/**
* Receive as many items as possible from the given byte buffer to this buffer.
*
* <p>The <TT>receiveItems()</TT> method must not block the calling thread; if it does, all
* message I/O in MP will be blocked.
*
* @param i Index of first item to receive, in the range 0 .. <TT>length</TT>-1.
* @param num Maximum number of items to receive.
* @param buffer Byte buffer.
* @return Number of items received.
*/
protected int receiveItems(int i, int num, ByteBuffer buffer) {
int index = i;
int off = myArrayOffset + i * myStride;
int max = Math.min(i + num, myLength);
while (index < max && buffer.remaining() >= 1) {
myArray[off] = myOp.op(myArray[off], buffer.get());
++index;
off += myStride;
}
return index - i;
}
/**
* Store the given item in this buffer.
*
* <p>The <TT>put()</TT> method must not block the calling thread; if it does, all message I/O in
* MP will be blocked.
*
* @param i Item index in the range 0 .. <TT>length()</TT>-1.
* @param item Item to be stored at index <TT>i</TT>.
*/
public void put(int i, byte item) {
int off = myArrayOffset + i * myStride;
myArray[off] = myOp.op(myArray[off], item);
}