pulsar

1、YoucanuseaPulsarJavaclienttocreatetheJavaproducer，consumer，readersandTableViewofmessagesandtoperformadministrativetasks。

2、ThecurrentJavaclientversionis。Allthemethodsinproducer，consumer，readersandTableViewofaJavaclientarethread-safe。JavadocforthePulsarclientisdividedintotwodomainsbypackageasfollows。

3、PackageDescriptionMavenArtifactTheproducerandconsumerAPIorg。apache。pulsarpulsar-client5TheJavaadminAPIorg。apache。pulsarpulsar-client-admin5Includebothand翻译。Bothandareshadedpackagesandtheyshadedependenciesindependently。

4、Consequently翻译，theapplicationsusingbothandhaveredundantshadedclasses。Itwouldbetroublesomeifyouintroducenewdependenciesbutforgettoupdateshadingrules。

5、Inthiscase，youcanuse，whichshadesdependenciesonlyonetimeandreducesthesizeofdependenciesapache。pulsarpulsar-client-all。ThisdocumentfocusesonlyontheclientAPIforproducingandconsumingmessagesonPulsartopics。ForhowtousetheJavaadminclient。

pulsar翻译

1、seePulsaradmininterface。ThelatestversionofthePulsarJavaclientlibraryisavailableviaMavenCentral。Tousethelatestversion，addthelibrarytoyourbuildconfiguration。IfyouuseMaven。

2、addthefollowinginformationtothefile。IfyouuseGradle，addthefollowinginformationtothefile。

3、ToconnecttoPulsarusingclientlibraries，youneedtospecifyaPulsarprotocolURL。YoucanassignPulsarprotocolURLstospecificclustersandusethescheme。Thedefaultportis。

4、Thefollowingisanexampleof。Ifyouhavemultiplebrokers，theURLisasfollows。AURLforaproductionPulsarclusterisasfollows。IfyouuseTLSauthentication。

5、theURLisasfollows。YoucaninstantiateaPulsarClientobjectusingjustaURLforthetargetPulsarclusterlikethis。Ifyouhavemultiplebrokers，youcaninitiateaPulsarClientlikethis翻译。Ifyourunaclusterinstandalonemode。