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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
The newest version!
/*
*
* 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.internal.expression;
import com.speedment.runtime.compute.ToEnum;
import com.speedment.runtime.field.ReferenceField;
import com.speedment.runtime.field.expression.FieldToEnum;
import java.util.function.Function;
import static java.util.Objects.requireNonNull;
/**
* Default implementation of {@link FieldToEnum}.
*
* @author Emil Forslund
* @since 3.1.0
*/
public final class FieldToEnumImpl>
extends AbstractFieldMapper, Function>
implements FieldToEnum {
private final Class enumClass;
public FieldToEnumImpl(ReferenceField field,
Function mapper,
Class enumClass) {
super(field, mapper);
this.enumClass = requireNonNull(enumClass);
}
@Override
public Class enumClass() {
return enumClass;
}
@Override
public E apply(ENTITY entity) {
final V value = field.get(entity);
if (value == null) return null;
else return mapper.apply(value);
}
}