com.northconcepts.datapipeline.meter
Class MeteredWriter

java.lang.Object
  com.northconcepts.datapipeline.core.DataEndpoint
      com.northconcepts.datapipeline.core.DataWriter
          com.northconcepts.datapipeline.core.ProxyWriter
              com.northconcepts.datapipeline.meter.MeteredWriter

All Implemented Interfaces:

Metered

Direct Known Subclasses:

ThrottledWriter

public class MeteredWriter
extends ProxyWriter
implements Metered

A proxy that measures the rate (bytes/second) at which data is written.

Nested Class Summary

Nested classes/interfaces inherited from class com.northconcepts.datapipeline.core.DataEndpoint

DataEndpoint.State

Field Summary

Fields inherited from class com.northconcepts.datapipeline.core.DataEndpoint

BUFFER_SIZE, log

Constructor Summary

MeteredWriter(DataWriter writer)

Method Summary

DataException	addExceptionProperties(DataException exception) Adds this endpoint's current state to a DataException.
void	close() Indicates that this endpoint has finished reading or writing.
Meter	getMeter()
protected Record	interceptRecord(Record record)

Methods inherited from class com.northconcepts.datapipeline.core.ProxyWriter

getNestedWriter, open, setNestedDataWriter, setNestedDataWriter, writeImpl

Methods inherited from class com.northconcepts.datapipeline.core.DataWriter

getRootWriter, write

Methods inherited from class com.northconcepts.datapipeline.core.DataEndpoint

assertNotOpened, assertOpened, decrementRecordCount, exception, exception, exception, finalize, getDescription, getRecordCount, getRecordCountAsBigInteger, getRecordCountAsString, getState, incrementRecordCount, isClosed, isOpen, isRecordCountBigInteger, resetRecordCount, setDescription, toString

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MeteredWriter

public MeteredWriter(DataWriter writer)

Method Detail

getMeter

public Meter getMeter()

Specified by:

getMeter in interface Metered

interceptRecord

protected Record interceptRecord(Record record)
                          throws Throwable

Overrides:

interceptRecord in class ProxyWriter

Throws:

Throwable

addExceptionProperties

public DataException addExceptionProperties(DataException exception)

Description copied from class: DataEndpoint

Adds this endpoint's current state to a DataException. Since this method is called whenever an exception is thrown, subclasses should override it to add their specific information.

Overrides:

addExceptionProperties in class ProxyWriter

close

public void close()
           throws DataException

Description copied from class: DataEndpoint

Indicates that this endpoint has finished reading or writing.

Overrides:

close in class ProxyWriter

Throws:

DataException