zencd

foo
bar

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@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@interface TestPojo {
  String file()
}

@TestPojo(file = "src/test/resources/foo-response.json")
FooResponse fooResponse
  
// invoke processSpecAnnotations()

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static final Validator VALIDATOR = Validation.buildDefaultValidatorFactory().getValidator()

static void validatePojo(Object pojo) {
    def errors = VALIDATOR.validate(pojo);
    if (errors.size() > 0) {
        log.error("Validation errors for {}: {}", pojo.getClass().getSimpleName(), errors);
        throw new RuntimeException("Pojo validation failed - see logs - " + pojo.getClass().getName());
    }
}

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/** private final DCLValue<Foo> foo = new DCLValue.create();
 *  Foo result = foo.getOrCreate(syncOn, () -> new Foo());
 *  Foo result = foo.get(); */
interface DCLValue<T> {
    T getOrCreate(Object syncOn, Supplier<T> creator);
    T get();
    void set(T value);

    static <T> DCLValue<T> create() {
        return new DCLValueRegular<>();

zencd

enum Foo {
    ONE, TWO;
    private static class Helper {
        public static Map<String, Foo> enumByName = new HashMap<>();
        static {
            Arrays.stream(Foo.values()).forEach(it -> enumByName.put(it.name(), it));
            assert Foo.Helper.enumByName.get("ONE") == Foo.ONE; // usage
        }
    }
}

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public static boolean match(@Nullable Pattern pattern, @Nullable String input) {
    if (pattern == null || input == null) {
        return false;
    }
    return pattern.matcher(input).matches();
}

@Nullable
public static String toStr(@Nullable Object value) {
    return (value != null) ? value.toString() : null;

zencd

{
  "took" : 7,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {

zencd

import math

def percentile(data, perc: int):
    return sorted(data)[int(math.ceil(len(data) * perc / 100)) - 1]

assert 9.0 == percentile([10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0], 90)
assert 146 == percentile([142, 232, 290, 120, 274, 123, 146, 113, 272, 119, 124, 277, 207], 50)

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import time

import requests

url_base = 'http://localhost:9200'

# https://dzone.com/articles/23-useful-elasticsearch-example-queries

fill_data = True
# fill_data = False

zencd

"""
REQUIREMENTS:
python 3.6+ (tested)
pip install plotly==3.3.0
"""

import datetime
import itertools
import logging
import numbers