// see DbFile.java for javadocs
public Page readPage(PageId pid) {
// some code goes here
if (pid.pageNumber() >= numPages()) {
throw new IllegalArgumentException("page not in file");
}
Page returnme = null;
byte[] data = HeapPage.createEmptyPageData();
long offset = (long) BufferPool.PAGE_SIZE * pid.pageNumber();
try {
raf.seek(offset);
for (int i = 0; i < data.length; i++) {
data[i] = raf.readByte();
}
returnme = new HeapPage((HeapPageId) pid, data);
} catch (EOFException eofe) {
eofe.printStackTrace();
} catch (IOException ioe) {
ioe.printStackTrace();
}
return returnme;
}
