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/*
* Copyright (c) 2006, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Oracle - initial API and implementation
//
package org.eclipse.persistence.jpa.jpql.parser;
/**
* The query BNF describes the expression being tested by the IN
expression.
*
* JPA 1.0:
*
BNF: in_expression ::= state_field_path_expression [NOT] IN(in_item {, in_item}* | subquery)
* JPA 2.0
* BNF: in_expression ::= {state_field_path_expression | type_discriminator} [NOT] IN { ( in_item {, in_item}* ) | (subquery) | collection_valued_input_parameter }
*
* @version 2.4
* @since 2.4
* @author Pascal Filion
*/
@SuppressWarnings("nls")
public final class InExpressionExpressionBNF extends JPQLQueryBNF {
/**
* The unique identifier of this InExpressionExpressionBNF
.
*/
public static final String ID = "in_expression_expression";
/**
* Creates a new InExpressionExpressionBNF
.
*/
public InExpressionExpressionBNF() {
super(ID);
}
@Override
protected void initialize() {
super.initialize();
registerChild(StateFieldPathExpressionBNF.ID);
}
}