@Override
public Container iand(final BitmapContainer b2) {
int newCardinality = 0;
for (int k = 0; k < this.bitmap.length; ++k) {
newCardinality += Long.bitCount(this.bitmap[k] & b2.bitmap[k]);
}
if (newCardinality > ArrayContainer.DEFAULT_MAX_SIZE) {
for (int k = 0; k < this.bitmap.length; ++k) {
this.bitmap[k] = this.bitmap[k] & b2.bitmap[k];
}
this.cardinality = newCardinality;
return this;
}
ArrayContainer ac = new ArrayContainer(newCardinality);
Util.fillArrayAND(ac.content, this.bitmap, b2.bitmap);
ac.cardinality = newCardinality;
return ac;
}
@Override
public Container and(final BitmapContainer value2) {
int newCardinality = 0;
for (int k = 0; k < this.bitmap.length; ++k) {
newCardinality += Long.bitCount(this.bitmap[k] & value2.bitmap[k]);
}
if (newCardinality > ArrayContainer.DEFAULT_MAX_SIZE) {
final BitmapContainer answer = new BitmapContainer();
for (int k = 0; k < answer.bitmap.length; ++k) {
answer.bitmap[k] = this.bitmap[k] & value2.bitmap[k];
}
answer.cardinality = newCardinality;
return answer;
}
ArrayContainer ac = new ArrayContainer(newCardinality);
Util.fillArrayAND(ac.content, this.bitmap, value2.bitmap);
ac.cardinality = newCardinality;
return ac;
}