org.gbif.registry.search.util

Class TimeSeriesExtractor

java.lang.Object

org.gbif.registry.search.util.TimeSeriesExtractor

public class TimeSeriesExtractor
extends Object

A utility to extract decades (eg 1980, 1840) or centuries (eg 1400, 1500, 1600) from TemporalCoverages as a list of integers. Max/min bounderies for supplied values can be specific in the constructor for both a decade and a century range to avoid large list of decades for very old or future periods, mostly for bad data.

Constructor Summary

Constructors

Constructor and Description
TimeSeriesExtractor(int minCentury, int maxCentury, int minDecade, int maxDecade)

Method Summary

Modifier and Type	Method and Description
List<Integer>	extractDecades(List<org.gbif.api.model.registry.eml.temporal.TemporalCoverage> temporalCoverages) Produces a list of 4 digit decades or centuries with no duplicates, following normal ordering.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TimeSeriesExtractor

public TimeSeriesExtractor(int minCentury,
                           int maxCentury,
                           int minDecade,
                           int maxDecade)

Parameters:

minCentury - the minimum value ever extracted, eg 1500

maxCentury - the maximum value ever extracted, eg 2400

minDecade - the lowest decade value to be extracted, needs to be within the century range. Eg 1870

maxDecade - the largest decade value to be extracted, needs to be within the century range. Eg 2020

Method Detail

extractDecades

public List<Integer> extractDecades(List<org.gbif.api.model.registry.eml.temporal.TemporalCoverage> temporalCoverages)

Produces a list of 4 digit decades or centuries with no duplicates, following normal ordering. TODO: handle VerbatimTimePeriod?

Parameters:

temporalCoverages - the various time periods

Returns:

a list of 4 digit decades with no duplicates, ordered numerically