Vertx是一个高效的异步框架,支持Java、Scala、JavaScript、Kotlin等多种语言。在非性能调优的场景下,TPS可以高达2-3万,同时,支持多种数据源也提供了异步支持。
大数据的同学肯定对其很了解,是Apache基金会下的顶级工程,Phoenix帮助Hbase提供了SQL语法的支持,让难用的Hbase变得简单易用。
在项目应用中,为了达到简单、高效的接口化查询功能。
只对涉及Phoenix方面进行讲解,通过Scala进行编写
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-mysql-postgresql-client</artifactId>
</dependency>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-jdbc-client</artifactId>
</dependency>
<dependency>
<groupId>org.apache.phoenix</groupId>
<artifactId>phoenix-core</artifactId>
<version>4.13.1-HBase-1.3</version>
</dependency>
class HbaseDatabase(vertx: Vertx, dbConfig: DBInfoEntity, queryTimeout: Long)
extends AbstractDatabase(vertx, dbConfig, queryTimeout) with LazyLogging {
var hbaseClient: JDBCClient = _
init(vertx, dbConfig, queryTimeout)
override def init(vertx: Vertx, dbConfig: DBInfoEntity, queryTimeout: Long): Unit = {
val HbaseClientConfig: JsonObject = new JsonObject()
.put("url", dbConfig.getHost)
.put("user", "")
.put("password", "")
.put("max_idle_time", queryTimeout)
.put("driver_class", "org.apache.phoenix.jdbc.PhoenixDriver")
this.hbaseClient = JDBCClient.createShared(vertx, HbaseClientConfig)
}
override def action(bodyInformation: BodyInformationVO, callback: Resp[Object] => Unit): Unit = {
hbaseClient.getConnection(new Handler[AsyncResult[SQLConnection]]() {
override def handle(res: AsyncResult[SQLConnection]): Unit = {
if (res.succeeded()) {
val connection = res.result()
connection.query(bodyInformation.command, new Handler[AsyncResult[ResultSet]]() {
override def handle(result: AsyncResult[ResultSet]): Unit = {
if (result.succeeded()) {
setMetaData(result.result().getColumnNames, CacheContainer.getMetadatas)
callback(Resp.success(result.result().getRows()))
} else {
logger.error("Get HBase value is error", result.cause())
callback("Get HBase value is error")
}
}
})
} else {
logger.error("Get HBase connect is error", res.cause())
callback("Get HBase connect is error")
}
}
})
}
jdbc:phoenix:host1,host2:2181:/hbase