RoundRobinMultiInputRecordReaderT Class

Multi input record reader that reads from all currently available inputs in a round robin fashion.

Inheritance Hierarchy

SystemObject
  Ookii.Jumbo.IORecordReaderT
    Ookii.Jumbo.IOMultiInputRecordReaderT
      Ookii.Jumbo.IORoundRobinMultiInputRecordReaderT

Namespace: Ookii.Jumbo.IO
Assembly: Ookii.Jumbo (in Ookii.Jumbo.dll) Version: 2.0.0

Syntax

C++

Copy

public sealed class RoundRobinMultiInputRecordReader<T> : MultiInputRecordReader<T>

Public NotInheritable Class RoundRobinMultiInputRecordReader(Of T)
	Inherits MultiInputRecordReader(Of T)

generic<typename T>
public ref class RoundRobinMultiInputRecordReader sealed : public MultiInputRecordReader<T>

[<SealedAttribute>]
type RoundRobinMultiInputRecordReader<'T> =  
    class
        inherit MultiInputRecordReader<'T>
    end

Type Parameters

T: The type of the records.

The RoundRobinMultiInputRecordReaderT type exposes the following members.

Constructors

	Name	Description
	RoundRobinMultiInputRecordReaderT	Initializes a new instance of the MultiRecordReaderT class.

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Properties

	Name	Description
	AllowRecordReuse	Gets a value that indicates that this record reader is allowed to reuse record instances. (Inherited from MultiInputRecordReaderT.)
	BufferSize	Gets the buffer size to use to read input files. (Inherited from MultiInputRecordReaderT.)
	BytesRead	Gets the actual number of bytes read from the input. (Inherited from MultiInputRecordReaderT.)
	CompressionType	Gets the type of compression to use to read input files. (Inherited from MultiInputRecordReaderT.)
	CurrentInputCount	Gets the current number of inputs that have been added to the MultiInputRecordReaderT for the currently active set of partitions. (Inherited from MultiInputRecordReaderT.)
	CurrentPartition	Gets or sets the partition that calls to ReadRecord should return records for. (Inherited from MultiInputRecordReaderT.)
	CurrentRecord	Gets the current record. (Inherited from RecordReaderT.)
	HasFinished	Gets a value indicating whether this instance has read all records. (Inherited from RecordReaderT.)
	HasRecords	Gets a value that indicates whether there are records available on the data source that this reader is reading from. (Inherited from RecordReaderT.)
	InputBytes	Gets the size of the records before deserialization of all record readers. (Inherited from MultiInputRecordReaderT.)
	PartitionCount	Gets the number of partitions assigned to this reader. (Inherited from MultiInputRecordReaderT.)
	PartitionNumbers	Gets the partition numbers assigned to this reader. (Inherited from MultiInputRecordReaderT.)
	Progress	Gets the combined progress of the record readers. (Inherited from MultiInputRecordReaderT.)
	ReadTime	Gets the time spent reading. (Inherited from RecordReaderT.)
	RecordsRead	Gets the number of records that has been read by this record reader. (Inherited from RecordReaderT.)
	SourceName	Gets or sets the an informational string indicating the source of the records. (Inherited from RecordReaderT.)
	TotalInputCount	Gets the total number of inputs readers that this record reader will have. (Inherited from MultiInputRecordReaderT.)

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Methods

	Name	Description
	AddInput	Adds the specified input to be read by this record reader. (Inherited from MultiInputRecordReaderT.)
	AssignAdditionalPartitions	Assigns additional partitions to this record reader. (Inherited from MultiInputRecordReaderT.)
	Dispose	Cleans up all resources held by this StreamRecordReader{T}. (Inherited from RecordReaderT.)
	EnumerateRecords	Enumerates over all the records. (Inherited from RecordReaderT.)
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	NextPartition	Moves the current partition to the next partition. (Inherited from MultiInputRecordReaderT.)
	ReadRecord	Reads a record. (Inherited from RecordReaderT.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Events

	Name	Description
	CurrentPartitionChanged	Event raised when the value of the CurrentPartition property changes. (Inherited from MultiInputRecordReaderT.)
	CurrentPartitionChanging	Event raised when the value of the CurrentPartition property is about to change. (Inherited from MultiInputRecordReaderT.)
	HasRecordsChanged	Occurs when the value of the HasRecords property changes. (Inherited from RecordReaderT.)

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Remarks

This class does not wait for all inputs to be available. Whatever inputs are available when ReadRecord is called will be used in the list. Inputs where HasRecords is will be skipped.

Reference

Ookii.Jumbo.IO Namespace

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Type Parameters

Reference

RoundRobinMultiInputRecordReaderT Class