filter.NumericMethods.scala Maven / Gradle / Ivy
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/*
* Copyright 2021 Kári Magnússon
*
* 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 kuzminki.filter
import kuzminki.column.TypeCol
import kuzminki.assign._
import kuzminki.fn.types._
import kuzminki.api.Arg
trait NumericMethods[T] extends ComparativeMethods[T] with InMethods[T] {
// fn
def round(size: Int) = RoundFn(col, size)
def roundStr(size: Int) = RoundStrFn(col, size)
def asShort = CastShort(col)
def asInt = CastInt(col)
def asLong = CastLong(col)
def asFloat = CastFloat(col)
def asDouble = CastDouble(col)
def asBigDecimal = CastBigDecimal(col)
// update
def +=(value: T) = Increment(col, value)
def -=(value: T) = Decrement(col, value)
// cache
def use = NumericCache(col)
}
case class NumericCache[T](col: TypeCol[T]) extends ComparativeCache[T] with InCache[T] {
def +=(arg: Arg) = CacheIncrement(col, col.conv)
def -=(arg: Arg) = CacheDecrement(col, col.conv)
}