Examples with TemporalPredicate ddf.catalog.pubsub.predicate.TemporalPredicate used on opensource projects

Example 1 with TemporalPredicate

use of ddf.catalog.pubsub.predicate.TemporalPredicate in project ddf by codice.

the class SubscriptionFilterVisitor method visit.

/**
 * During filter maps to a Temporal (Absolute and Modified) search criteria.
 */
@Override
public Object visit(During filter, Object data) {
    LOGGER.debug("ENTERING: During filter");
    AttributeExpressionImpl temporalTypeAttribute = (AttributeExpressionImpl) filter.getExpression1();
    String temporalType = temporalTypeAttribute.getPropertyName();
    LiteralExpressionImpl timePeriodLiteral = (LiteralExpressionImpl) filter.getExpression2();
    Object literal = timePeriodLiteral.getValue();
    Predicate returnPredicate = null;
    if (literal instanceof Period) {
        Period timePeriod = (Period) literal;
        // Extract the start and end dates from the OGC TOverlaps filter
        Date start = timePeriod.getBeginning().getPosition().getDate();
        Date end = timePeriod.getEnding().getPosition().getDate();
        LOGGER.debug("time period lowerBound = {}", start);
        LOGGER.debug("time period upperBound = {}", end);
        LOGGER.debug("EXITING: (temporal) filter");
        returnPredicate = new TemporalPredicate(start, end, DateType.getDateType(temporalType));
    // CREATE RELATIVE
    } else if (literal instanceof PeriodDuration) {
        DefaultPeriodDuration duration = (DefaultPeriodDuration) literal;
        long offset = duration.getTimeInMillis();
        LOGGER.debug("EXITING: (temporal) filter");
        returnPredicate = new TemporalPredicate(offset, DateType.getDateType(temporalType));
    }
    LOGGER.debug("temporalType: {}", temporalType);
    LOGGER.debug("Temporal Predicate: {}", returnPredicate);
    LOGGER.debug("EXITING: During filter");
    return returnPredicate;
}