package foundation.data.meta.field;
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import java.util.HashSet;
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import java.util.Set;
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import foundation.data.entity.Entity;
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import foundation.translator.ITranslator;
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import foundation.translator.ValueLength;
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import foundation.translator.ValueType;
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public class Field {
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private static Set<Integer> sizableType;
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private int indexNo;
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private String name;
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private String originalName;
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private int sqlType;
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private ValueType type;
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private ValueLength length;
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private boolean nullable;
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private String remark;
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private ITranslator valueTranslator;
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private FieldExtension extension;
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private FieldWriter writer;
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static {
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sizableType = new HashSet<Integer>();
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}
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public Field(String name) {
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this.name = name;
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this.originalName = name;
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this.nullable = true;
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}
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public void load(IFieldReader fieldReader) throws Exception {
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setType(fieldReader.getFieldType());
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setLength(fieldReader.getFieldLength());
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setNullable(fieldReader.getNullable());
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remark = fieldReader.getRemark();
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}
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public Entity toEntity(Entity entity) {
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entity.set("field", name);
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if (entity.isAbsentValue("label_chinese")) {
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entity.set("label_chinese", remark);
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}
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if (entity.isAbsentValue("label_english")) {
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entity.set("label_english", name);
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}
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return entity;
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}
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public FieldWriter getWriter() {
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if (writer != null) {
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return writer;
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}
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synchronized (this) {
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if (writer != null) {
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return writer;
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}
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writer = FieldWriter.newInstance(name, indexNo, valueTranslator, extension);
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}
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return writer;
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}
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public void initLengthByType() {
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this.length = type.getDefaultLength();
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}
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public void setType(ValueType value) {
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this.type = value;
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this.sqlType = value.toSQLType();
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}
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public void setType(int value) {
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this.sqlType = value;
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this.type = ValueType.parse(value);
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}
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public void setType(String value) {
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this.type = ValueType.parse(value);
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this.sqlType = type.toSQLType();
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}
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public void setIndexNo(int value) {
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this.indexNo = value;
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}
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public void setLength(int value) {
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this.length = new ValueLength(value);
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}
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public void setLength(ValueLength length) {
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this.length = length;
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}
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public void setLength(String value) {
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this.length = ValueLength.getInstance(value);
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}
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public void setNullable(boolean nullable) {
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this.nullable = nullable;
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}
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public void setTranslator(ITranslator translator) {
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this.valueTranslator = translator;
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}
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public String getName() {
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return this.name;
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}
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public String getOriginalName() {
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return originalName;
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}
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public void setOriginalName(String originalName) {
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this.originalName = originalName;
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}
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public ValueType getType() {
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return this.type;
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}
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public int getSQLType() {
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return this.sqlType;
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}
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public String getDBType() {
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return type.toDBType();
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}
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public String getTypeSQLSegment() {
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String result = getDBType();
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if (sizableType.contains(this.sqlType)) {
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result = result + length.toSQLSegment();
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}
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return result;
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}
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public boolean isNullable() {
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return this.nullable;
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}
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public String getNullableSQLSegment() {
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return !this.nullable ? "NOT NULL" : "NULL";
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}
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public int getIndexNo() {
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return this.indexNo;
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}
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public int getSqlType() {
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return sqlType;
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}
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public FieldExtension getExtention() {
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return extension;
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}
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public void setExtension(FieldExtension extension) {
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this.extension = extension;
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}
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public ITranslator getValueTranslator() {
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return valueTranslator;
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}
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public String getLabelChinese() {
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if (extension == null) {
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return name;
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}
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return extension.getLabelChinese();
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}
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public String getLabelEnglish() {
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if (extension == null) {
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return name;
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}
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return extension.getLabelEnglish();
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}
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public boolean hasDefaultValue() {
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if (extension == null) {
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return false;
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}
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return extension.hasDefaultValue();
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}
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public String getDefaultValue() {
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if (extension == null) {
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return null;
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}
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return extension.getDefaultValue();
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}
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public boolean hasTranslator() {
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if (extension == null) {
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return false;
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}
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return extension.hasTranslator();
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}
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public boolean hasValidateRegex() {
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if (extension == null) {
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return false;
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}
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return extension.hasValidateRegex();
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}
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public String getValidateRegex() {
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if (extension == null) {
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return null;
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}
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return extension.getValidateRegex();
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}
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public boolean isExportable() {
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if (extension == null) {
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return true;
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}
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return extension.isExportable();
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}
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public boolean isImportable() {
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if (extension == null) {
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return true;
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}
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return extension.isImportable();
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}
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public boolean isNumber() {
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return type.isNumber();
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}
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public boolean isDate() {
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return type.isDate();
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}
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public String getRemark() {
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return remark;
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}
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public String toString() {
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StringBuilder result = new StringBuilder();
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result.append("fieldName=").append(this.name).append(",");
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result.append("dataType=").append(this.type).append(",");
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result.append("length=").append(this.length);
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return result.toString();
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}
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public void toString(StringBuilder result) {
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result.append("fieldName=").append(this.name).append(",");
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result.append("dataType=").append(this.type).append(",");
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result.append("length=").append(this.length);
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}
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}
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