org.apache.flink.hadoopcompatibility.mapred.wrapper

类 HadoopOutputCollector<KEY,VALUE>

java.lang.Object

org.apache.flink.hadoopcompatibility.mapred.wrapper.HadoopOutputCollector<KEY,VALUE>

所有已实现的接口:

org.apache.hadoop.mapred.OutputCollector<KEY,VALUE>

public final class HadoopOutputCollector<KEY,VALUE>
extends Object
implements org.apache.hadoop.mapred.OutputCollector<KEY,VALUE>

A Hadoop OutputCollector that wraps a Flink OutputCollector. On each call of collect() the data is forwarded to the wrapped Flink collector.

构造器概要

构造器

构造器和说明
HadoopOutputCollector()

方法概要

限定符和类型	方法和说明
void	collect(KEY key, VALUE val) Use the wrapped Flink collector to collect a key-value pair for Flink.
void	setFlinkCollector(org.apache.flink.util.Collector<org.apache.flink.api.java.tuple.Tuple2<KEY,VALUE>> flinkCollector) Set the wrapped Flink collector.

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

HadoopOutputCollector

public HadoopOutputCollector()

方法详细资料

setFlinkCollector

public void setFlinkCollector(org.apache.flink.util.Collector<org.apache.flink.api.java.tuple.Tuple2<KEY,VALUE>> flinkCollector)

Set the wrapped Flink collector.

参数:

flinkCollector - The wrapped Flink OutputCollector.

collect

public void collect(KEY key,
                    VALUE val)
             throws IOException

Use the wrapped Flink collector to collect a key-value pair for Flink.

指定者:

collect 在接口中 org.apache.hadoop.mapred.OutputCollector<KEY,VALUE>

参数:

key - the key to collect

val - the value to collect

抛出:

IOException - unexpected of key or value in key-value pair.