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druid | Apache Druid: a high performance realtime analytics database

 by   apache Java Version: druid-0.22.1 License: Apache-2.0

 by   apache Java Version: druid-0.22.1 License: Apache-2.0

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kandi X-RAY | druid Summary

druid is a Java library typically used in Big Data applications. druid has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has high support. You can download it from GitHub, Maven.
Druid is a high performance real-time analytics database. Druid's main value add is to reduce time to insight and action. Druid is designed for workflows where fast queries and ingest really matter. Druid excels at powering UIs, running operational (ad-hoc) queries, or handling high concurrency. Consider Druid as an open source alternative to data warehouses for a variety of use cases. The design documentation explains the key concepts.
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • druid has a highly active ecosystem.
  • It has 11685 star(s) with 3237 fork(s). There are 619 watchers for this library.
  • There were 2 major release(s) in the last 12 months.
  • There are 1273 open issues and 3030 have been closed. On average issues are closed in 350 days. There are 206 open pull requests and 0 closed requests.
  • It has a positive sentiment in the developer community.
  • The latest version of druid is druid-0.22.1
druid Support
Best in #Java
Average in #Java
druid Support
Best in #Java
Average in #Java

quality kandi Quality

  • druid has 0 bugs and 0 code smells.
druid Quality
Best in #Java
Average in #Java
druid Quality
Best in #Java
Average in #Java

securitySecurity

  • druid has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • druid code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
druid Security
Best in #Java
Average in #Java
druid Security
Best in #Java
Average in #Java

license License

  • druid is licensed under the Apache-2.0 License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
druid License
Best in #Java
Average in #Java
druid License
Best in #Java
Average in #Java

buildReuse

  • druid releases are available to install and integrate.
  • Deployable package is available in Maven.
  • Build file is available. You can build the component from source.
  • Installation instructions are available. Examples and code snippets are not available.
  • druid saves you 1688123 person hours of effort in developing the same functionality from scratch.
  • It has 795814 lines of code, 45133 functions and 6093 files.
  • It has medium code complexity. Code complexity directly impacts maintainability of the code.
druid Reuse
Best in #Java
Average in #Java
druid Reuse
Best in #Java
Average in #Java
Top functions reviewed by kandi - BETA

kandi has reviewed druid and discovered the below as its top functions. This is intended to give you an instant insight into druid implemented functionality, and help decide if they suit your requirements.

  • Runs the internal task .
  • Constructs and initializes a Jetty Server .
  • Translates an expression into a leaf filter .
  • Scan and aggregate the data for the specified dimensions .
  • Intersection of two sets .
  • Generates a proxy for a given hostname .
  • Process an announcement .
  • Merge and push a sink .
  • Make a join cursor from a joinable joinable .
  • Generate and publish segments .

druid Key Features

Apache Druid: a high performance real-time analytics database.

I can't read .properties when I run tomcat with idea

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public class JDBCUtil {
    private static DataSource druidSource;
    static {
        Properties props = new Properties();
        InputStream is = JDBCUtil.class.getClassLoader().getResourceAsStream("druid.properties");
        try {
            props.load(is);
            druidSource = DruidDataSourceFactory.createDataSource(props);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static Connection getConnection() throws SQLException {
        return druidSource.getConnection();
    }
}

Getting Items out of a Json Array

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var result = jsonRequest("Râsu", "Aegwynn", "mythic_plus_best_runs");

foreach (var item in result["mythic_plus_best_runs"])
{
    Console.WriteLine(item["dungeon"]);
}

How to configure druid batch indexing jobs dynamic EMR cluster for batch ingestion?

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import json
import xmltodict
path = 'mypath'
file = 'yarn-site.xml'
with open(os.path.join(path,file)) as xml_file:
    data_dict = xmltodict.parse(xml_file.read())
    xml_file.close()
    druid_dict = {property.get('name'):property.get('value') for property in data_dict.get('configuration').get('property') }
    print(json.dumps(druid_dict)) ```

Error getting async data from Solis Pro (Ginlong) plataform with payload

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import requests
import json

s = requests.Session()

headers =   {'user-agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36'}
url = 'https://m.ginlong.com/login.html'

resp = s.get(url,headers=headers)
print(resp)

login_url = 'https://m.ginlong.com/cpro/login/validateLogin.json'
payload = {
    'userName':'username',
    'userNameDisplay':'username',
    'password':'password',
    'lan':'2',
    'domain':'m.ginlong.com',
    'userType':'C'
    }

headers = {
    'accept':'application/json, text/plain, */*',
    'accept-encoding':'gzip, deflate, br',
    'content-type':'application/x-www-form-urlencoded',
    'origin':'https://m.ginlong.com',
    'referer':'https://m.ginlong.com/login.html',
    'user-agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36'
    }

login = s.post(login_url,headers=headers,data=payload)
print(login)

new_plant_payload = {
    'name':'new_plant_2',
    'nmi':'',
    'type':'2',
    'gridType':'1',
    'searchInput':'',
    'positionAddressInput':'ChinaJiang Su ShengWu Xi ShiXin Wu QuTian An Zhi Hui Cheng A2',
    'rectangle':'120.36118,31.5065;',
    'lon':'120.36118',
    'lat':'31.5065',
    'address':'ChinaJiang Su ShengWu Xi ShiXin Wu QuTian An Zhi Hui Cheng A2',
    'country':'Jiang Su Sheng',
    'state':'Wu Xi Shi',
    'city':'Xin Wu Qu',
    'district':'Tian An Zhi Hui Cheng A2',
    'countryId':'44',
    'stateId':'',
    'cityId':'',
    'districtId':'',
    'power':'5.00',
    'timezoneId':'34',
    'direction':'180°',
    'angle':'26°',
    'currencyId':'19',
    'benchmarkPrice':'1.372',
    'price':'0.75',
    'priceNet':'1',
    'subsidy':'0.372',
    'subsidyYears':'20',
    'subsidyLocal':'0',
    'subsidyLocalYears':'0',
    'subsidyCity':'0',
    'subsidyCityYears':'0',
    'subsidyCounty':'0',
    'subsidyCountyYears':'0',
    'cost':'37500.00',
    'subsidyBuild':'1000',
    'percent':'0%',
    'interest':'0',
    'years':'',
    'repay':'1',
    'phone':''
    }

create_plant_headers = {
    'accept':'application/json',
    'content-type':'application/x-www-form-urlencoded',
    'user-agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36'
    }

create_url = 'https://m.ginlong.com/cpro/epc/plantCreate/create/doSubmitPlant.json'

create = s.post(create_url,headers=create_plant_headers,data=new_plant_payload)
print(create)
print(create.text)

plant_id = create.json()['result']

async_url = 'https://m.ginlong.com/cpro/epc/plantview/view/doAsyncPlantList.json'
postData = {
   "plantArray": [{"plantId":plant_id,"timezoneId":24,"updateTime":"2022-01-18"}]
}
post_async = s.post(async_url,json=json.dumps(postData))

print(post_async)
print(post_async.text)

Is there a way to make a variable that changes based on the result of a random.choice?

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def randclass():
    return random.choice(class_dict[chosenrace])

def import_barbarian():
    print(chosenrace, "Barbarian")
    if fullconfirm == "yes":
        from barbarianfullbuild import barbarianrandsubclass, barbarianrandbackground, barbarianskills
        print(barbarianrandsubclass)
        print(barbarianrandbackground)
        print(barbarianskills)

def import_druid():
    print(chosenrace, "Druid")
    if fullconfirm == "yes":
        from druidfullbuild import druidrandsubclass, druidrandbackground, druidskills
        print(druidrandsubclass)
        print(druidrandbackground)
        print(druidskills)

import_races = {
    "Barbarian": import_barbarian,
    "Druid": import_druid
    }

import_races[randclass()]()
-----------------------
def randclass():
    return random.choice(class_dict[chosenrace])

a = randclass()
print(chosenrace,a)
b = a.lower()
if fullconfirm == "yes":
   exec(f"from {b}fullbuild import {b}randsubclass, {b}randbackground, {b}skills")
   exec(f"print({b}randsubclass)")
   exec(f"print({b}randbackground)")
   exec(f"print({b}skills)")

How to delete any child Widget from a Flex container

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use druid::{ WidgetPod };
use druid::widget::{*};

//Same as original but has to be copy/pasted because it is private in its 
own crate
pub struct ChildWidget<T> {
    widget: WidgetPod<T, Box<dyn Widget<T>>>,
    params: FlexParams,
}

//Struct with exposed children field
pub struct ClearableFlex<T> {
    direction: Axis,
    cross_alignment: CrossAxisAlignment,
    main_alignment: MainAxisAlignment,
    fill_major_axis: bool,
    pub children: Vec<ChildWidget<T>>, //key part - this is made public
}

impl<T> ClearableFlex<T>
{
    //Method that clears vector containing children
    pub fn clear(& mut self)
    {
        self.children.clear();
    }
}
fn load_products_list(container: &mut Flex<AppState>, data: &mut AppState) {

    //Hacky way to clear children, we use container2 if we need to add children again
    let container2 : &mut Flex<AppState>;
    unsafe {
        let clearable_flex : &mut ClearableFlex<AppState> =     std::mem::transmute( container );
        clearable_flex.clear();
        container2 = std::mem::transmute( clearable_flex );
    }
...
}
-----------------------
use druid::{ WidgetPod };
use druid::widget::{*};

//Same as original but has to be copy/pasted because it is private in its 
own crate
pub struct ChildWidget<T> {
    widget: WidgetPod<T, Box<dyn Widget<T>>>,
    params: FlexParams,
}

//Struct with exposed children field
pub struct ClearableFlex<T> {
    direction: Axis,
    cross_alignment: CrossAxisAlignment,
    main_alignment: MainAxisAlignment,
    fill_major_axis: bool,
    pub children: Vec<ChildWidget<T>>, //key part - this is made public
}

impl<T> ClearableFlex<T>
{
    //Method that clears vector containing children
    pub fn clear(& mut self)
    {
        self.children.clear();
    }
}
fn load_products_list(container: &mut Flex<AppState>, data: &mut AppState) {

    //Hacky way to clear children, we use container2 if we need to add children again
    let container2 : &mut Flex<AppState>;
    unsafe {
        let clearable_flex : &mut ClearableFlex<AppState> =     std::mem::transmute( container );
        clearable_flex.clear();
        container2 = std::mem::transmute( clearable_flex );
    }
...
}

Delete data in druid datasource

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{
  "type": "index_parallel",
  "spec": {
    "dataSchema": {
      "dataSource": "my_datasource",
      "timestampSpec": {
        "column": "RecordDate",
        "format": "YYYY-MM-DD"
      },
      "dimensionsSpec": {
          "dimensions":["RecordDate", "Column1", "Column2"]
      },
      "metricsSpec": [
        
      ],
      "granularitySpec": {
        "type": "uniform",
        "queryGranularity": "none",
        "segmentGranularity": "day",
        "rollup": "false",
        "intervals":["1970-01-01/2021-12-27"]

      },
      "transformSpec" : {
        "transforms" : [ ]
      }
    },
    "ioConfig": {
      "type": "index_parallel",
      "inputSource": {
        "type": "druid",
        "dataSource": "my_datasource",
        "interval": "1970-01-01/2021-12-26",
         "filter" :{"type":"not", "field":{"type":"expression", "expression":"RecordDate >='1997-02-01' && RecordDate<='1997-02-28'"}},
      },
      "appendToExisting":false,
      "dropExisting":true
    },
    "tuningConfig": {
      "type": "index_parallel",
      "partitionsSpec": {
        "type": "dynamic"
      },
      "maxNumConcurrentSubTasks": 4
    }
  }
}

How do I SQL INSERT INTO two different arrays into a table?

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INSERT INTO character_create_template (
        race,
        aspect,
        instance,
        pos_x,
        pos_y,
        pos_z,
        orientation,
        faction,
        autoAttack,
        race_icon,
        class_icon,
        race_description,
        class_description,
        isactive,
        respawnInstance,
        respawnPosX,
        respawnPosY,
        respawnPosZ,
        startingLevel,
        sprint 
    )
with
race as (
  select 'Dwarf' as name
  union all select 'Elf' -- repeat this line for more races
),
class as (
  select 'Barbarian' as name
  union all select 'Bard' -- repeat this line for more classes
)
select 
        437,
        428,
        29,
        - 170,
        74,
        154,
        0,
        1,
        - 1,
        "Assets/Resources/Assets/Icons/Race Icons/Dwarf.png",
        "Assets/Resources/Assets/Icons/Class Icons/Druid.png",
        r.name,
        c.name,
        1,
        29,
        - 170,
        74,
        154,
        1,
        - 1 
from race r
cross join class c

How can I efficiently respond to ingame target selection events?

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# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
# some stuff    

MyAddon.xml
<UI>
    <Script file="MyAddon.lua"/>
    <Frame name="MyAddonFrame">
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnLoad> self:RegisterEvent("PLAYER_ENTERING_WORLD") </OnLoad>
<OnEvent> print("Event name " .. event) </OnEvent>
<OnEvent> MyAddon:OnEvent(self, event, ...) </OnEvent>
MyAddon = {}
function MyAddon:OnEvent(frame, event, ...)
    if event == "SOME_EVENT_NAME" then
        local _, name = ...
        if is this some player then
            MyAddon:SomePlayerDidSomething(name)
        end
    elseif event == "SOME_EVENT_NAME" then
    end
end
MyAddon.classNames = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
}
local className = self.classNames[playerClassId]
if className then
    message("It's a " .. className .. ".")
end
-----------------------
## Interface: 90105
## Version: 1.0.0
## Title: SpeccySpecs
## Notes: Some Description
## Author: YourName

SpeccySpecs.lua
local classes = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
    [4] = "rogue",
    [5] = "priest",
    [6] = "death knight",
    [7] = "shaman",
    [8] = "mage",
    [9] = "warlock",
    [10] = "monk",
    [11] = "druid",
    [12] = "demon hunter",
}

local function getPlayerClass(unit)
    if UnitExists(unit) then
        local text
        if UnitIsPlayer(unit) then
            local _, _, classId = UnitClass(unit)
            local name = classes[classId]
            if name then
                text = "It's a "..name
            else
                text = "That class does not exist"
            end
        else
            text = "Please target a player"
        end
        message(text)
    end
end

local function OnEvent(self, event)
    getPlayerClass("target")
end

local f = CreateFrame("Frame")
f:RegisterEvent("PLAYER_TARGET_CHANGED")
f:SetScript("OnEvent", OnEvent)
local f = CreateFrame("Frame")
f:RegisterEvent("PLAYER_TARGET_CHANGED")
f:SetScript("OnEvent", function(self, event)
    if UnitIsPlayer("target") then
        print("It's a "..UnitClass("target"))
    end
end)
-----------------------
## Interface: 90105
## Version: 1.0.0
## Title: SpeccySpecs
## Notes: Some Description
## Author: YourName

SpeccySpecs.lua
local classes = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
    [4] = "rogue",
    [5] = "priest",
    [6] = "death knight",
    [7] = "shaman",
    [8] = "mage",
    [9] = "warlock",
    [10] = "monk",
    [11] = "druid",
    [12] = "demon hunter",
}

local function getPlayerClass(unit)
    if UnitExists(unit) then
        local text
        if UnitIsPlayer(unit) then
            local _, _, classId = UnitClass(unit)
            local name = classes[classId]
            if name then
                text = "It's a "..name
            else
                text = "That class does not exist"
            end
        else
            text = "Please target a player"
        end
        message(text)
    end
end

local function OnEvent(self, event)
    getPlayerClass("target")
end

local f = CreateFrame("Frame")
f:RegisterEvent("PLAYER_TARGET_CHANGED")
f:SetScript("OnEvent", OnEvent)
local f = CreateFrame("Frame")
f:RegisterEvent("PLAYER_TARGET_CHANGED")
f:SetScript("OnEvent", function(self, event)
    if UnitIsPlayer("target") then
        print("It's a "..UnitClass("target"))
    end
end)
-----------------------
## Interface: 90105
## Version: 1.0.0
## Title: SpeccySpecs
## Notes: Some Description
## Author: YourName

SpeccySpecs.lua
local classes = {
    [1] = "warrior",
    [2] = "paladin",
    [3] = "hunter",
    [4] = "rogue",
    [5] = "priest",
    [6] = "death knight",
    [7] = "shaman",
    [8] = "mage",
    [9] = "warlock",
    [10] = "monk",
    [11] = "druid",
    [12] = "demon hunter",
}

local function getPlayerClass(unit)
    if UnitExists(unit) then
        local text
        if UnitIsPlayer(unit) then
            local _, _, classId = UnitClass(unit)
            local name = classes[classId]
            if name then
                text = "It's a "..name
            else
                text = "That class does not exist"
            end
        else
            text = "Please target a player"
        end
        message(text)
    end
end

local function OnEvent(self, event)
    getPlayerClass("target")
end

local f = CreateFrame("Frame")
f:RegisterEvent("PLAYER_TARGET_CHANGED")
f:SetScript("OnEvent", OnEvent)
local f = CreateFrame("Frame")
f:RegisterEvent("PLAYER_TARGET_CHANGED")
f:SetScript("OnEvent", function(self, event)
    if UnitIsPlayer("target") then
        print("It's a "..UnitClass("target"))
    end
end)

Ingest 2-digit year with druid?

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"timestampSpec": {
  "column": "timestamp",
  "format": "MM/dd/yy"
}

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QUESTION

I can't read .properties when I run tomcat with idea

Asked 2022-Apr-02 at 16:04

I'm learning JavaWeb and deploying local tomcat9 in idea. An exception occurred when I tried to connect to the database by reading the properties file. It should be that my properties file was not found.

I tried to change the file path but it didn't work. What should I do?

This is my method to connect to the database and message

public class JDBCUtil {
    private static DataSource druidSource;
    static {
        Properties props = new Properties();
        InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream("production/begin/druid.properties");
        try {
            props.load(is);
            druidSource = DruidDataSourceFactory.createDataSource(props);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static Connection getConnection() throws SQLException {
        return druidSource.getConnection();
    }
}
java.lang.NullPointerException: inStream parameter is null
    at java.base/java.util.Objects.requireNonNull(Objects.java:233)
    at java.base/java.util.Properties.load(Properties.java:407)
    at DAO.util.JDBCUtil.<clinit>(JDBCUtil.java:24)
    at servlets.AddServlet.doPost(AddServlet.java:39)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:681)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
    at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.base/java.lang.Thread.run(Thread.java:831)

This is my directory

Operating environment:MacOS12, idea2021.3.3, tomcat9.0.62, Java16.0.1

ANSWER

Answered 2022-Apr-02 at 16:04

This problem has been solved.Thank for rehnoj's help.

The answer in Different behavior of ClassLoader.getSystemClassLoader().getResource() in servlet container and test environment.

The correct code

public class JDBCUtil {
    private static DataSource druidSource;
    static {
        Properties props = new Properties();
        InputStream is = JDBCUtil.class.getClassLoader().getResourceAsStream("druid.properties");
        try {
            props.load(is);
            druidSource = DruidDataSourceFactory.createDataSource(props);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static Connection getConnection() throws SQLException {
        return druidSource.getConnection();
    }
}

Source https://stackoverflow.com/questions/71716619

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install druid

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Support

You can find the documentation for the latest Druid release on the project website. If you would like to contribute documentation, please do so under /docs in this repository and submit a pull request.

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