* @return {@code true} if the key is visible or iterator is not scanning, and {@code false} if not
*/
protected boolean canSee(Key key) {
// Ensure that the visibility (which could have been transformed) parses. Must always do this check, even if visibility is not evaluated.
ByteSequence visibility = key.getColumnVisibilityData();
ColumnVisibility colVis = null;
Boolean parsed = (Boolean) parsedVisibilitiesCache.get(visibility);
if (parsed == null) {
try {
colVis = new ColumnVisibility(visibility.toArray());
parsedVisibilitiesCache.put(visibility, Boolean.TRUE);
} catch (BadArgumentException e) {
log.error("Parse error after transformation : " + visibility);
parsedVisibilitiesCache.put(visibility, Boolean.FALSE);
if (scanning) {
return false;
} else {
throw e;
}
}
} else if (!parsed) {
if (scanning)
return false;
else
throw new IllegalStateException();
}
Boolean visible = canSeeColumnFamily(key);
if (!scanning || !visible || ve == null || visibleCache == null || visibility.length() == 0)
return visible;
visible = (Boolean) visibleCache.get(visibility);
if (visible == null) {
try {
if (colVis == null)
colVis = new ColumnVisibility(visibility.toArray());
visible = ve.evaluate(colVis);
visibleCache.put(visibility, visible);
} catch (VisibilityParseException e) {
log.error("Parse Error", e);
visible = Boolean.FALSE;