private static final class FullCodecHandler implements CodecHandler {
private final TempBufferHolder _bufH =
TempBufferHolder.newHolder(TempBufferHolder.Type.HARD, true);
private final PageChannel _channel;
private FullCodecHandler(PageChannel channel) {
_channel = channel;
}
public boolean canEncodePartialPage() {
return false;
}
public boolean canDecodeInline() {
return true;
}
public void decodePage(ByteBuffer inPage, ByteBuffer outPage, int pageNumber)
throws IOException {
byte[] arr = inPage.array();
fullDecode(arr, arr, pageNumber);
}
public ByteBuffer encodePage(ByteBuffer page, int pageNumber, int pageOffset)
throws IOException {
assertEquals(0, pageOffset);
assertEquals(_channel.getFormat().PAGE_SIZE, page.limit());
ByteBuffer bb = _bufH.getPageBuffer(_channel);
bb.clear();
fullEncode(page.array(), bb.array(), pageNumber);
return bb;
}
}
public ByteBuffer encodePage(ByteBuffer page, int pageNumber, int pageOffset)
throws IOException {
ByteBuffer bb = _bufH.getPageBuffer(_channel);
bb.clear();
simpleEncode(page.array(), bb.array(), pageNumber, pageOffset, page.limit());
return bb;
}
public ByteBuffer encodePage(ByteBuffer page, int pageNumber, int pageOffset)
throws IOException {
assertEquals(0, pageOffset);
assertEquals(_channel.getFormat().PAGE_SIZE, page.limit());
ByteBuffer bb = _bufH.getPageBuffer(_channel);
bb.clear();
fullEncode(page.array(), bb.array(), pageNumber);
return bb;
}
