Class Decoder

FAST-to-FIX Decoder.

Inheritance

object

Coder

Decoder

Inherited Members

Coder.FixVersion

Coder.FixDictionary

Coder.CodeEachMessageIndependently

Coder.Reset()

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: OnixS.Fix.Fast

Assembly: OnixS.Fix.Engine.dll

Syntax

public class Decoder : Coder

Constructors

Decoder(Stream, IMessageInfoDictionary)

Constructor.

Declaration

public Decoder(Stream templateStream, IMessageInfoDictionary fixDictionary)

Parameters

Type	Name	Description
Stream	templateStream	Stream with content of the FAST template.
IMessageInfoDictionary	fixDictionary	The FIX dictionary to use for decoded messages.

Decoder(Stream, IMessageInfoDictionary, bool)

Constructor.

Declaration

public Decoder(Stream templateStream, IMessageInfoDictionary fixDictionary, bool codeEachMessageIndependently)

Parameters

Type	Name	Description
Stream	templateStream	Stream with content of the FAST template.
IMessageInfoDictionary	fixDictionary	The FIX dictionary to use for decoded messages.
bool	codeEachMessageIndependently	Option to reset the previous values dictionaries.

Properties

FixMessageFactory

Returns message factory to use for creating decoded FIX message instance.

Declaration

public virtual FixMessageFactory FixMessageFactory { get; set; }

Property Value

Type	Description
FixMessageFactory	FIX message factory.

MaximumNumberOfRepeatingGroupEntries

Returns maximum allowed number of repeating group entries. If the limit is exceeded then the exception is thrown. The default value is 1000.

Declaration

public uint MaximumNumberOfRepeatingGroupEntries { get; set; }

Property Value

Type	Description
uint	Maximum number of repeating group entries.

Methods

Decode(ByteBuffer)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual Message Decode(ByteBuffer buffer)

Parameters

Type	Name	Description
ByteBuffer	buffer	An array of bytes that contains the source FAST stream chunk.

Returns

Type	Description
Message	Decoded FIX message or nulltt> if message cannot be decoded.

Exceptions

Type	Condition
FastException	if error occurs

Decode(ByteBuffer, int)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual Message Decode(ByteBuffer buffer, int offset)

Parameters

Type	Name	Description
ByteBuffer	buffer	an array of bytes that contains the source FAST stream chunk
int	offset	the zero-based byte offset in buffer at which to begin decoding

Returns

Type	Description
Message	Decoded FIX message or nulltt> if message cannot be decoded.

Exceptions

Type	Condition
FastException	if error occurs

Decode(DecodeResult, ByteBuffer)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual void Decode(DecodeResult result, ByteBuffer buffer)

Parameters

Type	Name	Description
DecodeResult	result	Decode result to fill.
ByteBuffer	buffer	An array of bytes that contains the source FAST stream chunk.

Exceptions

Type	Condition
FastException	If decoding failed.

Decode(DecodeResult, ByteBuffer, int)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual void Decode(DecodeResult result, ByteBuffer buffer, int offset)

Parameters

Type	Name	Description
DecodeResult	result	Decode result to fill.
ByteBuffer	buffer	An array of bytes that contains the source FAST stream chunk.
int	offset	The number of bytes from the beginning of the byte array to skip.

Exceptions

Type	Condition
FastException	If decoding failed.

Decode(DecodeResult, byte[])

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual void Decode(DecodeResult result, byte[] buffer)

Parameters

Type	Name	Description
DecodeResult	result	Decode result to fill.
byte[]	buffer	An array of bytes that contains the source FAST stream chunk.

Exceptions

Type	Condition
SystemException	If wrong argument supplied.
FastException	If decoding failed.

Decode(DecodeResult, byte[], int)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual void Decode(DecodeResult result, byte[] buffer, int offset)

Parameters

Type	Name	Description
DecodeResult	result	Decode result to fill.
byte[]	buffer	An array of bytes that contains the source FAST stream chunk.
int	offset	The number of bytes from the beginning of the byte array to skip.

Exceptions

Type	Condition
FastException	If decoding failed.

Decode(DecodeResult, byte[], int, int)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual void Decode(DecodeResult result, byte[] buffer, int offset, int count)

Parameters

Type	Name	Description
DecodeResult	result	Decode result to fill.
byte[]	buffer	An array of bytes that contains the source FAST stream chunk.
int	offset	The number of bytes from the beginning of the byte array to skip.
int	count	The number of bytes to process.

Exceptions

Type	Condition
FastException	If decoding failed.

Decode(byte[])

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual Message Decode(byte[] buffer)

Parameters

Type	Name	Description
byte[]	buffer	An array of bytes that contains the source FAST stream chunk.

Returns

Type	Description
Message	Decoded FIX message.

Exceptions

Type	Condition
FastException	If decoding failed.

Decode(byte[], int)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual Message Decode(byte[] buffer, int offset)

Parameters

Type	Name	Description
byte[]	buffer	An array of bytes that contains the source FAST stream chunk.
int	offset	The number of bytes from the beginning of the byte array to skip.

Returns

Type	Description
Message	Decoded FIX message.

Exceptions

Type	Condition
FastException	If decoding failed.

Decode(byte[], int, int)

Decodes the given FAST stream chunk into the corresponding FIX Message.

Declaration

public virtual Message Decode(byte[] buffer, int offset, int count)

Parameters

Type	Name	Description
byte[]	buffer	an array of bytes that contains the source FAST stream chunk
int	offset	the zero-based byte offset in buffer at which to begin decoding
int	count	the number of bytes to process

Returns

Type	Description
Message	decoded FIX message or null if message cannot be decoded

Exceptions

Type	Condition
FastException	if error occurs

DecodeByteVector(byte[], int)

Decodes FAST non-nullable byte vector value.

Declaration

public static DecodedValue<byte[]> DecodeByteVector(byte[] buffer, int offset)

Parameters

Type	Name	Description
byte[]	buffer	FAST-encoded data that represents byte vector.
int	offset	The number of bytes from the beginning of the byte array to skip.

Returns

Type	Description
DecodedValue<byte[]>	Decoded value.

Exceptions

Type	Condition
SystemException	If wrong argument supplied.
FastException	If decoding failed.

DecodeByteVector(byte[], int, int)

Decodes FAST non-nullable byte vector value.

Declaration

public static DecodedValue<byte[]> DecodeByteVector(byte[] buffer, int offset, int count)

Parameters

Type	Name	Description
byte[]	buffer	FAST-encoded data that represents byte vector.
int	offset	The number of bytes from the beginning of the byte array to skip.
int	count	The maximum number of bytes in the byte array to use.

Returns

Type	Description
DecodedValue<byte[]>	Decoded value.

Exceptions

Type	Condition
SystemException	If wrong argument supplied.
FastException	If decoding failed.

DecodeInt32(byte[], int)

Decodes FAST non-nullable Int32 value.

Declaration

public static DecodedValue<int> DecodeInt32(byte[] buffer, int offset)

Parameters

Type	Name	Description
byte[]	buffer	FAST-encoded data that represents 32-bit signed integer.
int	offset	The number of bytes from the beginning of the byte array to skip.

Returns

Type	Description
DecodedValue<int>	Decoded value.

Exceptions

Type	Condition
SystemException	If wrong argument supplied.
FastException	If decoding failed.

DecodeInt32(byte[], int, int)

Decodes FAST non-nullable Int32 value.

Declaration

public static DecodedValue<int> DecodeInt32(byte[] buffer, int offset, int count)

Parameters

Type	Name	Description
byte[]	buffer	FAST-encoded data that represents 32-bit signed integer.
int	offset	The number of bytes from the beginning of the byte array to skip.
int	count	The maximum number of bytes in the byte array to use.

Returns

Type	Description
DecodedValue<int>	Decoded value.

Exceptions

Type	Condition
SystemException	If wrong argument supplied.
FastException	If decoding failed.

DecodeUInt32(byte[], int)

Decodes FAST non-nullable uInt32 value.

Declaration

public static DecodedValue<uint> DecodeUInt32(byte[] buffer, int offset)

Parameters

Type	Name	Description
byte[]	buffer	FAST-encoded data that represents 32-bit unsigned integer.
int	offset	The number of bytes from the beginning of the byte array to skip.

Returns

Type	Description
DecodedValue<uint>	Decoded value.

Exceptions

Type	Condition
SystemException	If wrong argument supplied.
FastException	If decoding failed.

DecodeUInt32(byte[], int, int)

Decodes FAST non-nullable uInt32 value.

Declaration

public static DecodedValue<uint> DecodeUInt32(byte[] buffer, int offset, int count)

Parameters

Type	Name	Description
byte[]	buffer	FAST-encoded data that represents 32-bit unsigned integer.
int	offset	The number of bytes from the beginning of the byte array to skip.
int	count	The maximum number of bytes in the byte array to use.

Returns

Type	Description
DecodedValue<uint>	Decoded value.

Exceptions

Type	Condition
SystemException	If wrong argument supplied.
FastException	If decoding failed.

Extension Methods

DecoderExtension.TryDecode(Decoder, DecodeResult, ByteBuffer)

DecoderExtension.TryDecode(Decoder, DecodeResult, ByteBuffer, int)

DecoderExtension.TryDecode(Decoder, DecodeResult, byte[])

DecoderExtension.TryDecode(Decoder, DecodeResult, byte[], int)

DecoderExtension.TryDecode(Decoder, DecodeResult, byte[], int, int)