/
ToShort.java
327 lines (274 loc) · 8.28 KB
/
ToShort.java
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/**
*
* Copyright (c) 2006-2018, Speedment, Inc. All Rights Reserved.
*
* 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.speedment.runtime.compute;
import com.speedment.common.function.ShortToDoubleFunction;
import com.speedment.common.function.ShortUnaryOperator;
import com.speedment.common.function.ToShortFunction;
import com.speedment.runtime.compute.expression.Expression;
import com.speedment.runtime.compute.expression.ExpressionType;
import com.speedment.runtime.compute.expression.Expressions;
import com.speedment.runtime.compute.internal.expression.CastUtil;
import com.speedment.runtime.compute.internal.expression.ComposedUtil;
import com.speedment.runtime.compute.internal.expression.MapperUtil;
import com.speedment.runtime.compute.trait.*;
import java.util.function.Function;
/**
* Expression that given an entity returns a {@code short} value. This
* expression can be implemented using a lambda, or it can be a result of
* another operation. It has additional methods for operating on it.
*
* @param <T> type to extract from
*
* @see ToShortFunction
*
* @author Emil Forslund
* @since 3.1.0
*/
@FunctionalInterface
public interface ToShort<T>
extends Expression<T>,
ToShortFunction<T>,
HasAsDouble<T>,
HasAsInt<T>,
HasAsLong<T>,
HasAbs<ToShort<T>>,
HasSign<ToByte<T>>,
HasSqrt<ToDouble<T>>,
HasNegate<ToShort<T>>,
HasPow<T>,
HasPlus<T>,
HasMinus<T>,
HasMultiply<T>,
HasDivide<T>,
HasMap<T, ShortUnaryOperator, ToShort<T>>,
HasMapToDouble<T, ShortToDoubleFunction>,
HasHash<T>,
HasCompare<T>,
HasCompose<T> {
/**
* Returns a typed {@code ToShort<T>} using the provided {@code lambda}.
*
* @param <T> type to extract from
* @param lambda to convert
* @return a typed {@code ToShort<T>} using the provided {@code lambda}
*
* @throws NullPointerException if the provided {@code lambda} is
* {@code null}
*/
static <T> ToShort<T> of(ToShortFunction<T> lambda) {
if (lambda instanceof ToShort) {
return (ToShort<T>) lambda;
} else {
return lambda::applyAsShort;
}
}
@Override
short applyAsShort(T object);
@Override
default ExpressionType expressionType() {
return ExpressionType.SHORT;
}
@Override
default ToDouble<T> asDouble() {
return CastUtil.castShortToDouble(this);
}
@Override
default ToInt<T> asInt() {
return CastUtil.castShortToInt(this);
}
@Override
default ToLong<T> asLong() {
return CastUtil.castShortToLong(this);
}
@Override
default ToDouble<T> mapToDouble(ShortToDoubleFunction operator) {
return MapperUtil.mapShortToDouble(this, operator);
}
@Override
default ToShort<T> map(ShortUnaryOperator operator) {
return MapperUtil.mapShort(this, operator);
}
@Override
default ToShort<T> abs() {
return Expressions.abs(this);
}
@Override
default ToByte<T> sign() {
return Expressions.sign(this);
}
@Override
default ToDouble<T> sqrt() {
return Expressions.sqrt(this);
}
@Override
default ToDouble<T> pow(int power) {
return Expressions.pow(this, power);
}
@Override
default ToDouble<T> pow(double power) {
return Expressions.pow(this, power);
}
@Override
default ToDouble<T> pow(ToInt<T> power) {
return Expressions.pow(this, power);
}
@Override
default ToDouble<T> pow(ToDouble<T> power) {
return Expressions.pow(this, power);
}
@Override
default ToInt<T> plus(byte other) {
return Expressions.plus(this, other);
}
@Override
default ToInt<T> plus(ToByte<T> other) {
return Expressions.plus(this.asInt(), other);
}
@Override
default ToInt<T> plus(int other) {
return Expressions.plus(this.asInt(), other);
}
@Override
default ToInt<T> plus(ToInt<T> other) {
return Expressions.plus(this.asInt(), other);
}
@Override
default ToLong<T> plus(long other) {
return Expressions.plus(this, other);
}
@Override
default ToLong<T> plus(ToLong<T> other) {
return Expressions.plus(this.asLong(), other);
}
@Override
default ToDouble<T> plus(double other) {
return Expressions.plus(this.asDouble(), other);
}
@Override
default ToDouble<T> plus(ToDouble<T> other) {
return Expressions.plus(this.asDouble(), other);
}
@Override
default ToInt<T> minus(byte other) {
return Expressions.minus(this, other);
}
@Override
default ToInt<T> minus(ToByte<T> other) {
return Expressions.minus(this.asInt(), other);
}
@Override
default ToInt<T> minus(int other) {
return Expressions.minus(this.asInt(), other);
}
@Override
default ToInt<T> minus(ToInt<T> other) {
return Expressions.minus(this.asInt(), other);
}
@Override
default ToLong<T> minus(long other) {
return Expressions.minus(this, other);
}
@Override
default ToLong<T> minus(ToLong<T> other) {
return Expressions.minus(this.asLong(), other);
}
@Override
default ToDouble<T> minus(double other) {
return Expressions.minus(this.asDouble(), other);
}
@Override
default ToDouble<T> minus(ToDouble<T> other) {
return Expressions.minus(this.asDouble(), other);
}
@Override
default ToInt<T> multiply(byte other) {
return Expressions.multiply(this, other);
}
@Override
default ToInt<T> multiply(ToByte<T> other) {
return Expressions.multiply(this.asInt(), other);
}
@Override
default ToInt<T> multiply(int other) {
return Expressions.multiply(this.asInt(), other);
}
@Override
default ToInt<T> multiply(ToInt<T> other) {
return Expressions.multiply(this.asInt(), other);
}
@Override
default ToLong<T> multiply(long other) {
return Expressions.multiply(this, other);
}
@Override
default ToLong<T> multiply(ToLong<T> other) {
return Expressions.multiply(this.asLong(), other);
}
@Override
default ToDouble<T> multiply(double other) {
return Expressions.multiply(this.asDouble(), other);
}
@Override
default ToDouble<T> multiply(ToDouble<T> other) {
return Expressions.multiply(this.asDouble(), other);
}
@Override
default ToDouble<T> divide(int divisor) {
return Expressions.divide(this, divisor);
}
@Override
default ToDouble<T> divide(ToInt<T> divisor) {
return Expressions.divide(this, divisor);
}
@Override
default ToDouble<T> divide(long divisor) {
return Expressions.divide(this, divisor);
}
@Override
default ToDouble<T> divide(ToLong<T> divisor) {
return Expressions.divide(this, divisor);
}
@Override
default ToDouble<T> divide(double divisor) {
return Expressions.divide(this, divisor);
}
@Override
default ToDouble<T> divide(ToDouble<T> divisor) {
return Expressions.divide(this, divisor);
}
@Override
default ToShort<T> negate() {
return Expressions.negate(this);
}
@Override
default long hash(T object) {
return applyAsShort(object);
}
@Override
default int compare(T first, T second) {
return Short.compare(
applyAsShort(first),
applyAsShort(second)
);
}
@Override
default <V> ToShort<V> compose(Function<? super V, ? extends T> before) {
@SuppressWarnings("unchecked")
final Function<V, T> casted = (Function<V, T>) before;
return ComposedUtil.composeToShort(casted, this);
}
}