com.blazebit.persistence.criteria.impl.expression.MemberOfPredicate Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* 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.blazebit.persistence.criteria.impl.expression;
import com.blazebit.persistence.criteria.impl.BlazeCriteriaBuilderImpl;
import com.blazebit.persistence.criteria.impl.ParameterVisitor;
import com.blazebit.persistence.criteria.impl.RenderContext;
import com.blazebit.persistence.criteria.impl.path.PluralAttributePath;
import javax.persistence.criteria.Expression;
import java.util.Collection;
/**
* @author Christian Beikov
* @since 1.2.0
*/
public class MemberOfPredicate> extends AbstractSimplePredicate {
private static final long serialVersionUID = 1L;
private final Expression elementExpression;
private final PluralAttributePath collectionPath;
public MemberOfPredicate(BlazeCriteriaBuilderImpl criteriaBuilder, boolean negated, Expression elementExpression, PluralAttributePath collectionPath) {
super(criteriaBuilder, negated);
this.elementExpression = elementExpression;
this.collectionPath = collectionPath;
}
public MemberOfPredicate(BlazeCriteriaBuilderImpl criteriaBuilder, boolean negated, E element, PluralAttributePath collectionPath) {
this(criteriaBuilder, negated, new LiteralExpression(criteriaBuilder, element), collectionPath);
}
@Override
public AbstractPredicate copyNegated() {
return new MemberOfPredicate(criteriaBuilder, !isNegated(), elementExpression, collectionPath);
}
@Override
public void visitParameters(ParameterVisitor visitor) {
visitor.visit(elementExpression);
visitor.visit(collectionPath);
}
@Override
public void render(RenderContext context) {
context.apply(elementExpression);
if (isNegated()) {
context.getBuffer().append(" NOT");
}
context.getBuffer().append(" MEMBER OF ");
context.apply(collectionPath);
}
}