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The official Couchbase Java SDK
/*
* Copyright (c) 2016 Couchbase, Inc.
*
* Licensed 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 com.couchbase.client.java.query.dsl.functions;
import static com.couchbase.client.java.query.dsl.Expression.x;
import com.couchbase.client.core.annotations.InterfaceAudience;
import com.couchbase.client.core.annotations.InterfaceStability;
import com.couchbase.client.java.query.dsl.Expression;
/**
* DSL for N1QL functions in the Numbers category.
*
* Number functions are functions that are performed on a numeric field.
*
* @author Simon Baslé
* @since 2.2
*/
@InterfaceStability.Experimental
@InterfaceAudience.Public
public class NumberFunctions {
/**
* Returned expression results in the absolute value of the number.
*/
public static Expression abs(Expression expression) {
return x("ABS(" + expression.toString() + ")");
}
/**
* Returned expression results in the absolute value of the number.
*/
public static Expression abs(Number value) {
return abs(x(value));
}
/**
* Returned expression results in the arccosine in radians.
*/
public static Expression acos(Expression expression) {
return x("ACOS(" + expression.toString() + ")");
}
/**
* Returned expression results in the arccosine in radians.
*/
public static Expression acos(Number value) {
return acos(x(value));
}
/**
* Returned expression results in the arcsine in radians.
*/
public static Expression asin(Expression expression) {
return x("ASIN(" + expression.toString() + ")");
}
/**
* Returned expression results in the arcsine in radians.
*/
public static Expression asin(Number value) {
return asin(x(value));
}
/**
* Returned expression results in the arctangent in radians.
*/
public static Expression atan(Expression expression) {
return x("ATAN(" + expression.toString() + ")");
}
/**
* Returned expression results in the arctangent in radians.
*/
public static Expression atan(Number value) {
return atan(x(value));
}
/**
* Returned expression results in the arctangent of expression2/expression1.
*/
public static Expression atan(Expression expression1, Expression expression2) {
return x("ATAN(" + expression1.toString() + ", " + expression2.toString() + ")");
}
/**
* Returned expression results in the arctangent of expression2/expression1.
*/
public static Expression atan(String expression1, String expression2) {
return atan(x(expression1), x(expression2));
}
/**
* Returned expression results in the smallest integer not less than the number.
*/
public static Expression ceil(Expression expression) {
return x("CEIL(" + expression.toString() + ")");
}
/**
* Returned expression results in the smallest integer not less than the number.
*/
public static Expression ceil(Number value) {
return ceil(x(value));
}
/**
* Returned expression results in the cosine.
*/
public static Expression cos(Expression expression) {
return x("COS(" + expression.toString() + ")");
}
/**
* Returned expression results in the cosine.
*/
public static Expression cos(Number value) {
return cos(x(value));
}
/**
* Returned expression results in the conversion of radians to degrees.
*/
public static Expression degrees(Expression expression) {
return x("DEGREES(" + expression.toString() + ")");
}
/**
* Returned expression results in the conversion of radians to degrees.
*/
public static Expression degrees(Number value) {
return degrees(x(value));
}
/**
* Returned expression results in the base of natural logarithms.
*/
public static Expression e() {
return x("E()");
}
/**
* Returned expression results in the exponential of expression.
*/
public static Expression exp(Expression expression) {
return x("EXP(" + expression.toString() + ")");
}
/**
* Returned expression results in the exponential of expression.
*/
public static Expression exp(Number value) {
return exp(x(value));
}
/**
* Returned expression results in the log base e.
*/
public static Expression ln(Expression expression) {
return x("LN(" + expression.toString() + ")");
}
/**
* Returned expression results in the log base e.
*/
public static Expression ln(Number value) {
return ln(x(value));
}
/**
* Returned expression results in the log base 10.
*/
public static Expression log(Expression expression) {
return x("LOG(" + expression.toString() + ")");
}
/**
* Returned expression results in the log base 10.
*/
public static Expression log(Number value) {
return log(x(value));
}
/**
* Returned expression results in the largest integer not greater than the number.
*/
public static Expression floor(Expression expression) {
return x("FLOOR(" + expression.toString() + ")");
}
/**
* Returned expression results in the largest integer not greater than the number.
*/
public static Expression floor(Number value) {
return floor(x(value));
}
/**
* Returned expression results in Pi.
*/
public static Expression pi() {
return x("PI()");
}
/**
* Returned expression results in expression1 to the power of expression2.
*/
public static Expression power(Expression expression1, Expression expression2) {
return x("POWER(" + expression1.toString() + ", " + expression2.toString() + ")");
}
/**
* Returned expression results in value1 to the power of value2.
*/
public static Expression power(Number value1, Number value2) {
return power(x(value1), x(value2));
}
/**
* Returned expression results in the conversion of degrees to radians.
*/
public static Expression radians(Expression expression) {
return x("RADIANS(" + expression.toString() + ")");
}
/**
* Returned expression results in the conversion of degrees to radians.
*/
public static Expression radians(Number value) {
return radians(x(value));
}
/**
* Returned expression results in a pseudo-random number with optional seed.
*/
public static Expression random(Expression seed) {
return x("RANDOM(" + seed.toString() + ")");
}
/**
* Returned expression results in a pseudo-random number with optional seed.
*/
public static Expression random(Number seed) {
return random(x(seed));
}
/**
* Returned expression results in a pseudo-random number with default seed.
*/
public static Expression random() {
return x("RANDOM()");
}
/**
* Returned expression results in the value rounded to 0 digits to the right of the decimal point.
*/
public static Expression round(Expression expression) {
return x("ROUND(" + expression.toString() + ")");
}
/**
* Returned expression results in the value rounded to the given number of integer digits to the right
* of the decimal point (left if digits is negative).
*/
public static Expression round(Expression expression, int digits) {
return x("ROUND(" + expression.toString() + ", " + digits + ")");
}
/**
* Returned expression results in the value rounded to 0 digits to the right of the decimal point.
*/
public static Expression round(Number expression) {
return round(x(expression));
}
/**
* Returned expression results in the value rounded to the given number of integer digits to the right
* of the decimal point (left if digits is negative).
*/
public static Expression round(Number expression, int digits) {
return round(x(expression), digits);
}
/**
* Returned expression results in the sign of the numerical expression,
* represented as -1, 0, or 1 for negative, zero, or positive numbers respectively.
*/
public static Expression sign(Expression expression) {
return x("SIGN(" + expression.toString() + ")");
}
/**
* Returned expression results in the sign of the numerical expression,
* represented as -1, 0, or 1 for negative, zero, or positive numbers respectively.
*/
public static Expression sign(Number value) {
return sign(x(value));
}
/**
* Returned expression results in the sine.
*/
public static Expression sin(Expression expression) {
return x("SIN(" + expression.toString() + ")");
}
/**
* Returned expression results in the sine.
*/
public static Expression sin(Number value) {
return sin(x(value));
}
/**
* Returned expression results in the square root.
*/
public static Expression squareRoot(Expression expression) {
return x("SQRT(" + expression.toString() + ")");
}
/**
* Returned expression results in the square root.
*/
public static Expression squareRoot(Number value) {
return squareRoot(x(value));
}
/**
* Returned expression results in the tangent.
*/
public static Expression tan(Expression expression) {
return x("TAN(" + expression.toString() + ")");
}
/**
* Returned expression results in the tangent.
*/
public static Expression tan(Number value) {
return tan(x(value));
}
/**
* Returned expression results in a truncation of the number to the given number of integer digits
* to the right of the decimal point (left if digits is negative).
*/
public static Expression trunc(Expression expression, int digits) {
return x("TRUNC(" + expression.toString() + ", " + digits + ")");
}
/**
* Returned expression results in a truncation of the number to the given number of integer digits
* to the right of the decimal point (left if digits is negative).
*/
public static Expression trunc(Number value, int digits) {
return trunc(x(value), digits);
}
/**
* Returned expression results in a truncation of the number to 0 digits to the right of the decimal point.
*/
public static Expression trunc(Expression expression) {
return x("TRUNC(" + expression.toString() + ")");
}
/**
* Returned expression results in a truncation of the number to 0 digits to the right of the decimal point.
*/
public static Expression trunc(Number value) {
return trunc(x(value));
}
}
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