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author | Martin Robertz <dream-master@gmx.net> | 2021-12-15 16:11:54 +0100 |
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committer | GitHub <noreply@github.com> | 2021-12-15 16:11:54 +0100 |
commit | 128c74faa99dfef8d056c1d82c6e4388b9d470e8 (patch) | |
tree | 2c84162154ba681232f86dffd4106db530236814 /src/Java/gtPlusPlus/api/objects/data/WeightedCollection.java | |
parent | 47ce336f288a45aa3244c8ae1177499fa5080942 (diff) | |
parent | ff4b8c7068c2ea7d654e9beda00646d23e62b314 (diff) | |
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Merge pull request #65 from GTNewHorizons/unified-build-script2
Move sources and resources
Diffstat (limited to 'src/Java/gtPlusPlus/api/objects/data/WeightedCollection.java')
-rw-r--r-- | src/Java/gtPlusPlus/api/objects/data/WeightedCollection.java | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/Java/gtPlusPlus/api/objects/data/WeightedCollection.java b/src/Java/gtPlusPlus/api/objects/data/WeightedCollection.java deleted file mode 100644 index f9966474b0..0000000000 --- a/src/Java/gtPlusPlus/api/objects/data/WeightedCollection.java +++ /dev/null @@ -1,102 +0,0 @@ -package gtPlusPlus.api.objects.data; - -import java.util.Collection; -import java.util.Map; -import java.util.NavigableMap; -import java.util.Random; -import java.util.Set; -import java.util.TreeMap; - -import gtPlusPlus.api.objects.random.XSTR; - -public class WeightedCollection<E> implements Map<Integer, E> { - - private NavigableMap<Integer, E> map = new TreeMap<Integer, E>(); - private Random random; - private int total = 0; - - public WeightedCollection() { - this(new XSTR()); - } - - public WeightedCollection(Random random) { - this.random = random; - } - - public E add(int weight, E object) { - if (weight <= 0) return null; - total += weight; - return map.put(total, object); - } - - private E next() { - int value = random.nextInt(total) + 1; // Can also use floating-point weights - return map.ceilingEntry(value).getValue(); - } - - @Override - public int size() { - return map.size(); - } - - @Override - public boolean isEmpty() { - return map.isEmpty(); - } - - @Override - public boolean containsKey(Object key) { - return map.containsKey(key); - } - - @Override - public boolean containsValue(Object value) { - return map.containsValue(value); - } - - public E get() { - return next(); - } - - @Override - public E get(Object key) { - return next(); - } - - @Override - public void putAll(Map m) { - map.putAll(m); - } - - @Override - public void clear() { - map.clear(); - this.total = 0; - } - - @Override - public Set keySet() { - return map.keySet(); - } - - @Override - public Collection values() { - return map.values(); - } - - @Override - public Set entrySet() { - return map.entrySet(); - } - - @Override - public E put(Integer key, E value) { - return add(key, value); - } - - @Override - public E remove(Object key) { - return map.remove(key); - } - -}
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