Example usage for org.apache.commons.collections4 ListUtils emptyIfNull

List of usage examples for org.apache.commons.collections4 ListUtils emptyIfNull

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Introduction

In this page you can find the example usage for org.apache.commons.collections4 ListUtils emptyIfNull.

Prototype

public static <T> List<T> emptyIfNull(final List<T> list)

Source Link

Document

Returns an immutable empty list if the argument is null, or the argument itself otherwise.

Usage

From source file:com.hp.autonomy.hod.client.api.textindex.query.fields.RetrieveIndexFieldsResponse.java

private RetrieveIndexFieldsResponse(final Builder builder) {
    fieldTypeCounts = builder.fieldTypeCounts;
    totalFields = builder.totalFields;/*from w  w  w  .j  a  v  a2 s  .  c o m*/

    fields.put(FieldTypeParam.AutnRank, ListUtils.emptyIfNull(builder.autnRankTypeFields));
    fields.put(FieldTypeParam.NumericDate, ListUtils.emptyIfNull(builder.dateTypeFields));
    fields.put(FieldTypeParam.Index, ListUtils.emptyIfNull(builder.indexTypeFields));
    fields.put(FieldTypeParam.Numeric, ListUtils.emptyIfNull(builder.numericTypeFields));
    fields.put(FieldTypeParam.Parametric, ListUtils.emptyIfNull(builder.parametricTypeFields));
    fields.put(FieldTypeParam.Reference, ListUtils.emptyIfNull(builder.referenceTypeFields));
    fields.put(FieldTypeParam.All, ListUtils.emptyIfNull(builder.storedTypeFields));
}

From source file:io.cloudslang.lang.tools.build.validation.StaticValidatorImpl.java

private void validateInOutParams(Map<String, String> metadataInOutParams,
        List<? extends InOutParam> inOutParams, String errorMessagePrefix, Queue<RuntimeException> exceptions) {
    for (InOutParam inOutParam : ListUtils.emptyIfNull(inOutParams)) {
        if (MapUtils.isEmpty(metadataInOutParams)) {
            exceptions.add(/*from   ww w .j  av a2  s.  co m*/
                    new MetadataMissingException(errorMessagePrefix + "s are missing description entirely."));
        } else if (metadataInOutParams.get(inOutParam.getName()) == null
                && (!(inOutParam instanceof Input) || !((Input) inOutParam).isPrivateInput())) {
            exceptions.add(new MetadataMissingException(
                    errorMessagePrefix + " '" + inOutParam.getName() + "' is missing description."));
        }
    }
}

From source file:com.hp.autonomy.frontend.find.idol.comparison.ComparisonController.java

@SuppressWarnings("MethodWithTooManyParameters")
@RequestMapping(value = RESULTS_PATH, method = RequestMethod.GET)
public Documents<R> getResults(@RequestParam(STATE_MATCH_PARAM) final List<String> stateMatchIds,
        @RequestParam(value = STATE_DONT_MATCH_PARAM, required = false) final List<String> stateDontMatchIds,
        @RequestParam(value = TEXT_PARAM, required = false, defaultValue = "*") final String text,
        @RequestParam(value = RESULTS_START_PARAM, required = false, defaultValue = "1") final int resultsStart,
        @RequestParam(MAX_RESULTS_PARAM) final int maxResults,
        @RequestParam(SUMMARY_PARAM) final String summary,
        @RequestParam(value = SORT_PARAM, required = false) final String sort,
        @RequestParam(value = HIGHLIGHT_PARAM, required = false, defaultValue = "true") final boolean highlight,
        @RequestParam(value = PROMOTIONS, defaultValue = "false") final boolean promotions) throws E {
    return comparisonService.getResults(stateMatchIds, ListUtils.emptyIfNull(stateDontMatchIds), text,
            resultsStart, maxResults, summary, sort, highlight);
}

From source file:com.hp.autonomy.frontend.find.core.search.RelatedConceptsController.java

@SuppressWarnings("MethodWithTooManyParameters")
@RequestMapping(method = RequestMethod.GET)
@ResponseBody// ww w  . ja v a 2 s  .c om
public List<Q> findRelatedConcepts(@RequestParam(QUERY_TEXT_PARAM) final String queryText,
        @RequestParam(value = FIELD_TEXT_PARAM, defaultValue = "") final String fieldText,
        @RequestParam(DATABASES_PARAM) final List<S> databases,
        @RequestParam(value = MIN_DATE_PARAM, required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) final DateTime minDate,
        @RequestParam(value = MAX_DATE_PARAM, required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) final DateTime maxDate,
        @RequestParam(value = MIN_SCORE_PARAM, defaultValue = "0") final Integer minScore,
        @RequestParam(value = STATE_TOKEN_PARAM, required = false) final List<String> stateTokens,
        @RequestParam(value = MAX_RESULTS, required = false) final Integer maxResults) throws E {
    final QueryRestrictions<S> queryRestrictions = queryRestrictionsBuilderFactory.createBuilder()
            .setQueryText(queryText).setFieldText(fieldText).setDatabases(databases).setMinDate(minDate)
            .setMaxDate(maxDate).setMinScore(minScore).setStateMatchId(ListUtils.emptyIfNull(stateTokens))
            .build();

    final RelatedConceptsRequest<S> relatedConceptsRequest = relatedConceptsRequestBuilderFactory.getObject()
            .setMaxResults(maxResults).setQuerySummaryLength(QUERY_SUMMARY_LENGTH)
            .setQueryRestrictions(queryRestrictions).build();
    return relatedConceptsService.findRelatedConcepts(relatedConceptsRequest);
}

From source file:com.hp.autonomy.frontend.find.core.search.DocumentsController.java

@SuppressWarnings("MethodWithTooManyParameters")
private SearchRequest<S> parseRequestParamsToObject(final String queryText, final int resultsStart,
        final int maxResults, final String summary, final List<S> databases, final String fieldText,
        final String sort, final DateTime minDate, final DateTime maxDate, final boolean highlight,
        final Integer minScore, final boolean autoCorrect) {
    final QueryRestrictions<S> queryRestrictions = queryRestrictionsBuilderFactory.createBuilder()
            .setQueryText(queryText).setFieldText(fieldText).setDatabases(ListUtils.emptyIfNull(databases))
            .setMinDate(minDate).setMaxDate(maxDate).setMinScore(minScore).build();

    return new SearchRequest.Builder<S>().setQueryRestrictions(queryRestrictions).setStart(resultsStart)
            .setMaxResults(maxResults).setSummary(summary).setSummaryCharacters(MAX_SUMMARY_CHARACTERS)
            .setSort(sort).setHighlight(highlight).setAutoCorrect(autoCorrect).build();
}

From source file:com.hp.autonomy.frontend.find.core.search.DocumentsController.java

@SuppressWarnings("MethodWithTooManyParameters")
@RequestMapping(value = SIMILAR_DOCUMENTS_PATH, method = RequestMethod.GET)
@ResponseBody/*w ww.j a v  a2  s.  c o m*/
public Documents<R> findSimilar(@RequestParam(REFERENCE_PARAM) final String reference,
        @RequestParam(value = RESULTS_START_PARAM, defaultValue = "1") final int resultsStart,
        @RequestParam(MAX_RESULTS_PARAM) final int maxResults,
        @RequestParam(SUMMARY_PARAM) final String summary,
        @RequestParam(value = INDEXES_PARAM, required = false) final List<S> databases,
        @RequestParam(value = FIELD_TEXT_PARAM, defaultValue = "") final String fieldText,
        @RequestParam(value = SORT_PARAM, required = false) final String sort,
        @RequestParam(value = MIN_DATE_PARAM, required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) final DateTime minDate,
        @RequestParam(value = MAX_DATE_PARAM, required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) final DateTime maxDate,
        @RequestParam(value = HIGHLIGHT_PARAM, defaultValue = "true") final boolean highlight,
        @RequestParam(value = MIN_SCORE_PARAM, defaultValue = "0") final int minScore) throws E {
    final QueryRestrictions<S> queryRestrictions = queryRestrictionsBuilderFactory.createBuilder()
            .setFieldText(fieldText).setDatabases(ListUtils.emptyIfNull(databases)).setMinDate(minDate)
            .setMaxDate(maxDate).setMinScore(minScore).build();

    final SuggestRequest<S> suggestRequest = new SuggestRequest.Builder<S>().setReference(reference)
            .setQueryRestrictions(queryRestrictions).setStart(resultsStart).setMaxResults(maxResults)
            .setSummary(summary).setSummaryCharacters(MAX_SUMMARY_CHARACTERS).setSort(sort)
            .setHighlight(highlight).build();

    return documentsService.findSimilar(suggestRequest);
}

From source file:com.hp.autonomy.frontend.find.core.parametricfields.ParametricValuesController.java

@SuppressWarnings("MethodWithTooManyParameters")
private R buildRequest(final List<String> fieldNames, final String queryText, final String fieldText,
        final List<S> databases, final DateTime minDate, final DateTime maxDate, final Integer minScore,
        final List<String> stateTokens, final Integer maxValues, final SortParam sort) {
    final QueryRestrictions<S> queryRestrictions = queryRestrictionsBuilderFactory.createBuilder()
            .setQueryText(queryText).setFieldText(fieldText).setDatabases(databases).setMinDate(minDate)
            .setMaxDate(maxDate).setMinScore(minScore).setStateMatchId(ListUtils.emptyIfNull(stateTokens))
            .build();/*from   w w w.j a v  a  2  s.com*/
    return parametricRequestBuilderFactory.getObject().setFieldNames(ListUtils.emptyIfNull(fieldNames))
            .setQueryRestrictions(queryRestrictions).setMaxValues(maxValues).setSort(sort).build();
}

From source file:org.apache.metron.profiler.DefaultProfileBuilder.java

/**
 * Executes the expressions contained within the profile definition.
 *
 * @param expressions A list of expressions to execute.
 * @param transientState Additional transient state provided to the expressions.
 * @param expressionType The type of expression; init, update, result.  Provides additional context if expression execution fails.
 * @return The result of executing each expression.
 *//*from w  ww .ja va2s .  co m*/
private List<Object> execute(List<String> expressions, Map<String, Object> transientState,
        String expressionType) {
    List<Object> results = new ArrayList<>();

    for (String expr : ListUtils.emptyIfNull(expressions)) {
        try {

            // execute an expression
            Object result = executor.execute(expr, transientState, Object.class);
            results.add(result);

        } catch (Throwable e) {

            // in-scope variables = persistent state maintained by the profiler + the transient state
            Set<String> variablesInScope = new HashSet<>();
            variablesInScope.addAll(transientState.keySet());
            variablesInScope.addAll(executor.getState().keySet());

            String msg = format(
                    "Bad '%s' expression: error='%s', expr='%s', profile='%s', entity='%s', variables-available='%s'",
                    expressionType, e.getMessage(), expr, profileName, entity, variablesInScope);
            LOG.error(msg, e);
            throw new ParseException(msg, e);
        }
    }

    return results;
}

From source file:org.apache.metron.profiler.ProfileBuilder.java

/**
 * Executes the expressions contained within the profile definition.
 * @param expressions A list of expressions to execute.
 * @param transientState Additional transient state provided to the expressions.
 * @param expressionType The type of expression; init, update, result.  Provides additional context if expression execution fails.
 * @return The result of executing each expression.
 *//*w w w. j  a  va  2 s .co m*/
private List<Object> execute(List<String> expressions, Map<String, Object> transientState,
        String expressionType) {
    List<Object> results = new ArrayList<>();

    try {
        ListUtils.emptyIfNull(expressions)
                .forEach((expr) -> results.add(executor.execute(expr, transientState, Object.class)));

    } catch (Throwable e) {
        String msg = format("Bad '%s' expression: %s, profile=%s, entity=%s", expressionType, e.getMessage(),
                profileName, entity);
        throw new ParseException(msg, e);
    }

    return results;
}

From source file:org.apache.samza.execution.ExecutionPlanner.java

/**
 * Creates the physical graph from {@link ApplicationDescriptorImpl}
 *//*from   w ww  .j av a2s  .co m*/
/* package private */
JobGraph createJobGraph(ApplicationDescriptorImpl<? extends ApplicationDescriptor> appDesc) {
    JobGraph jobGraph = new JobGraph(config, appDesc);
    // Source streams contain both input and intermediate streams.
    Set<StreamSpec> sourceStreams = getStreamSpecs(appDesc.getInputStreamIds(), streamConfig);
    // Sink streams contain both output and intermediate streams.
    Set<StreamSpec> sinkStreams = getStreamSpecs(appDesc.getOutputStreamIds(), streamConfig);

    Set<StreamSpec> intermediateStreams = Sets.intersection(sourceStreams, sinkStreams);
    Set<StreamSpec> inputStreams = Sets.difference(sourceStreams, intermediateStreams);
    Set<StreamSpec> outputStreams = Sets.difference(sinkStreams, intermediateStreams);

    Set<TableDescriptor> tables = appDesc.getTableDescriptors();

    // Generate job.id and job.name configs from app.id and app.name if defined
    MapConfig generatedJobConfigs = JobPlanner.generateSingleJobConfig(config);
    String jobName = generatedJobConfigs.get(JobConfig.JOB_NAME());
    String jobId = generatedJobConfigs.get(JobConfig.JOB_ID(), "1");

    // For this phase, we have a single job node for the whole DAG
    JobNode node = jobGraph.getOrCreateJobNode(jobName, jobId);

    // Add input streams
    inputStreams.forEach(spec -> jobGraph.addInputStream(spec, node));

    // Add output streams
    outputStreams.forEach(spec -> jobGraph.addOutputStream(spec, node));

    // Add intermediate streams
    intermediateStreams.forEach(spec -> jobGraph.addIntermediateStream(spec, node, node));

    // Add tables
    for (TableDescriptor table : tables) {
        jobGraph.addTable(table, node);
        // Add side-input streams (if any)
        if (table instanceof LocalTableDescriptor) {
            LocalTableDescriptor localTable = (LocalTableDescriptor) table;
            Iterable<String> sideInputs = ListUtils.emptyIfNull(localTable.getSideInputs());
            for (String sideInput : sideInputs) {
                jobGraph.addSideInputStream(getStreamSpec(sideInput, streamConfig));
            }
        }
    }

    if (!LegacyTaskApplication.class.isAssignableFrom(appDesc.getAppClass())) {
        // skip the validation when input streamIds are empty. This is only possible for LegacyTaskApplication
        jobGraph.validate();
    }

    return jobGraph;
}