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import org.apache.commons.collections.Bag;
import org.apache.commons.collections.bag.HashBag;
import org.apache.commons.collections.bag.TreeBag;
import org.apache.commons.collections.TransformerUtils;
import org.apache.commons.collections.bag.TransformedBag;
import java.util.Arrays;
public class CookieBagV2 {
private Bag cookieBag;
private Bag sortedCookieBag;
public static void main(String args[]) {
CookieBagV2 app = new CookieBagV2();
app.prepareBags();
app.printBagContents();
app.addRandomCookies();
app.printBagContents();
}
private void printBagContents() {
System.err.println("Cookie Bag Contents: " + cookieBag);
System.err.println("Sorted Cookie Bag Contents: " + sortedCookieBag);
}
private void addRandomCookies() {
int count = (int)(Math.random() * 10);
int pick = (int)(Math.random() * 10);
pick = pick > 6 ? 6 : pick;
if (count > 5) cookieBag.add(cookieJar[pick], count);
else sortedCookieBag.add(cookieJar[pick], count);
}
private void prepareBags() {
prepareCookieBag();
prepareSortedCookieBag();
}
private void prepareCookieBag() {
cookieBag =
TransformedBag.decorate(
new HashBag(Arrays.asList(cookieJar)),
TransformerUtils.constantTransformer(cookieJar[2]));
// cookieBag.addAll(Arrays.asList(cookieJar));
}
private void prepareSortedCookieBag() {
sortedCookieBag = new TreeBag(Arrays.asList(cookieJar));
}
private String[] cookieJar =
{"Bar", "Drop", "Brownies", "Cut Out", "Molded", "Sliced", "No Bake"};
}
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ApacheCollectionCookieBagV2.zip( 514 k)