderParam.put(Resource.PARAM_RESOURCE_MANAGER, resMgr);
        CollectionReader reader = produceCollectionReader(readerDesc, resMgr, addReaderParam);
        // Set up analysis engine
        AnalysisEngine engine;
        if (analysisDesc.isPrimitive()) {
            engine = new PrimitiveAnalysisEngine_impl();
        } else {
            engine = new AggregateAnalysisEngine_impl();
        }
        Map<String, Object> addEngineParam = new HashMap<String, Object>();
        addReaderParam.put(Resource.PARAM_UIMA_CONTEXT, uimaCtx);
        addReaderParam.put(Resource.PARAM_RESOURCE_MANAGER, resMgr);
        engine.initialize(analysisDesc, addEngineParam);
        // Now the setup is complete
        ctx.getLifeCycleManager().initialize(ctx, aConfiguration);
        // Start recording
        ctx.getLifeCycleManager().begin(ctx, aConfiguration);
        // Run the experiment
        // Apply the engine to all documents provided by the reader
        List<ResourceMetaData> metaData = new ArrayList<ResourceMetaData>();
        metaData.add(reader.getMetaData());
        metaData.add(engine.getMetaData());
        CAS cas = CasCreationUtils.createCas(metaData);
        while (reader.hasNext()) {
            reader.getNext(cas);
            engine.process(cas);
            String documentTitle = "";
            Feature documentTitleFeature = cas.getDocumentAnnotation().getType().getFeatureByBaseName("documentTitle");
            if (documentTitleFeature != null) {
                documentTitle = cas.getDocumentAnnotation().getFeatureValueAsString(documentTitleFeature);
            }
            cas.reset();
            Progress[] progresses = reader.getProgress();
            if (progresses != null) {
                for (Progress p : progresses) {
                    ctx.message("Progress " + readerDesc.getImplementationName() + " " + p.getCompleted() + "/" + p.getTotal() + " " + p.getUnit() + " " + "(" + documentTitle + ")");
                }
            }
        }
        // Shut down engine and reader
        engine.collectionProcessComplete();
        reader.close();
        engine.destroy();
        reader.destroy();
        // End recording
        ctx.getLifeCycleManager().complete(ctx, aConfiguration);
        return ctx.getId();
    } catch (LifeCycleException e) {
        ctx.getLifeCycleManager().fail(ctx, aConfiguration, e);
        throw e;
    } catch (Throwable e) {
        ctx.getLifeCycleManager().fail(ctx, aConfiguration, e);
        throw new ExecutionException(e);
    } finally {
        if (ctx != null) {
            ctx.getLifeCycleManager().destroy(ctx, aConfiguration);
        }
    }
}