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Lightweight Object Relational Model (ORM) for persisting objects to SQL databases.
package com.j256.ormlite.field.types;
import java.sql.SQLException;
import com.j256.ormlite.field.FieldType;
import com.j256.ormlite.field.SqlType;
import com.j256.ormlite.support.DatabaseResults;
/**
* Type that persists a Integer object.
*
* @author graywatson
*/
public class IntegerObjectType extends BaseDataType {
private static final IntegerObjectType singleTon = new IntegerObjectType();
public static IntegerObjectType getSingleton() {
return singleTon;
}
private IntegerObjectType() {
super(SqlType.INTEGER, new Class[] { Integer.class });
}
protected IntegerObjectType(SqlType sqlType, Class[] classes) {
super(sqlType, classes);
}
@Override
public Object parseDefaultString(FieldType fieldType, String defaultStr) {
return Integer.parseInt(defaultStr);
}
@Override
public Object resultToSqlArg(FieldType fieldType, DatabaseResults results, int columnPos) throws SQLException {
return (Integer) results.getInt(columnPos);
}
@Override
public Object convertIdNumber(Number number) {
return (Integer) number.intValue();
}
@Override
public boolean isEscapedValue() {
return false;
}
@Override
public boolean isValidGeneratedType() {
return true;
}
@Override
public boolean isValidForVersion() {
return true;
}
@Override
public Object moveToNextValue(Object currentValue) {
if (currentValue == null) {
return (Integer) 1;
} else {
return ((Integer) currentValue) + 1;
}
}
}