com.marketfactory.mfapi.enterprise.api.sbe

Class SbeUtils

java.lang.Object

com.marketfactory.mfapi.enterprise.api.sbe.SbeUtils

public final class SbeUtils
extends java.lang.Object

Useful utilities for dealing with SBE messages.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NULL_STRING_VALUE

Method Summary

Modifier and Type	Method and Description
static java.math.BigDecimal	convertToBD(com.marketfactory.protocol.sbe4.DecimalQtyNULLDecoder decoder)
static java.math.BigDecimal	convertToBD(com.marketfactory.protocol.sbe4.PriceNULLDecoder decoder)
static double	convertToDouble(com.marketfactory.protocol.sbe4.DecimalQtyNULLDecoder decoder)
static double	convertToDouble(com.marketfactory.protocol.sbe4.PriceNULLDecoder decoder)
static long	convertToNanos(java.time.Clock clock)
static void	copy(com.marketfactory.protocol.sbe4.MessageHeaderDecoder messageHeaderDecoder, java.nio.ByteBuffer destination) Copies the messageDecoder bytes (not the header) into a destination buffer.
static org.agrona.DirectBuffer	copy(com.marketfactory.protocol.sbe4.MessageHeaderDecoder messageHeaderDecoder, org.agrona.sbe.DecoderFlyweight messageDecoder) Copies the messageDecoder bytes (not the header) into a newly created DirectBuffer.
static void	copyDecimalQty(com.marketfactory.protocol.sbe4.DecimalQtyNULLDecoder source, com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder destination)
static void	copyPrice(com.marketfactory.protocol.sbe4.PriceNULLDecoder source, com.marketfactory.protocol.sbe4.PriceNULLEncoder destination)
static int	getDaysSinceEpoch(java.time.LocalDate localDate)
static <T> T	getOr(T value, T nullValue)
static void	populateDecimalQtyNullEncoder(com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder encoder, java.math.BigDecimal quantity) Populates the provided DecimalQtyNULLEncoder (mantissa and exponent) from the provided BigDecimal quantity.
static void	populateDecimalQtyNullEncoder(com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder encoder, long mantissa, int exponent)
static void	populateDecimalQtyNullEncoderWithNullValue(com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder encoder)
static void	populatePriceNullEncoder(com.marketfactory.protocol.sbe4.PriceNULLEncoder encoder, java.math.BigDecimal price) Populates the provided PriceNULLEncoder (mantissa and exponent) from the provided BigDecimal price.
static void	populatePriceNullEncoder(com.marketfactory.protocol.sbe4.PriceNULLEncoder encoder, long mantissa, int exponent)
static void	populatePriceNullEncoderWithNullValue(com.marketfactory.protocol.sbe4.PriceNULLEncoder encoder)

Methods inherited from class java.lang.Object

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

Field Detail

NULL_STRING_VALUE

public static final java.lang.String NULL_STRING_VALUE

Method Detail

getOr

public static <T> T getOr(T value,
                          T nullValue)

populateDecimalQtyNullEncoder

public static void populateDecimalQtyNullEncoder(com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder encoder,
                                                 long mantissa,
                                                 int exponent)

populateDecimalQtyNullEncoderWithNullValue

public static void populateDecimalQtyNullEncoderWithNullValue(com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder encoder)

populatePriceNullEncoderWithNullValue

public static void populatePriceNullEncoderWithNullValue(com.marketfactory.protocol.sbe4.PriceNULLEncoder encoder)

populatePriceNullEncoder

public static void populatePriceNullEncoder(com.marketfactory.protocol.sbe4.PriceNULLEncoder encoder,
                                            long mantissa,
                                            int exponent)

populatePriceNullEncoder

public static void populatePriceNullEncoder(com.marketfactory.protocol.sbe4.PriceNULLEncoder encoder,
                                            java.math.BigDecimal price)

Populates the provided PriceNULLEncoder (mantissa and exponent) from the provided BigDecimal price. Sets the encoder to the null value if the provided price is null.

Parameters:

encoder - encoder to populate

price - used to populate the encoder parameter. Can be null.

populateDecimalQtyNullEncoder

public static void populateDecimalQtyNullEncoder(com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder encoder,
                                                 java.math.BigDecimal quantity)

Populates the provided DecimalQtyNULLEncoder (mantissa and exponent) from the provided BigDecimal quantity. Sets the encoder to the null value if the provided quantity is null.

Parameters:

encoder - encoder to populate

quantity - used to populate the encoder parameter. Can be null.

copyPrice

public static void copyPrice(com.marketfactory.protocol.sbe4.PriceNULLDecoder source,
                             com.marketfactory.protocol.sbe4.PriceNULLEncoder destination)

copyDecimalQty

public static void copyDecimalQty(com.marketfactory.protocol.sbe4.DecimalQtyNULLDecoder source,
                                  com.marketfactory.protocol.sbe4.DecimalQtyNULLEncoder destination)

getDaysSinceEpoch

public static int getDaysSinceEpoch(java.time.LocalDate localDate)

convertToDouble

public static double convertToDouble(com.marketfactory.protocol.sbe4.DecimalQtyNULLDecoder decoder)

convertToBD

public static java.math.BigDecimal convertToBD(com.marketfactory.protocol.sbe4.DecimalQtyNULLDecoder decoder)

convertToDouble

public static double convertToDouble(com.marketfactory.protocol.sbe4.PriceNULLDecoder decoder)

convertToBD

public static java.math.BigDecimal convertToBD(com.marketfactory.protocol.sbe4.PriceNULLDecoder decoder)

convertToNanos

public static long convertToNanos(java.time.Clock clock)

copy

public static org.agrona.DirectBuffer copy(com.marketfactory.protocol.sbe4.MessageHeaderDecoder messageHeaderDecoder,
                                           org.agrona.sbe.DecoderFlyweight messageDecoder)

Copies the messageDecoder bytes (not the header) into a newly created DirectBuffer. Uses the messageHeaderDecoder to provide the number of bytes in the provided messageDecoder to copy (via MessageHeaderDecoder.messageLength())
Note: the maximum messageLength is Integer.MAX_VALUE. If greater, this method will throw an IllegalArgumentException.

Parameters:

messageHeaderDecoder - used to provide the number of bytes in the messageDecoder

messageDecoder - source of the bytes to copy to the returned DirectBuffer

Returns:

a newly created DirectBuffer containing the message bytes from the messageDecoder

copy

public static void copy(com.marketfactory.protocol.sbe4.MessageHeaderDecoder messageHeaderDecoder,
                        java.nio.ByteBuffer destination)

Copies the messageDecoder bytes (not the header) into a destination buffer. Uses the messageHeaderDecoder to provide the number of bytes in the provided messageDecoder to copy (via MessageHeaderDecoder.messageLength())
Note: the maximum messageLength is Integer.MAX_VALUE. If greater, this method will throw an IllegalArgumentException.

Parameters:

messageHeaderDecoder - used to provide the number of bytes in

destination - bytebuffer to copy the message bytes to