com.northconcepts.datapipeline.filter
Class FilteringReader

java.lang.Object
  com.northconcepts.datapipeline.core.DataEndpoint
      com.northconcepts.datapipeline.core.DataReader
          com.northconcepts.datapipeline.core.ProxyReader
              com.northconcepts.datapipeline.filter.FilteringReader

Direct Known Subclasses:

ValidatingReader

public class FilteringReader
extends ProxyReader

A proxy that applies filters to determine which records passes through.

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

FilteringReader(DataReader reader)

Method Summary

FilteringReader	add(Filter... filters)
DataException	addExceptionProperties(DataException exception) Adds this endpoint's current state to a DataException.
protected Record	discard(Record record, Filter filter)
Filter	get(int index)
int	getCount()
Filter	getCurrentFilter()
protected Record	interceptRecord(Record record)
FilteringReader	remove(int index)
FilteringReader	removeAll()

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

available, close, getNestedReader, open, readImpl, setNestedDataReader, setNestedDataReader

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

getBufferSize, getRootReader, peek, pop, push, read, skip

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteringReader

public FilteringReader(DataReader reader)

Method Detail

add

public FilteringReader add(Filter... filters)

getCurrentFilter

public Filter getCurrentFilter()

getCount

public int getCount()

get

public Filter get(int index)

remove

public FilteringReader remove(int index)

removeAll

public FilteringReader removeAll()

interceptRecord

protected Record interceptRecord(Record record)
                          throws Throwable

Overrides:

interceptRecord in class ProxyReader

Throws:

Throwable

discard

protected Record discard(Record record,
                         Filter filter)

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 ProxyReader