Example usage for org.apache.commons.collections15 CollectionUtils select

Introduction

In this page you can find the example usage for org.apache.commons.collections15 CollectionUtils select.

Prototype

public static <E> Collection<E> select(Collection<E> inputCollection, Predicate<? super E> predicate) 

Source Link

Document

Selects all elements from input collection which match the given predicate into an output collection.

Usage

From source file:ch.algotrader.esper.EngineManagerImpl.java

@Override
@SuppressWarnings("unchecked")
public void logStatementMetrics() {

    for (Map.Entry<String, Engine> entry : this.engineMap.entrySet()) {
        Engine engine = entry.getValue();

        if (engine.isDeployed("METRICS")) {

            List<StatementMetricVO> metrics = engine.getAllEvents("METRICS");

            // consolidate ON_TRADE_COMPLETED and ON_FIRST_TICK
            for (final String statementName : new String[] { "ON_TRADE_COMPLETED", "ON_FIRST_TICK" }) {

                // select metrics where the statementName startsWith
                Collection<StatementMetricVO> selectedMetrics = CollectionUtils.select(metrics,
                        new Predicate<StatementMetricVO>() {
                            @Override
                            public boolean evaluate(StatementMetricVO metric) {
                                return metric.getStatementName() != null
                                        && metric.getStatementName().startsWith(statementName);
                            }/*from w w  w  .j  ava  2  s  . c om*/
                        });

                // add cpuTime, wallTime and numInput
                if (selectedMetrics.size() > 0) {

                    long cpuTime = 0;
                    long wallTime = 0;
                    long numInput = 0;
                    for (StatementMetricVO metric : selectedMetrics) {

                        cpuTime += metric.getCpuTime();
                        wallTime += metric.getWallTime();
                        numInput += metric.getNumInput();

                        // remove the original metric
                        metrics.remove(metric);
                    }

                    // add a consolidated metric
                    metrics.add(new StatementMetricVO(engine.getStrategyName(), statementName, cpuTime,
                            wallTime, numInput));
                }
            }

            if (LOGGER.isInfoEnabled()) {
                for (StatementMetricVO metric : metrics) {
                    LOGGER.info("{}.{}: {} millis {} events", metric.getEngineURI(), metric.getStatementName(),
                            metric.getWallTime(), metric.getNumInput());
                }
            }
        }
    }
}

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From source file:ch.algotrader.simulation.Simulator.java

public Collection<Position> findOpenPositions() {
    return CollectionUtils.select(this.positionsByStrategy.values(), entity -> entity.getQuantity() != 0);
}

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From source file:gov.nih.nci.cabig.caaers.domain.report.ReportDefinition.java

/**
 * Will return all the ReportMandatoryFieldDefinition that are not rule based.
 *
 * @return the all non rule based mandatory fields
 *//*from  w w w . ja  v a  2  s.  com*/
@Transient
public Collection<ReportMandatoryFieldDefinition> getAllNonRuleBasedMandatoryFields() {
    return CollectionUtils.select(getMandatoryFields(), new Predicate<ReportMandatoryFieldDefinition>() {
        public boolean evaluate(ReportMandatoryFieldDefinition rd) {
            return !rd.isRuleBased();
        }
    });
}

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From source file:gov.nih.nci.cabig.caaers.domain.report.ReportDefinition.java

/**
 * Will return the ReportMandatoryFieldDefinition that are associated to rules.
 *
 * @return the all rule based mandatory fields
 *//*from   w  w  w.  j a va2  s  . c  o m*/
@Transient
public Collection<ReportMandatoryFieldDefinition> getAllRuleBasedMandatoryFields() {
    return CollectionUtils.select(getMandatoryFields(), new Predicate<ReportMandatoryFieldDefinition>() {
        public boolean evaluate(ReportMandatoryFieldDefinition rd) {
            return rd.isRuleBased();
        }
    });
}

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From source file:gov.nih.nci.cabig.caaers.domain.report.ReportDefinition.java

/**
 * Will return the ReportMandatoryFieldDefinition that are self referenced.
 *
 * @return the self referenced rule based mandatory fields
 *///from   ww w.  j  av  a2s . c o m
@Transient
public Collection<ReportMandatoryFieldDefinition> getSelfReferencedRuleBasedMandatoryFields() {
    return CollectionUtils.select(getMandatoryFields(), new Predicate<ReportMandatoryFieldDefinition>() {
        public boolean evaluate(ReportMandatoryFieldDefinition rd) {
            return rd.isRuleBased() && rd.isSelfReferenced();
        }
    });
}

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From source file:gov.nih.nci.cabig.caaers.domain.report.ReportDefinition.java

/**
 * Will return the ReportMandatoryFieldDefinition that are not self referenced.
 *
 * @return the non self referenced rule based mandatory fields
 *///from w w  w  . j  av a2  s  .  c  o m
@Transient
public Collection<ReportMandatoryFieldDefinition> getNonSelfReferencedRuleBasedMandatoryFields() {
    return CollectionUtils.select(getMandatoryFields(), new Predicate<ReportMandatoryFieldDefinition>() {
        public boolean evaluate(ReportMandatoryFieldDefinition rd) {
            return rd.isRuleBased() && !rd.isSelfReferenced();
        }
    });
}

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From source file:ch.algotrader.esper.EngineImpl.java

private String[] findStatementNames(final String statementNameRegex) {

    EPAdministrator administrator = this.serviceProvider.getEPAdministrator();

    // find the first statement that matches the given statementName regex
    Collection<String> names = CollectionUtils.select(Arrays.asList(administrator.getStatementNames()),
            statement -> statement.matches(statementNameRegex));
    return names.toArray(new String[names.size()]);
}

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From source file:org.drugis.addis.presentation.wizard.NetworkMetaAnalysisWizardPM.java

/**
 * Create a filtered list of studies that includes only those studies that
 * compare at least two of the definitions on the given variable.
 *//* w w w  .  ja v  a  2s .com*/
public static List<Study> filterStudiesComparing(final Variable var, final Collection<Study> studies,
        final Collection<TreatmentDefinition> defs) {
    return (List<Study>) CollectionUtils.select(studies, new Predicate<Study>() {
        public boolean evaluate(Study s) {
            int count = 0;
            for (TreatmentDefinition def : defs) {
                if (!s.getMeasuredArms(var, def).isEmpty()) {
                    ++count;
                }
            }
            return count > 1;
        }
    });
}

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From source file:org.drugis.addis.presentation.wizard.NetworkMetaAnalysisWizardPM.java

/**
 * Create a filtered list of definitions that includes only those definitions that
 * are measured on the given variable in at least one study.
 *//*from  w  w  w .  j a  va  2 s . c  o  m*/
public static List<TreatmentDefinition> filterDefinitionsMeasured(final Variable var,
        Collection<TreatmentDefinition> defs, final Collection<Study> studies) {
    return (List<TreatmentDefinition>) CollectionUtils.select(defs, new Predicate<TreatmentDefinition>() {
        public boolean evaluate(TreatmentDefinition def) {
            for (Study s : studies) {
                if (!s.getMeasuredArms(var, def).isEmpty()) {
                    return true;
                }
            }
            return false;
        }
    });
}

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From source file:org.funcito.example.collectionsgeneric.MyClass.java

protected static void demoListFilters(List<MyClass> list) {
    Collection<MyClass> filtered1 = CollectionUtils.select(list, isLengthGT1);
    Collection<MyClass> filtered2 = CollectionUtils.select(list, isLengthGT3);

    printValues("select length > 1", filtered1);
    printValues("select length > 3", filtered2);
}

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