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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.flags;
import com.fasterxml.jackson.databind.JsonNode;
import java.util.function.Function;
import java.util.function.Predicate;
/**
* @author hakonhall
*/
public class SimpleFlagSerializer<T> implements FlagSerializer<T> {
private final Function<T, JsonNode> serializer;
private final Predicate<JsonNode> isCorrectType;
private final Function<JsonNode, T> deserializer;
public SimpleFlagSerializer(Function<T, JsonNode> serializer,
Predicate<JsonNode> isCorrectType,
Function<JsonNode, T> deserializer) {
this.serializer = serializer;
this.isCorrectType = isCorrectType;
this.deserializer = deserializer;
}
@Override
public JsonNodeRawFlag serialize(T value) {
return JsonNodeRawFlag.fromJsonNode(serializer.apply(value));
}
@Override
public T deserialize(RawFlag rawFlag) {
JsonNode jsonNode = rawFlag.asJsonNode();
if (!isCorrectType.test(jsonNode)) {
throw new IllegalArgumentException("Wrong type of JsonNode: " + jsonNode.getNodeType());
}
return deserializer.apply(jsonNode);
}
}
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