org.apache.flink.runtime.operators.shipping

类 OutputCollector<T>

java.lang.Object

org.apache.flink.runtime.operators.shipping.OutputCollector<T>

所有已实现的接口:

org.apache.flink.util.Collector<T>

public class OutputCollector<T>
extends Object
implements org.apache.flink.util.Collector<T>

The OutputCollector collects records, and emits them to the RecordWriters. The OutputCollector tracks to which writers a deep-copy must be given and which not.

构造器概要

构造器

构造器和说明
OutputCollector(List<RecordWriter<SerializationDelegate<T>>> writers, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer) Initializes the output collector with a set of writers.

方法概要

限定符和类型	方法和说明
void	close()
void	collect(T record) Collects a record and emits it to all writers.
List<RecordWriter<SerializationDelegate<T>>>	getWriters() List of writers that are associated with this output 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

OutputCollector

public OutputCollector(List<RecordWriter<SerializationDelegate<T>>> writers,
                       org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

Initializes the output collector with a set of writers. To specify for a writer that it must be fed with a deep-copy, set the bit in the copy flag bit mask to 1 that corresponds to the position of the writer within the List.

参数:

writers - List of all writers.

方法详细资料

collect

public void collect(T record)

Collects a record and emits it to all writers.

指定者:

collect 在接口中 org.apache.flink.util.Collector<T>

close

public void close()

指定者:

close 在接口中 org.apache.flink.util.Collector<T>

getWriters

public List<RecordWriter<SerializationDelegate<T>>> getWriters()

List of writers that are associated with this output collector

返回:

list of writers