| (window.webpackJsonp=window.webpackJsonp||[]).push([[72],{635:function(s,t,a){"use strict";a.r(t);var n=a(69),e=Object(n.a)({},(function(){var s=this,t=s.$createElement,a=s._self._c||t;return a("ContentSlotsDistributor",{attrs:{"slot-key":s.$parent.slotKey}},[a("h2",{attrs:{id:"iotdb-flink-connector"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#iotdb-flink-connector"}},[s._v("#")]),s._v(" IoTDB-Flink-Connector")]),s._v(" "),a("p",[s._v("IoTDB integration for "),a("a",{attrs:{href:"https://flink.apache.org/",target:"_blank",rel:"noopener noreferrer"}},[s._v("Apache Flink"),a("OutboundLink")],1),s._v(". This module includes the iotdb sink that allows a flink job to write events into timeseries.")]),s._v(" "),a("h3",{attrs:{id:"iotdbsink"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#iotdbsink"}},[s._v("#")]),s._v(" IoTDBSink")]),s._v(" "),a("p",[s._v("To use the "),a("code",[s._v("IoTDBSink")]),s._v(", you need construct an instance of it by specifying "),a("code",[s._v("IoTDBOptions")]),s._v(" and "),a("code",[s._v("IoTSerializationSchema")]),s._v(" instances.\nThe "),a("code",[s._v("IoTDBSink")]),s._v(" send only one event after another by default, but you can change to batch by invoking "),a("code",[s._v("withBatchSize(int)")]),s._v(".")]),s._v(" "),a("h3",{attrs:{id:"example"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#example"}},[s._v("#")]),s._v(" Example")]),s._v(" "),a("p",[s._v("This example shows a case that sends data to a IoTDB server from a Flink job:")]),s._v(" "),a("ul",[a("li",[s._v("A simulated Source "),a("code",[s._v("SensorSource")]),s._v(" generates data points per 1 second.")]),s._v(" "),a("li",[s._v("Flink uses "),a("code",[s._v("IoTDBSink")]),s._v(" to consume the generated data points and write the data into IoTDB.")])]),s._v(" "),a("div",{staticClass:"language-java line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-java"}},[a("code",[a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("org"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("apache"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("iotdb"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("tsfile"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("file"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("metadata"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("enums"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("CompressionType")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("org"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("apache"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("iotdb"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("tsfile"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("file"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("metadata"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("enums"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("TSDataType")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("org"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("apache"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("iotdb"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("tsfile"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("file"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("metadata"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("enums"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("TSEncoding")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("com"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("google"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("common"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("collect"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Lists")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("org"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("apache"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("flink"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("streaming"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("api"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("environment"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("StreamExecutionEnvironment")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("org"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("apache"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("flink"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("streaming"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("api"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("functions"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("source"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("SourceFunction")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("java"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("security"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("SecureRandom")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("java"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("util"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("HashMap")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("java"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("util"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Map")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token namespace"}},[s._v("java"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("util"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")])]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Random")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("public")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("class")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("FlinkIoTDBSink")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("public")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("static")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("void")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("main")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("[")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("]")]),s._v(" args"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("throws")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Exception")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// run the flink job on local mini cluster")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("StreamExecutionEnvironment")]),s._v(" env "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("StreamExecutionEnvironment")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("getExecutionEnvironment")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("IoTDBOptions")]),s._v(" options "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("IoTDBOptions")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n options"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("setHost")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"127.0.0.1"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n options"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("setPort")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token number"}},[s._v("6667")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n options"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("setUser")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"root"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n options"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("setPassword")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"root"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n options"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("setStorageGroup")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"root.sg"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// If the server enables auto_create_schema, then we do not need to register all timeseries")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// here.")]),s._v("\n options"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("setTimeseriesOptionList")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Lists")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("newArrayList")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("IoTDBOptions"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("TimeseriesOption")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"root.sg.d1.s1"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("TSDataType")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("DOUBLE"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("TSEncoding")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("GORILLA"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("CompressionType")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("SNAPPY"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("IoTSerializationSchema")]),s._v(" serializationSchema "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("DefaultIoTSerializationSchema")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("IoTDBSink")]),s._v(" ioTDBSink "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("IoTDBSink")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("options"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" serializationSchema"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// enable batching")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("withBatchSize")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token number"}},[s._v("10")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// how many connectons to the server will be created for each parallelism")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("withSessionPoolSize")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token number"}},[s._v("3")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n env"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("addSource")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("SensorSource")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("name")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"sensor-source"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("setParallelism")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token number"}},[s._v("1")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("addSink")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("ioTDBSink"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("name")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"iotdb-sink"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n env"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("execute")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"iotdb-flink-example"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("private")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("static")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("class")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("SensorSource")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("implements")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("SourceFunction")]),a("span",{pre:!0,attrs:{class:"token generics"}},[a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Map")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" running "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token boolean"}},[s._v("true")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Random")]),s._v(" random "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("SecureRandom")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n "),a("span",{pre:!0,attrs:{class:"token annotation punctuation"}},[s._v("@Override")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("public")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("void")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("run")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("SourceContext")]),s._v(" context"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("throws")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Exception")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("while")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("running"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Map")]),a("span",{pre:!0,attrs:{class:"token generics"}},[a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v(" tuple "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("HashMap")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n tuple"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"device"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"root.sg.d1"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n tuple"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"timestamp"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("valueOf")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("System")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("currentTimeMillis")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n tuple"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"measurements"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"s1"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n tuple"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"types"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"DOUBLE"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n tuple"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token string"}},[s._v('"values"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("valueOf")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("random"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("nextDouble")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n\n context"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("collect")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("tuple"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Thread")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("sleep")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token number"}},[s._v("1000")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n "),a("span",{pre:!0,attrs:{class:"token annotation punctuation"}},[s._v("@Override")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("public")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("void")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token function"}},[s._v("cancel")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n running "),a("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),a("span",{pre:!0,attrs:{class:"token boolean"}},[s._v("false")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br"),a("span",{staticClass:"line-number"},[s._v("2")]),a("br"),a("span",{staticClass:"line-number"},[s._v("3")]),a("br"),a("span",{staticClass:"line-number"},[s._v("4")]),a("br"),a("span",{staticClass:"line-number"},[s._v("5")]),a("br"),a("span",{staticClass:"line-number"},[s._v("6")]),a("br"),a("span",{staticClass:"line-number"},[s._v("7")]),a("br"),a("span",{staticClass:"line-number"},[s._v("8")]),a("br"),a("span",{staticClass:"line-number"},[s._v("9")]),a("br"),a("span",{staticClass:"line-number"},[s._v("10")]),a("br"),a("span",{staticClass:"line-number"},[s._v("11")]),a("br"),a("span",{staticClass:"line-number"},[s._v("12")]),a("br"),a("span",{staticClass:"line-number"},[s._v("13")]),a("br"),a("span",{staticClass:"line-number"},[s._v("14")]),a("br"),a("span",{staticClass:"line-number"},[s._v("15")]),a("br"),a("span",{staticClass:"line-number"},[s._v("16")]),a("br"),a("span",{staticClass:"line-number"},[s._v("17")]),a("br"),a("span",{staticClass:"line-number"},[s._v("18")]),a("br"),a("span",{staticClass:"line-number"},[s._v("19")]),a("br"),a("span",{staticClass:"line-number"},[s._v("20")]),a("br"),a("span",{staticClass:"line-number"},[s._v("21")]),a("br"),a("span",{staticClass:"line-number"},[s._v("22")]),a("br"),a("span",{staticClass:"line-number"},[s._v("23")]),a("br"),a("span",{staticClass:"line-number"},[s._v("24")]),a("br"),a("span",{staticClass:"line-number"},[s._v("25")]),a("br"),a("span",{staticClass:"line-number"},[s._v("26")]),a("br"),a("span",{staticClass:"line-number"},[s._v("27")]),a("br"),a("span",{staticClass:"line-number"},[s._v("28")]),a("br"),a("span",{staticClass:"line-number"},[s._v("29")]),a("br"),a("span",{staticClass:"line-number"},[s._v("30")]),a("br"),a("span",{staticClass:"line-number"},[s._v("31")]),a("br"),a("span",{staticClass:"line-number"},[s._v("32")]),a("br"),a("span",{staticClass:"line-number"},[s._v("33")]),a("br"),a("span",{staticClass:"line-number"},[s._v("34")]),a("br"),a("span",{staticClass:"line-number"},[s._v("35")]),a("br"),a("span",{staticClass:"line-number"},[s._v("36")]),a("br"),a("span",{staticClass:"line-number"},[s._v("37")]),a("br"),a("span",{staticClass:"line-number"},[s._v("38")]),a("br"),a("span",{staticClass:"line-number"},[s._v("39")]),a("br"),a("span",{staticClass:"line-number"},[s._v("40")]),a("br"),a("span",{staticClass:"line-number"},[s._v("41")]),a("br"),a("span",{staticClass:"line-number"},[s._v("42")]),a("br"),a("span",{staticClass:"line-number"},[s._v("43")]),a("br"),a("span",{staticClass:"line-number"},[s._v("44")]),a("br"),a("span",{staticClass:"line-number"},[s._v("45")]),a("br"),a("span",{staticClass:"line-number"},[s._v("46")]),a("br"),a("span",{staticClass:"line-number"},[s._v("47")]),a("br"),a("span",{staticClass:"line-number"},[s._v("48")]),a("br"),a("span",{staticClass:"line-number"},[s._v("49")]),a("br"),a("span",{staticClass:"line-number"},[s._v("50")]),a("br"),a("span",{staticClass:"line-number"},[s._v("51")]),a("br"),a("span",{staticClass:"line-number"},[s._v("52")]),a("br"),a("span",{staticClass:"line-number"},[s._v("53")]),a("br"),a("span",{staticClass:"line-number"},[s._v("54")]),a("br"),a("span",{staticClass:"line-number"},[s._v("55")]),a("br"),a("span",{staticClass:"line-number"},[s._v("56")]),a("br"),a("span",{staticClass:"line-number"},[s._v("57")]),a("br"),a("span",{staticClass:"line-number"},[s._v("58")]),a("br"),a("span",{staticClass:"line-number"},[s._v("59")]),a("br"),a("span",{staticClass:"line-number"},[s._v("60")]),a("br"),a("span",{staticClass:"line-number"},[s._v("61")]),a("br"),a("span",{staticClass:"line-number"},[s._v("62")]),a("br"),a("span",{staticClass:"line-number"},[s._v("63")]),a("br"),a("span",{staticClass:"line-number"},[s._v("64")]),a("br"),a("span",{staticClass:"line-number"},[s._v("65")]),a("br"),a("span",{staticClass:"line-number"},[s._v("66")]),a("br"),a("span",{staticClass:"line-number"},[s._v("67")]),a("br"),a("span",{staticClass:"line-number"},[s._v("68")]),a("br"),a("span",{staticClass:"line-number"},[s._v("69")]),a("br"),a("span",{staticClass:"line-number"},[s._v("70")]),a("br"),a("span",{staticClass:"line-number"},[s._v("71")]),a("br"),a("span",{staticClass:"line-number"},[s._v("72")]),a("br"),a("span",{staticClass:"line-number"},[s._v("73")]),a("br"),a("span",{staticClass:"line-number"},[s._v("74")]),a("br"),a("span",{staticClass:"line-number"},[s._v("75")]),a("br")])]),a("h3",{attrs:{id:"usage"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#usage"}},[s._v("#")]),s._v(" Usage")]),s._v(" "),a("ul",[a("li",[s._v("Launch the IoTDB server.")]),s._v(" "),a("li",[s._v("Run "),a("code",[s._v("org.apache.iotdb.flink.FlinkIoTDBSink.java")]),s._v(" to run the flink job on local mini cluster.")])])])}),[],!1,null,null,null);t.default=e.exports}}]); |