com.marketfactory.zerogc.api

Class MDEntry

java.lang.Object

com.marketfactory.zerogc.api.MDEntry

All Implemented Interfaces:

IMessage, java.io.Serializable, java.lang.Comparable<MDEntry>

public final class MDEntry
extends java.lang.Object
implements IMessage, java.lang.Comparable<MDEntry>, java.io.Serializable

A market data entry, which indicates how to update a book.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
MFFloat	amount Amount of this entry.
MFString	components For aggregated feeds, a string representation of the components of liquidity.
MDElement	element Kind of element this entry is.
MFFloat	minAmount Amount that represents the small amount than can be executed against for this MDEntry.
short	numberOfOrders For aggregated books, when we get notified of a price level, this is the number of orders.
MFFloat	price Price of this entry.
Side	side Which side the entry is for.
byte	source A bitmask that provides hints regarding what data was used to produce this entry (vanilla market entry, or enhanced).
MDUpdateAction	updateAction The action to apply for incremental updates.

Constructor Summary

Constructors

Modifier	Constructor and Description
	MDEntry()
	MDEntry(MFFloat price, MFFloat amount, MFFloat minAmount, MDUpdateAction updateAction, MDElement element, Side side, byte source, short numberOfOrders, MFString components)
protected	MDEntry(ZeroGCProtoByteBuffer buffer)

Method Summary

Modifier and Type	Method and Description
int	compareTo(MDEntry rhs)
void	deepCopy(MDEntry src)
void	deserializeZeroGC(ZeroGCProtoByteBuffer buffer)
protected void	dump(TextWriter wr)
boolean	equals(java.lang.Object rhs)
int	getMsgType()
int	hashCode()
void	serialize(ZeroGCProtoByteBuffer buffer)
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

price

public MFFloat price

Price of this entry. If this is a structured entry, the price may be invalid.

amount

public MFFloat amount

Amount of this entry. If this is a structured entry, the amount may be invalid.

minAmount

public MFFloat minAmount

Amount that represents the small amount than can be executed against for this MDEntry.

updateAction

public MDUpdateAction updateAction

The action to apply for incremental updates. The action value is irrelevant for snapshot entries.

element

public MDElement element

Kind of element this entry is.

side

public Side side

Which side the entry is for.

source

public byte source

A bitmask that provides hints regarding what data was used to produce this entry (vanilla market entry, or enhanced). @see MDSource enum for possible bit values.

numberOfOrders

public short numberOfOrders

For aggregated books, when we get notified of a price level, this is the number of orders.

components

public MFString components

For aggregated feeds, a string representation of the components of liquidity.

Constructor Detail

MDEntry

public MDEntry()

MDEntry

protected MDEntry(ZeroGCProtoByteBuffer buffer)

MDEntry

public MDEntry(MFFloat price,
               MFFloat amount,
               MFFloat minAmount,
               MDUpdateAction updateAction,
               MDElement element,
               Side side,
               byte source,
               short numberOfOrders,
               MFString components)

Method Detail

getMsgType

public int getMsgType()

Specified by:

getMsgType in interface IMessage

deepCopy

public void deepCopy(MDEntry src)

equals

public boolean equals(java.lang.Object rhs)

Overrides:

equals in class java.lang.Object

compareTo

public int compareTo(MDEntry rhs)

Specified by:

compareTo in interface java.lang.Comparable<MDEntry>

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

deserializeZeroGC

public void deserializeZeroGC(ZeroGCProtoByteBuffer buffer)

Specified by:

deserializeZeroGC in interface IMessage

serialize

public void serialize(ZeroGCProtoByteBuffer buffer)

Specified by:

serialize in interface IMessage

toString

public java.lang.String toString()

Specified by:

toString in interface IMessage

Overrides:

toString in class java.lang.Object

dump

protected void dump(TextWriter wr)