IntViewBufferImpl(ByteBuffer bb, int capacity) {
super(capacity, capacity, 0, -1);
this.bb = bb;
this.offset = bb.position();
this.readOnly = bb.isReadOnly();
this.endian = bb.order();
if (bb.isDirect()) this.address = VMDirectByteBuffer.adjustAddress(bb.address, offset);
}
public IntBuffer compact() {
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
ByteBuffer db = bb.duplicate();
db.limit(ix(lim));
db.position(ix(0));
ByteBuffer sb = db.slice();
sb.position(pos << 2);
sb.compact();
position(rem);
limit(capacity());
return this;
}
/**
* Compares two <code>ByteBuffer</code> objects.
*
* @exception ClassCastException If obj is not an object derived from <code>ByteBuffer</code>.
*/
public int compareTo(ByteBuffer other) {
int num = Math.min(remaining(), other.remaining());
int pos_this = position();
int pos_other = other.position();
for (int count = 0; count < num; count++) {
byte a = get(pos_this++);
byte b = other.get(pos_other++);
if (a == b) continue;
if (a < b) return -1;
return 1;
}
return remaining() - other.remaining();
}
public ByteBuffer asReadOnlyBuffer() {
ByteBuffer b = new ArrayByteBuffer(array, arrayOffset, capacity, true);
b.position(position());
b.limit(limit());
return b;
}
