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contribs/application/src/main/java/org/matsim/application/analysis/population/Category.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,199 @@ | ||
| package org.matsim.application.analysis.population; | ||
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| import org.matsim.core.config.ReflectiveConfigGroup; | ||
| import org.matsim.utils.objectattributes.attributable.Attributes; | ||
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| import java.util.*; | ||
| import java.util.regex.Pattern; | ||
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| /** | ||
| * Helper class to categorize values into groups. | ||
| */ | ||
| public final class Category { | ||
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| private static final Set<String> TRUE = Set.of("true", "yes", "1", "on", "y", "j", "ja"); | ||
| private static final Set<String> FALSE = Set.of("false", "no", "0", "off", "n", "nein"); | ||
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| /** | ||
| * Unique values of the category. | ||
| */ | ||
| private final Set<String> values; | ||
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| /** | ||
| * Groups of values that have been subsumed under a single category. | ||
| * These are values separated by , | ||
| */ | ||
| private final Map<String, String> grouped; | ||
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| /** | ||
| * Regular expressions for each category. | ||
| */ | ||
| private final Map<String, Pattern> regex; | ||
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| /** | ||
| * Range categories. | ||
| */ | ||
| private final List<Range> ranges; | ||
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| public Category(Set<String> values) { | ||
| this.values = values; | ||
| this.grouped = new HashMap<>(); | ||
| this.regex = new HashMap<>(); | ||
| for (String v : values) { | ||
| if (v.contains(",")) { | ||
| String[] grouped = v.split(","); | ||
| for (String g : grouped) { | ||
| this.grouped.put(g, v); | ||
| } | ||
| } | ||
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| if (v.startsWith("/") && v.endsWith("/")) { | ||
| this.regex.put(v, Pattern.compile(v.substring(1, v.length() - 1), Pattern.CASE_INSENSITIVE)); | ||
| } | ||
| } | ||
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| boolean range = this.values.stream().allMatch(v -> v.contains("-") || v.contains("+")); | ||
| if (range) { | ||
| ranges = new ArrayList<>(); | ||
| for (String value : this.values) { | ||
| if (value.contains("-")) { | ||
| String[] parts = value.split("-"); | ||
| ranges.add(new Range(Double.parseDouble(parts[0]), Double.parseDouble(parts[1]), value)); | ||
| } else if (value.contains("+")) { | ||
| ranges.add(new Range(Double.parseDouble(value.replace("+", "")), Double.POSITIVE_INFINITY, value)); | ||
| } | ||
| } | ||
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| ranges.sort(Comparator.comparingDouble(r -> r.left)); | ||
| } else | ||
| ranges = null; | ||
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| // Check if all values are boolean | ||
| if (values.stream().allMatch(v -> TRUE.contains(v.toLowerCase()) || FALSE.contains(v.toLowerCase()))) { | ||
| for (String value : values) { | ||
| Set<String> group = TRUE.contains(value.toLowerCase()) ? TRUE : FALSE; | ||
| for (String g : group) { | ||
| this.grouped.put(g, value); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| /** | ||
| * Create categories from config parameters. | ||
| */ | ||
| public static Map<String, Category> fromConfigParams(Collection<? extends ReflectiveConfigGroup> params) { | ||
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| Map<String, Set<String>> categories = new HashMap<>(); | ||
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| // Collect all values | ||
| for (ReflectiveConfigGroup parameter : params) { | ||
| for (Map.Entry<String, String> kv : parameter.getParams().entrySet()) { | ||
| categories.computeIfAbsent(kv.getKey(), k -> new HashSet<>()).add(kv.getValue()); | ||
| } | ||
| } | ||
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| return categories.entrySet().stream() | ||
| .collect(HashMap::new, (m, e) -> m.put(e.getKey(), new Category(e.getValue())), HashMap::putAll); | ||
| } | ||
|
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| /** | ||
| * Match attributes from an object with parameters defined in config. | ||
| */ | ||
| public static boolean matchAttributesWithConfig(Attributes attr, ReflectiveConfigGroup config, Map<String, Category> categories) { | ||
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| for (Map.Entry<String, String> e : config.getParams().entrySet()) { | ||
| // might be null if not defined | ||
| Object objValue = attr.getAttribute(e.getKey()); | ||
| String category = categories.get(e.getKey()).categorize(objValue); | ||
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| // compare as string | ||
| if (!Objects.toString(category).equals(e.getValue())) | ||
| return false; | ||
| } | ||
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| return true; | ||
| } | ||
|
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| /** | ||
| * Categorize a single value. | ||
| */ | ||
| public String categorize(Object value) { | ||
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| if (value == null) | ||
| return null; | ||
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| if (value instanceof Boolean) { | ||
| // Booleans and synonyms are in the group map | ||
| return categorize(((Boolean) value).toString().toLowerCase()); | ||
| } else if (value instanceof Number) { | ||
| return categorizeNumber((Number) value); | ||
| } else { | ||
| String v = value.toString(); | ||
| if (values.contains(v)) | ||
| return v; | ||
| else if (grouped.containsKey(v)) | ||
| return grouped.get(v); | ||
| else { | ||
| for (Map.Entry<String, Pattern> kv : regex.entrySet()) { | ||
| if (kv.getValue().matcher(v).matches()) | ||
| return kv.getKey(); | ||
| } | ||
| } | ||
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| try { | ||
| double d = Double.parseDouble(v); | ||
| return categorizeNumber(d); | ||
| } catch (NumberFormatException e) { | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
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| private String categorizeNumber(Number value) { | ||
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| if (ranges != null) { | ||
| for (Range r : ranges) { | ||
| if (value.doubleValue() >= r.left && value.doubleValue() < r.right) | ||
| return r.label; | ||
| } | ||
| } | ||
|
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| // Match string representation | ||
| String v = value.toString(); | ||
| if (values.contains(v)) | ||
| return v; | ||
| else if (grouped.containsKey(v)) | ||
| return grouped.get(v); | ||
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| // Convert the number to a whole number, which will have a different string representation | ||
| if (value instanceof Float || value instanceof Double) { | ||
| return categorizeNumber(value.longValue()); | ||
| } | ||
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| return null; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "Category{" + | ||
| "values=" + values + | ||
| (grouped != null && !grouped.isEmpty() ? ", grouped=" + grouped : "") + | ||
| (regex != null && !regex.isEmpty() ? ", regex=" + regex : "") + | ||
| (ranges != null && !ranges.isEmpty() ? ", ranges=" + ranges : "") + | ||
| '}'; | ||
| } | ||
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| /** | ||
| * Number range. | ||
| * | ||
| * @param left Left bound of the range. | ||
| * @param right Right bound of the range. (exclusive) | ||
| * @param label Label of this group. | ||
| */ | ||
| private record Range(double left, double right, String label) { | ||
| } | ||
| } |
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