org.apache.flink.streaming.api.functions.sink.filesystem.rollingpolicies

类 CheckpointRollingPolicy<IN,BucketID>

java.lang.Object

org.apache.flink.streaming.api.functions.sink.filesystem.rollingpolicies.CheckpointRollingPolicy<IN,BucketID>

所有已实现的接口:

Serializable, RollingPolicy<IN,BucketID>

直接已知子类:

OnCheckpointRollingPolicy

@PublicEvolving
public abstract class CheckpointRollingPolicy<IN,BucketID>
extends Object
implements RollingPolicy<IN,BucketID>

An abstract RollingPolicy which rolls on every checkpoint.

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	CheckpointRollingPolicy.PolicyBuilder<IN,BucketID,T extends CheckpointRollingPolicy.PolicyBuilder<IN,BucketID,T>> The base abstract builder class for CheckpointRollingPolicy.

构造器概要

构造器

构造器和说明
CheckpointRollingPolicy()

方法概要

限定符和类型	方法和说明
boolean	shouldRollOnCheckpoint(PartFileInfo<BucketID> partFileState) Determines if the in-progress part file for a bucket should roll on every checkpoint.
abstract boolean	shouldRollOnEvent(PartFileInfo<BucketID> partFileState, IN element) Determines if the in-progress part file for a bucket should roll based on its current state, e.g. its size.
abstract boolean	shouldRollOnProcessingTime(PartFileInfo<BucketID> partFileState, long currentTime) Determines if the in-progress part file for a bucket should roll based on a time condition.

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

CheckpointRollingPolicy

public CheckpointRollingPolicy()

方法详细资料

shouldRollOnCheckpoint

public boolean shouldRollOnCheckpoint(PartFileInfo<BucketID> partFileState)

从接口复制的说明: RollingPolicy

Determines if the in-progress part file for a bucket should roll on every checkpoint.

指定者:

shouldRollOnCheckpoint 在接口中 RollingPolicy<IN,BucketID>

参数:

partFileState - the state of the currently open part file of the bucket.

返回:

True if the part file should roll, false otherwise.

shouldRollOnEvent

public abstract boolean shouldRollOnEvent(PartFileInfo<BucketID> partFileState,
                                          IN element)
                                   throws IOException

从接口复制的说明: RollingPolicy

Determines if the in-progress part file for a bucket should roll based on its current state, e.g. its size.

指定者:

shouldRollOnEvent 在接口中 RollingPolicy<IN,BucketID>

参数:

partFileState - the state of the currently open part file of the bucket.

element - the element being processed.

返回:

True if the part file should roll, false otherwise.

抛出:

IOException

shouldRollOnProcessingTime

public abstract boolean shouldRollOnProcessingTime(PartFileInfo<BucketID> partFileState,
                                                   long currentTime)
                                            throws IOException

从接口复制的说明: RollingPolicy

Determines if the in-progress part file for a bucket should roll based on a time condition.

指定者:

shouldRollOnProcessingTime 在接口中 RollingPolicy<IN,BucketID>

参数:

partFileState - the state of the currently open part file of the bucket.

currentTime - the current processing time.

返回:

True if the part file should roll, false otherwise.

抛出:

IOException