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TagListのConverterを実装した
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package one.nem.lacerta.source.database.common;
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import androidx.room.TypeConverter;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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public class TagListConverter {
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@TypeConverter
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public static String fromList(List<String> list) {
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return list == null ? null : String.join(",", list);
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}
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@TypeConverter
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public static List<String> fromString(String value) {
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return value == null ? Collections.emptyList() : Arrays.asList(value.split(","));
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}
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}
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