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/*
 * Copyright (c) 2002, 2024, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by
 * the Free Software Foundation.
 *
 * This program is designed to work with certain software that is licensed under separate terms, as designated in a particular file or component or in
 * included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the
 * separately licensed software that they have either included with the program or referenced in the documentation.
 *
 * Without limiting anything contained in the foregoing, this file, which is part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
 * version 1.0, a copy of which can be found at http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

package com.mysql.cj;

import java.math.BigDecimal;
import java.math.BigInteger;

import com.mysql.cj.conf.PropertyDefinitions;

/**
 * Represents various constants used in the driver.
 */
public class Constants {

    /**
     * Avoids allocation of empty byte[] when representing 0-length strings.
     */
    public final static byte[] EMPTY_BYTE_ARRAY = new byte[0];

    /**
     * I18N'd representation of the abbreviation for "ms"
     */
    public final static String MILLIS_I18N = Messages.getString("Milliseconds");

    public final static byte[] SLASH_STAR_SPACE_AS_BYTES = new byte[] { (byte) '/', (byte) '*', (byte) ' ' };

    public final static byte[] SPACE_STAR_SLASH_SPACE_AS_BYTES = new byte[] { (byte) ' ', (byte) '*', (byte) '/', (byte) ' ' };

    public static final String JVM_VENDOR = System.getProperty(PropertyDefinitions.SYSP_java_vendor);
    public static final String JVM_VERSION = System.getProperty(PropertyDefinitions.SYSP_java_version);

    public static final String OS_NAME = System.getProperty(PropertyDefinitions.SYSP_os_name);
    public static final String OS_ARCH = System.getProperty(PropertyDefinitions.SYSP_os_arch);
    public static final String OS_VERSION = System.getProperty(PropertyDefinitions.SYSP_os_version);

    public static final String CJ_NAME = "MySQL Connector/J";
    public static final String CJ_FULL_NAME = "mysql-connector-j-9.1.0";
    public static final String CJ_REVISION = "cf2917ea44ae2e43a4514a33771035aa99de73bf";
    public static final String CJ_VERSION = "9.1.0";
    public static final String CJ_MAJOR_VERSION = "9";
    public static final String CJ_MINOR_VERSION = "1";
    public static final String CJ_LICENSE = "GPL";

    public static final BigInteger BIG_INTEGER_ZERO = BigInteger.valueOf(0);
    public static final BigInteger BIG_INTEGER_ONE = BigInteger.valueOf(1);
    public static final BigInteger BIG_INTEGER_NEGATIVE_ONE = BigInteger.valueOf(-1);
    public static final BigInteger BIG_INTEGER_MIN_BYTE_VALUE = BigInteger.valueOf(Byte.MIN_VALUE);
    public static final BigInteger BIG_INTEGER_MAX_BYTE_VALUE = BigInteger.valueOf(Byte.MAX_VALUE);
    public static final BigInteger BIG_INTEGER_MIN_SHORT_VALUE = BigInteger.valueOf(Short.MIN_VALUE);
    public static final BigInteger BIG_INTEGER_MAX_SHORT_VALUE = BigInteger.valueOf(Short.MAX_VALUE);
    public static final BigInteger BIG_INTEGER_MIN_INTEGER_VALUE = BigInteger.valueOf(Integer.MIN_VALUE);
    public static final BigInteger BIG_INTEGER_MAX_INTEGER_VALUE = BigInteger.valueOf(Integer.MAX_VALUE);
    public static final BigInteger BIG_INTEGER_MIN_LONG_VALUE = BigInteger.valueOf(Long.MIN_VALUE);
    public static final BigInteger BIG_INTEGER_MAX_LONG_VALUE = BigInteger.valueOf(Long.MAX_VALUE);

    public static final BigDecimal BIG_DECIMAL_ZERO = BigDecimal.valueOf(0);
    public static final BigDecimal BIG_DECIMAL_ONE = BigDecimal.valueOf(1);
    public static final BigDecimal BIG_DECIMAL_NEGATIVE_ONE = BigDecimal.valueOf(-1);
    public static final BigDecimal BIG_DECIMAL_MIN_BYTE_VALUE = BigDecimal.valueOf(Byte.MIN_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_BYTE_VALUE = BigDecimal.valueOf(Byte.MAX_VALUE);
    public static final BigDecimal BIG_DECIMAL_MIN_SHORT_VALUE = BigDecimal.valueOf(Short.MIN_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_SHORT_VALUE = BigDecimal.valueOf(Short.MAX_VALUE);
    public static final BigDecimal BIG_DECIMAL_MIN_INTEGER_VALUE = BigDecimal.valueOf(Integer.MIN_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_INTEGER_VALUE = BigDecimal.valueOf(Integer.MAX_VALUE);
    public static final BigDecimal BIG_DECIMAL_MIN_LONG_VALUE = BigDecimal.valueOf(Long.MIN_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_LONG_VALUE = BigDecimal.valueOf(Long.MAX_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_DOUBLE_VALUE = BigDecimal.valueOf(Double.MAX_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_NEGATIVE_DOUBLE_VALUE = BigDecimal.valueOf(-Double.MAX_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_FLOAT_VALUE = BigDecimal.valueOf(Float.MAX_VALUE);
    public static final BigDecimal BIG_DECIMAL_MAX_NEGATIVE_FLOAT_VALUE = BigDecimal.valueOf(-Float.MAX_VALUE);

    public static final int UNSIGNED_BYTE_MAX_VALUE = 255;

    /**
     * Prevents instantiation
     */
    private Constants() {
    }

}