PeriodicSourceFunction (Flink ML : Examples 2.3.0 API)

java.lang.Object
- org.apache.flink.ml.examples.util.PeriodicSourceFunction

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.types.Row>
```
public class PeriodicSourceFunction
extends Object
implements org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.types.Row>
```
A source function that collects provided data periodically at a fixed interval.

另请参阅:

序列化表格

嵌套类概要
- 从接口继承的嵌套类/接口 org.apache.flink.streaming.api.functions.source.SourceFunction
  org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T extends Object>

构造器概要

构造器
构造器说明

PeriodicSourceFunction(long interval, List<List<org.apache.flink.types.Row>> data)

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`void`	`cancel()`
`void`	`run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<org.apache.flink.types.Row> sourceContext)`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - PeriodicSourceFunction
```
public PeriodicSourceFunction(long interval,
                              List<List<org.apache.flink.types.Row>> data)
```
    参数:
    
    interval - The time interval in milliseconds to collect data into sourceContext.
    
    data - The data to be collected. Each element is a list of records to be collected between two adjacent intervals.
- 方法详细资料
  - run
```
public void run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<org.apache.flink.types.Row> sourceContext)
         throws Exception
```
    指定者:
    
    run 在接口中 org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.types.Row>
    
    抛出:
    
    Exception
  - cancel
```
public void cancel()
```
    指定者:
    
    cancel 在接口中 org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.types.Row>