com.speedment.runtime.field.method.DoubleGetter Maven / Gradle / Ivy
Show all versions of runtime-deploy Show documentation
/**
*
* Copyright (c) 2006-2019, 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.field.method;
import com.speedment.common.annotation.GeneratedCode;
import java.util.function.Function;
import java.util.function.ToDoubleFunction;
/**
* A short-cut functional reference to the {@code getXXX(value)} method for a
* particular field in an entity.
*
* A {@code DoubleGetter} has the following signature:
* {@code
* interface ENTITY {
* double getXXX();
* }
* }
*
* @param the entity
*
* @author Emil Forslund
* @since 3.0.0
*/
@GeneratedCode(value = "Speedment")
@FunctionalInterface
public interface DoubleGetter extends Getter, ToDoubleFunction {
/**
* Returns the member represented by this getter in the specified instance.
*
* @param instance the instance to get from
* @return the value
*/
@Override
double applyAsDouble(ENTITY instance);
@Override
default Double apply(ENTITY instance) {
return applyAsDouble(instance);
}
@Override
default Function asFunction() {
return this::apply;
}
}