Bitter cache management - Bitter Java - page 130

ArrayIndexOutOfBoundsException {
return getBoardCommand().getAuthor(index);
}

1@ Cache key is
held locally.

public String getBoard() {
return board;
}

protected static Hashtable getBoardCache() {
return boardCache;
}

ShowBoardCommand getBoardCommand() {
return boardCommand;
}
public boolean getCached() {
return cached;
}

public String getNumber(int index)
throws
IndexOutOfBoundsException,
ArrayIndexOutOfBoundsException {
return getBoardCommand().getNumber(index);
}

public int getSize() {
return getBoardCommand().getSize();
}

public String getSubject(int index)
throws
IndexOutOfBoundsException,
ArrayIndexOutOfBoundsException {
return getBoardCommand().getSubject(index);
}

public void setBoard(String name) {
board = name;
}

void setBoardCommand(ShowBoardCommand newBoardCommand) {
boardCommand = newBoardCommand;
}
}

B These imports get our usual Java utility classes and a couple of others. We'll use
this command to actually create a ShowBoardCommand or retrieve it from our class.
We'll also include a validation step to ensure that the key fields entered by the con-
troller are valid.