[LIB-2] Add snooker-score-api source files
[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
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+/*
+ * Copyright (c) 2017. Developed by Hedgecode.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.hedgecode.snooker.json;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.hedgecode.snooker.api.Ranking;
+import org.hedgecode.snooker.api.Rankings;
+import org.hedgecode.snooker.compare.RankingComparators;
+
+/**
+ * Rankings Entity (set of {@link Ranking}) to JSON deserialize.
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class JsonRankings extends JsonCollectionEntity<Ranking> implements Rankings {
+
+    protected JsonRankings(Ranking[] entities) {
+        super(entities);
+    }
+
+    protected JsonRankings(List<Ranking> entities) {
+        super(entities);
+    }
+
+    @Override
+    public Ranking byPlayer(int playerId) {
+        for (Ranking ranking : this)
+            if (ranking.playerId() == playerId)
+                return ranking;
+        return null;
+    }
+
+    @Override
+    public Rankings bySum(long minSum, long maxSum) {
+        List<Ranking> rankings = new ArrayList<>();
+        for (Ranking ranking : this)
+            if (ranking.sum() >= minSum && ranking.sum() <= maxSum)
+                rankings.add(ranking);
+        return rankings.isEmpty() ? null : new JsonRankings(rankings);
+    }
+
+    @Override
+    public void sortByPosition() {
+        sort(
+                RankingComparators.POSITION.comparator()
+        );
+    }
+
+    @Override
+    public void sortBySum() {
+        sort(
+                RankingComparators.SUM.comparator()
+        );
+    }
+}