com.obs.services.model.select

类 SelectEventVisitor

java.lang.Object

com.obs.services.model.select.SelectEventVisitor

public class SelectEventVisitor
extends Object

Interface for a visitor over the events of the input stream Those events not overriden do nothing.

构造器概要

构造器

构造器	说明
SelectEventVisitor()

方法概要

限定符和类型	方法	说明
void	visitContinuationEvent()	Informs that the server is still processing the Select request.
void	visitEndEvent()	Informs than the request has finished successfully.
void	visitProgressEvent(long bytesScanned, long bytesProcessed, long bytesReturned)	Periodic progress information
void	visitRecordsEvent(ByteBuffer payload)	Informs of the next chunk to be processed The content of the chunk is only known by the wire format input serialization format.
void	visitStatsEvent(long bytesScanned, long bytesProcessed, long bytesReturned)	Final statistics when the request has finished successfully

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

SelectEventVisitor

public SelectEventVisitor()

方法详细资料

visitRecordsEvent

public void visitRecordsEvent(ByteBuffer payload)

Informs of the next chunk to be processed The content of the chunk is only known by the wire format input serialization format. The purpose of this method is for monitoring of the chunk sizes or for backup of the input data.

参数:

payload - Buffer with the next chunk of the input stream

visitContinuationEvent

public void visitContinuationEvent()

Informs that the server is still processing the Select request. Used internally to maintain the connection alive. Optionally, the the receiver can abort after some user-defined timeout

visitProgressEvent

public void visitProgressEvent(long bytesScanned,
                               long bytesProcessed,
                               long bytesReturned)

Periodic progress information

参数:

bytesScanned - Current number of input bytes scanned by the server

bytesProcessed - Current number of input bytes processed by the server, less than or equal than the scanned bytes.

bytesReturned - Current number of bytes returned as chunks by the server

visitStatsEvent

public void visitStatsEvent(long bytesScanned,
                            long bytesProcessed,
                            long bytesReturned)

Final statistics when the request has finished successfully

参数:

bytesScanned - Total number of input bytes scanned by the server

bytesProcessed - Total number of input bytes processed by the server, less than or equal than the scanned bytes.

bytesReturned - Total number of bytes returned as chunks by the server

visitEndEvent

public void visitEndEvent()

Informs than the request has finished successfully.