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/*
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*
* Copyright (c) [2016-2017] Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
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package fish.payara.nucleus.hazelcast;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ThreadLocalRandom;
/**
* Class to generate random names for Payara Micro instances.
*
* There are over 14,000 different possible names.
* @author Andrew Pielage
*/
public class NameGenerator
{
/** 161 different possible adjectives to describe a fish */
private final String[] adjectives = new String[]{"Adorable", "Adventurous", "Aggressive", "Alert", "Beautiful",
"Blue-eyed", "Bloody", "Blushing", "Bright", "Clear", "Cloudy", "Colourful", "Crowded", "Cute", "Dark",
"Drab", "Distinct", "Dull", "Elegant", "Excited", "Fancy", "Filthy", "Glamorous", "Gleaming", "Gorgeous",
"Graceful", "Grotesque", "Handsome", "Heavy", "Homely", "Light", "Magnificent", "Misty", "Motionless", "Muddy",
"Old-fashioned", "Plain", "Poised", "Precious", "Quaint", "Shiny", "Sparkling", "Spotless", "Stormy",
"Strange", "Ugly", "Unusual", "Wide-eyed ", "Annoying", "Bad", "Beautiful", "Brainy", "Breakable", "Busy",
"Careful", "Cautious", "Clever", "Clumsy", "Concerned", "Crazy", "Curious", "Dead", "Different", "Difficult",
"Doubtful", "Easy", "Famous", "Fragile", "Frail", "Gifted", "Helpful", "Helpless", "Horrible", "Important",
"Impossible", "Innocent", "Inquisitive", "Modern", "Mushy", "Odd", "Open", "Outstanding", "Poor", "Powerful",
"Prickly", "Puzzled", "Rich", "Shy", "Sleepy", "Super", "Talented", "Tame", "Tender", "Tough", "Uninterested",
"Vast", "Wandering", "Wild", "Agreeable", "Amused", "Brave", "Calm", "Charming", "Cheerful", "Comfortable",
"Cooperative", "Courageous", "Delightful", "Determined", "Eager", "Elated", "Enchanting", "Encouraging",
"Energetic", "Enthusiastic", "Excited", "Exuberant", "Fair", "Faithful", "Fantastic", "Fine", "Friendly",
"Funny", "Gentle", "Glorious", "Good", "Happy", "Healthy", "Helpful", "Hilarious", "Jolly", "Joyous", "Kind",
"Lively", "Lovely", "Lucky", "Nice", "Obedient", "Perfect", "Pleasant", "Proud", "Relieved", "Silly",
"Smiling", "Splendid", "Successful", "Thankful", "Thoughtful", "Victorious", "Vivacious", "Witty", "Wonderful",
"Zealous", "Zany", "Bamboozled", "Magnanimous", "Humongous", "Confused", "Maleficent", "Sarcastic",
"Sardonic", "Bemused", "Incandescent", "Furious", "Eccentric", "Laconic"};
/** 87 different sorts of amazing fish */
private final String[] fishes = new String[]{"Payara", "Catfish", "Tetra", "Goldfish", "Anchovy", "Shark", "Anglerfish",
"Angelfish", "Pike", "Pufferfish", "Archerfish", "Char", "Cod", "Tuna", "Haddock", "Plaice", "Danio",
"Barracuda", "Swordfish", "Carp", "Batfish", "Barracudina", "Barramundi", "Blackfish", "Bass", "Boxfish",
"Butterfish", "Chimaera", "Chub", "Cisco", "Clownfish", "Cavefish", "Cowfish", "Cutlassfish", "Daggertooth",
"Dace", "Dab", "Devario", "Dartfish", "Dory", "Goby", "Loach", "Knifefish", "Elver", "Flatfish", "Featherback",
"Flyingfish", "Footballfish", "Fusilier", "Guppy", "Hake", "Hawkfish", "Ide", "Jackfish", "Koi", "Ladyfish",
"Lionfish", "Minnow", "Medusafish", "Monkfish", "Nibbler", "Noodlefish", "Opaleye", "Paddlefish", "Pollock",
"Quillback", "Rainbowfish", "Rockfish", "Sablefish", "Sardine", "Scorpionfish", "Trout", "Skate", "Sole",
"Mackeral", "Dogfish", "Squeaker", "Spookfish", "Stonefish", "Turbot", "Unicornfish", "Velvetfish", "Wahoo",
"Whitebait", "Whalefish", "Ziege", "Pirahna"};
/**
* Generates a new random name of the form adjective + fish.
*
* This is not guranteeed to be unique.
* @return
*/
public String generateName() {
int adjectivesIndex = ThreadLocalRandom.current().nextInt(0, adjectives.length);
int fishIndex = ThreadLocalRandom.current().nextInt(0, fishes.length);
String name = adjectives[adjectivesIndex] + "-" + fishes[fishIndex];
return name;
}
/**
* Generates a unique name. If all names are already is use,
* returns the UUID.
* This method is more computationally expensive then {@link #generateName()}
* @param takenNames a list of all names of instances that already exist
* @param UUID The UUID of the instance
* @return a unique name
*/
public String generateUniqueName(List takenNames, String UUID) {
String name = "";
// Generate a Map of all available names
Map> names = new HashMap<>();
for (String adjective : adjectives) {
names.put(adjective, Arrays.asList(fishes));
}
// Find a name not in use
for (String adjective : names.keySet()) {
// If a name has been found, exit the loop
if (name.equals("")) {
for (String fish : names.get(adjective)) {
String potentialName = adjective + "-" + fish;
if (!takenNames.contains(potentialName)) {
name = potentialName;
break;
}
}
} else {
break;
}
}
// If a unique name was not found, just set it to the instance UUID
if (name.equals("")) {
name = UUID;
}
return name;
}
}