package frame.variant.translator;
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import java.math.BigDecimal;
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import java.util.Date;
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import frame.util.Util;
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import frame.variant.ValueType;
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import frame.variant.Value;
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public class ObjectTranslator extends ITranslator {
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private static IntegerTranslator integerTranslator;
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private static LongTranslator longTranslator;
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private static DoubleTranslator doubleTranslator;
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private static BigDecimalTranslator bigDecimalTranslator;
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private static StringTranslator stringTranslator;
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static {
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integerTranslator = new IntegerTranslator();
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longTranslator = new LongTranslator();
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doubleTranslator = new DoubleTranslator();
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bigDecimalTranslator = new BigDecimalTranslator();
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stringTranslator = new StringTranslator();
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}
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@Override
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public String toString(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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if (value instanceof String) {
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return (String)value;
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}
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return value.toString();
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}
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@Override
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public String toSqlString(Object value) throws Exception {
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if (value == null) {
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return "null";
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}
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if (value instanceof String) {
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return "'" + value + "'";
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}
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if (value instanceof Date) {
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return "'" + value + "'";
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}
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return value.toString();
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}
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@Override
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public String toJSONString(Object value) throws Exception {
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if (value == null) {
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return "null";
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}
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return "\"" + value.toString() + "\"";
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}
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@Override
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public String toSchemaString(Object value) throws Exception {
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if (value == null) {
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return "";
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}
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return "\"" + value.toString() + "\"";
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}
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@Override
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public Integer toInteger(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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if (value instanceof Integer) {
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return (Integer)value;
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}
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if (value instanceof Double) {
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return ((Double)value).intValue();
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}
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if (value instanceof Float) {
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return ((Float)value).intValue();
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}
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if (value instanceof Long) {
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return ((Long)value).intValue();
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}
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if (value instanceof BigDecimal) {
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return ((BigDecimal)value).intValue();
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}
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if (value instanceof String) {
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return Integer.valueOf((String)value);
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}
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return Integer.valueOf(String.valueOf(value));
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}
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@Override
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public Double toDouble(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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if (value instanceof Integer) {
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return (Double)value;
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}
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if (value instanceof Double) {
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return (Double)value;
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}
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if (value instanceof Float) {
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return (Double)value;
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}
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if (value instanceof Long) {
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return (Double)value;
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}
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if (value instanceof BigDecimal) {
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return ((BigDecimal)value).doubleValue();
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}
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if (value instanceof String) {
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return Double.valueOf((String)value);
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}
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return Double.valueOf(String.valueOf(value));
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}
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@Override
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public BigDecimal toBigDecimal(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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if (value instanceof Integer) {
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return BigDecimal.valueOf((Double)value);
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}
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if (value instanceof Double) {
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return BigDecimal.valueOf((Double)value);
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}
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if (value instanceof Float) {
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return BigDecimal.valueOf((Double)value);
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}
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if (value instanceof Long) {
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return BigDecimal.valueOf((Double)value);
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}
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if (value instanceof BigDecimal) {
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return (BigDecimal)value;
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}
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if (value instanceof String) {
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return BigDecimal.valueOf(Double.valueOf((String)value));
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}
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return BigDecimal.valueOf(Double.valueOf(String.valueOf(value)));
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}
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@Override
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public Boolean toBoolean(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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if (value instanceof Integer) {
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return integerTranslator.toBoolean((Integer)value);
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}
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if (value instanceof Double) {
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return doubleTranslator.toBoolean((Double)value);
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}
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if (value instanceof Float) {
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return doubleTranslator.toBoolean((Float)value);
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}
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if (value instanceof Long) {
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return longTranslator.toBoolean((Long)value);
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}
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if (value instanceof BigDecimal) {
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return bigDecimalTranslator.toBoolean((BigDecimal)value);
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}
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if (value instanceof String) {
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return stringTranslator.toBoolean((String)value);
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}
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return stringTranslator.toBoolean(String.valueOf(value));
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}
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@Override
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public Date toDate(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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if (value instanceof Integer) {
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return integerTranslator.toDate((Integer)value);
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}
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if (value instanceof Double) {
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return doubleTranslator.toDate((Double)value);
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}
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if (value instanceof Float) {
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return doubleTranslator.toDate((Double)value);
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}
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if (value instanceof Long) {
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return longTranslator.toDate((Long)value);
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}
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if (value instanceof BigDecimal) {
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return bigDecimalTranslator.toDate((BigDecimal)value);
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}
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if (value instanceof String) {
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return stringTranslator.toDate((String)value);
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}
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return stringTranslator.toDate(String.valueOf(value));
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}
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@Override
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public Object toTranslatorTypeValue(Object value) throws Exception {
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return value;
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}
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@Override
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public Object loadObjectFrom(String value) throws Exception {
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if (Util.isEmptyStr(value)) {
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return null;
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}
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return value;
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}
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@Override
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public Value loadVariantFrom(String value) throws Exception {
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Object object = loadObjectFrom(value);
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Value variant = new Value();
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variant.setData(object, ValueType.Void);
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return variant;
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}
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@Override
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public Value loadVariantFrom(String value, Object defaultValue) {
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try {
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return loadVariantFrom(value);
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}
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catch (Exception e) {
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Value variant = new Value();
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variant.setData(defaultValue, ValueType.Void);
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return variant;
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}
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}
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@Override
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public Class<?> getDataClass() {
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return Object.class;
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}
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}
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