com.northconcepts.datapipeline.file
Class FileReader

java.lang.Object
  com.northconcepts.datapipeline.core.DataEndpoint
      com.northconcepts.datapipeline.core.DataReader
          com.northconcepts.datapipeline.file.FileReader

public class FileReader
extends DataReader

Obtains records from a binary stream previously written using a FileWriter.

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

FileReader(DataInput in)

FileReader(File file)

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.
protected Record	readImpl() Overridden by subclasses to read the next record from this DataReader.

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

available, getBufferSize, getNestedReader, 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, open, resetRecordCount, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FileReader

public FileReader(File file)

FileReader

public FileReader(DataInput in)

Method Detail

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 DataReader

close

public void close()

Description copied from class: DataEndpoint

Indicates that this endpoint has finished reading or writing.

Overrides:

close in class DataEndpoint

readImpl

protected Record readImpl()
                   throws Throwable

Description copied from class: DataReader

Overridden by subclasses to read the next record from this DataReader.

If no record is available, null will be returned.

Specified by:

readImpl in class DataReader

Throws:

Throwable