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package com.google.refine.preference;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.databind.annotation.JsonTypeIdResolver;

import com.google.refine.ClassResolver;

/**
 * Interface to be extended by all objects stored in the preferences. This ensures that their full class name is
 * serialized with them. They should implement Jackson deserialization as usual.
 * 
 * @author Antonin Delpeuch
 */

@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.EXISTING_PROPERTY, property = "class")
@JsonTypeIdResolver(ClassResolver.class)
public interface PreferenceValue {

    @JsonProperty("class")
    public default String getClassName() {
        return this.getClass().getName();
    }
}
