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[LIB-5] Collection empty objects,reporting and serializable
[snooker-score-api.git]
/
src
/
main
/
java
/
org
/
hedgecode
/
snooker
/
json
/
JsonRankings.java
diff --git
a/src/main/java/org/hedgecode/snooker/json/JsonRankings.java
b/src/main/java/org/hedgecode/snooker/json/JsonRankings.java
index
75a3358
..
ac0a1ae
100644
(file)
--- a/
src/main/java/org/hedgecode/snooker/json/JsonRankings.java
+++ b/
src/main/java/org/hedgecode/snooker/json/JsonRankings.java
@@
-30,6
+30,8
@@
import org.hedgecode.snooker.compare.RankingComparators;
*/
public class JsonRankings extends JsonCollectionEntity<Ranking> implements Rankings {
*/
public class JsonRankings extends JsonCollectionEntity<Ranking> implements Rankings {
+ private static final JsonRankings EMPTY = new JsonRankings(new Ranking[0]);
+
protected JsonRankings(Ranking[] entities) {
super(entities);
}
protected JsonRankings(Ranking[] entities) {
super(entities);
}
@@
-52,7
+54,7
@@
public class JsonRankings extends JsonCollectionEntity<Ranking> implements Ranki
for (Ranking ranking : this)
if (ranking.sum() >= minSum && ranking.sum() <= maxSum)
rankings.add(ranking);
for (Ranking ranking : this)
if (ranking.sum() >= minSum && ranking.sum() <= maxSum)
rankings.add(ranking);
- return rankings.isEmpty() ?
null
: new JsonRankings(rankings);
+ return rankings.isEmpty() ?
EMPTY
: new JsonRankings(rankings);
}
@Override
}
@Override
@@
-68,4
+70,5
@@
public class JsonRankings extends JsonCollectionEntity<Ranking> implements Ranki
RankingComparators.SUM.comparator()
);
}
RankingComparators.SUM.comparator()
);
}
+
}
}