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org.apache.kudu:kudu-client with netty package relocations reverted and netty classes stripped away
so that camel-quarkus-kudu can use quarkus-netty as a replacement
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package org.apache.kudu.util;
import static org.apache.kudu.Common.DataType;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
import com.google.common.base.Strings;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.kudu.ColumnTypeAttributes;
@InterfaceAudience.Private
public class DecimalUtil {
public static final int MAX_DECIMAL32_PRECISION = 9;
public static final int MAX_UNSCALED_DECIMAL32 = 999999999;
public static final int MIN_UNSCALED_DECIMAL32 = -MAX_UNSCALED_DECIMAL32;
public static final int DECIMAL32_SIZE = 32 / Byte.SIZE;
public static final int MAX_DECIMAL64_PRECISION = 18;
public static final long MAX_UNSCALED_DECIMAL64 = 999999999999999999L;
public static final long MIN_UNSCALED_DECIMAL64 = -MAX_UNSCALED_DECIMAL64;
public static final int DECIMAL64_SIZE = 64 / Byte.SIZE;
public static final int MAX_DECIMAL128_PRECISION = 38;
public static final BigInteger MAX_UNSCALED_DECIMAL128 =
new BigInteger(Strings.repeat("9", MAX_DECIMAL128_PRECISION));
public static final BigInteger MIN_UNSCALED_DECIMAL128 = MAX_UNSCALED_DECIMAL128.negate();
public static final int DECIMAL128_SIZE = 128 / Byte.SIZE;
public static final int MIN_DECIMAL_PRECISION = 1;
public static final int MAX_DECIMAL_PRECISION = MAX_DECIMAL128_PRECISION;
/** Non-constructable utility class. */
private DecimalUtil() {
}
/**
* Given a precision, returns the size of the Decimal in Bytes.
* @return the size in Bytes.
*/
public static int precisionToSize(int precision) {
if (precision <= MAX_DECIMAL32_PRECISION) {
return DECIMAL32_SIZE;
} else if (precision <= MAX_DECIMAL64_PRECISION) {
return DECIMAL64_SIZE;
} else if (precision <= MAX_DECIMAL128_PRECISION) {
return DECIMAL128_SIZE;
} else {
throw new IllegalArgumentException("Unsupported decimal type precision: " + precision);
}
}
/**
* Given a precision, returns the smallest unscaled data type.
* @return the smallest valid DataType.
*/
public static DataType precisionToDataType(int precision) {
if (precision <= MAX_DECIMAL32_PRECISION) {
return DataType.DECIMAL32;
} else if (precision <= MAX_DECIMAL64_PRECISION) {
return DataType.DECIMAL64;
} else if (precision <= MAX_DECIMAL128_PRECISION) {
return DataType.DECIMAL128;
} else {
throw new IllegalArgumentException("Unsupported decimal type precision: " + precision);
}
}
/**
* Returns the maximum value of a Decimal give a precision and scale.
* @param precision the precision of the decimal.
* @param scale the scale of the decimal.
* @return the maximum decimal value.
*/
public static BigDecimal maxValue(int precision, int scale) {
String maxPrecision = Strings.repeat("9", precision);
return new BigDecimal(new BigInteger(maxPrecision), scale);
}
/**
* Returns the minimum value of a Decimal give a precision and scale.
* @param precision the precision of the decimal.
* @param scale the scale of the decimal.
* @return the minimum decimal value.
*/
public static BigDecimal minValue(int precision, int scale) {
return maxValue(precision, scale).negate();
}
/**
* Returns the smallest value of a Decimal give a precision and scale.
* This value can be useful for incrementing a Decimal.
* @param scale the scale of the decimal.
* @return the smallest decimal value.
*/
public static BigDecimal smallestValue(int scale) {
return new BigDecimal(BigInteger.ONE, scale);
}
/**
* Attempts to coerce a big decimal to a target precision and scale and
* returns the result. Throws an {@link IllegalArgumentException} if the value
* can't be coerced without rounding or exceeding the targetPrecision.
*
* @param val the BigDecimal value to coerce.
* @param targetPrecision the target precision of the coerced value.
* @param targetScale the target scale of the coerced value.
* @return the coerced BigDecimal value.
*/
public static BigDecimal coerce(BigDecimal val, int targetPrecision, int targetScale) {
if (val.scale() != targetScale) {
try {
val = val.setScale(targetScale, RoundingMode.UNNECESSARY);
} catch (ArithmeticException ex) {
throw new IllegalArgumentException("Value scale " + val.scale() +
" can't be coerced to target scale " + targetScale + ". ");
}
}
if (val.precision() > targetPrecision) {
throw new IllegalArgumentException("Value precision " + val.precision() +
" (after scale coercion) can't be coerced to target precision " +
targetPrecision + ". ");
}
return val;
}
/**
* Convenience method to create column type attributes for decimal columns.
* @param precision the precision.
* @param scale the scale.
* @return the column type attributes.
*/
public static ColumnTypeAttributes typeAttributes(int precision, int scale) {
return new ColumnTypeAttributes.ColumnTypeAttributesBuilder()
.precision(precision)
.scale(scale)
.build();
}
}