LocalStock (bookstoreinternals 1.5 API)

All Known Implementing Classes:

LocalStockImpl
```
public interface LocalStock
```
Represents the stock of a local bookstore.

Author:

Maximilian Schiedermeier

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getAmount(long isbn)`	Tells the amount in stock for a given book id (isbn).
`Map<Long,Integer>`	`getEntireStock()`	Returns the entire stock of this location, as an immutable map.
`void`	`setAmount(long isbn, int amount)`	Update the amount of books in local stock, for a given book.

- Method Detail
  - getAmount
```
int getAmount(long isbn)
```
    Tells the amount in stock for a given book id (isbn).
    
    Parameters:
    
    isbn - as identifier of the book in question
    
    Returns:
    
    the amount in stock for the given book.
  - setAmount
```
void setAmount(long isbn,
               int amount)
```
    Update the amount of books in local stock, for a given book.
    
    Parameters:
    
    isbn - as identifies of the book in question
    
    amount - as the new amount in stock for the book in question
  - getEntireStock
```
Map<Long,Integer> getEntireStock()
```
    Returns the entire stock of this location, as an immutable map.
    
    Returns:
    
    a map, where the key is a book isbn and the value the amount in stock for this isbn.