SecurityQuantity (OpenGamma Strata)

All Known Subinterfaces:

EtdPosition, EtdTrade, Position, ResolvableSecurityPosition, ResolvableSecurityTrade, SecuritizedProductPortfolioItem<P>, SecuritizedProductPosition<P>, SecuritizedProductTrade<P>, SecurityQuantityTrade

All Known Implementing Classes:

BillPosition, BillTrade, BondFutureOptionPosition, BondFutureOptionTrade, BondFuturePosition, BondFutureTrade, CapitalIndexedBondPosition, CapitalIndexedBondTrade, DsfPosition, DsfTrade, EtdFuturePosition, EtdFutureTrade, EtdOptionPosition, EtdOptionTrade, FixedCouponBondPosition, FixedCouponBondTrade, GenericSecurityPosition, GenericSecurityTrade, IborFutureOptionPosition, IborFutureOptionTrade, IborFuturePosition, IborFutureTrade, OvernightFuturePosition, OvernightFutureTrade, SecurityPosition, SecurityTrade
```
public interface SecurityQuantity
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A quantity of a security.
This is used to represent the total quantity of a Security. This is the base interface for Position and trades in securities, such as SecurityTrade.
Implementations of this interface must be immutable beans.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`double`	`getQuantity()`	Gets the quantity of the security.
`SecurityId`	`getSecurityId()`	Gets the security identifier.

- Method Detail
  - getSecurityId
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SecurityId getSecurityId()
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    Gets the security identifier.
    This identifier uniquely identifies the security within the system.
    
    Returns:
    
    the security identifier
  - getQuantity
```
double getQuantity()
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    Gets the quantity of the security.
    This returns the net quantity of the underlying security. It can be negative if the security is effectively being sold.
    For a trade, the quantity is positive if the security is being bought and negative if being sold. For a position, the quantity is positive if the net position is long and negative if the net position is short.
    
    Returns:
    
    the net quantity of the security that is held