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[Java] implement java.util.PriorityQueue serialization #165

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Merged
chaokunyang merged 1 commit into from
May 9, 2023
Merged

[Java] implement java.util.PriorityQueue serialization #165

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21 changes: 21 additions & 0 deletions java/fury-core/src/main/java/io/fury/serializer/CollectionSerializers.java
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.PriorityQueue;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
Expand Down Expand Up @@ -803,6 +804,24 @@ public BitSet read(MemoryBuffer buffer) {
}
}

public static class PriorityQueueSerializer extends CollectionSerializer<PriorityQueue> {
public PriorityQueueSerializer(Fury fury, Class<PriorityQueue> cls) {
super(fury, cls, true, false);
}

public void writeHeader(MemoryBuffer buffer, PriorityQueue value) {
fury.writeReferencableToJava(buffer, value.comparator());
}

@Override
public PriorityQueue newCollection(MemoryBuffer buffer, int numElements) {
Comparator comparator = (Comparator) fury.readReferencableFromJava(buffer);
PriorityQueue queue = new PriorityQueue(comparator);
fury.getReferenceResolver().reference(queue);
return queue;
}
}

public static void registerDefaultSerializers(Fury fury) {
fury.registerSerializer(ArrayList.class, new ArrayListSerializer(fury));
Class arrayAsListClass = Arrays.asList(1, 2).getClass();
Expand Down Expand Up @@ -836,5 +855,7 @@ public static void registerDefaultSerializers(Fury fury) {
fury.registerSerializer(Vector.class, new VectorSerializer(fury, Vector.class));
fury.registerSerializer(ArrayDeque.class, new ArrayDequeSerializer(fury, ArrayDeque.class));
fury.registerSerializer(BitSet.class, new BitSetSerializer(fury, BitSet.class));
fury.registerSerializer(
PriorityQueue.class, new PriorityQueueSerializer(fury, PriorityQueue.class));
}
}
9 changes: 9 additions & 0 deletions java/fury-core/src/test/java/io/fury/serializer/CollectionSerializersTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.PriorityQueue;
import java.util.TreeSet;
import java.util.Vector;
import java.util.concurrent.ConcurrentSkipListSet;
Expand Down Expand Up @@ -166,4 +167,12 @@ public void tesBitSetSerializer() {
.getSerializerClass(BitSet.valueOf(LongStream.range(0, 128).toArray()).getClass()),
CollectionSerializers.BitSetSerializer.class);
}

@Test
public void tesPriorityQueueSerializer() {
serDe(javaFury, new PriorityQueue<>(Arrays.asList("a", "b", "c")));
Assert.assertEquals(
javaFury.getClassResolver().getSerializerClass(PriorityQueue.class),
CollectionSerializers.PriorityQueueSerializer.class);
}
}