com.speedment.runtime.field.internal.predicate.reference.ReferenceIsNullPredicate Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
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/*
*
* 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.predicate.reference;
import com.speedment.runtime.field.internal.predicate.AbstractFieldPredicate;
import com.speedment.runtime.field.trait.HasReferenceValue;
import static com.speedment.runtime.field.predicate.PredicateType.IS_NULL;
/**
*
* @param the entity type
* @param the database type
* @param the value type
*
* @author Per Minborg
* @since 2.2.0
*/
public final class ReferenceIsNullPredicate
extends AbstractFieldPredicate> {
public ReferenceIsNullPredicate(HasReferenceValue field) {
super(IS_NULL, field, entity -> entity == null || field.get(entity) == null);
}
@Override
public ReferenceIsNotNullPredicate negate() {
return new ReferenceIsNotNullPredicate<>(getField());
}
}