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Building on top of the Neo4j 4.4 JavaCC parsers it provides a way from Cypher to Cypher-DSL Ast.

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/*
 * Copyright (c) 2019-2024 "Neo4j,"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * 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
 *
 *     https://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 org.neo4j.cypherdsl.parser;

import static org.apiguardian.api.API.Status.INTERNAL;

import org.apiguardian.api.API;
import org.neo4j.cypherdsl.core.Expression;
import org.neo4j.cypherdsl.core.PatternElement;
import org.neo4j.cypherdsl.core.ast.Visitor;

/**
 * Necessary for {@code shortestPath} and friends.
 *
 * @author Michael J. Simons
 * @since 2021.3.0
 */
@API(status = INTERNAL, since = "2021.3.0")
final class ExpressionAsPatternElementWrapper implements PatternElement {

	private final Expression expression;

	ExpressionAsPatternElementWrapper(Expression expression) {
		this.expression = expression;
	}

	public Expression getExpression() {
		return expression;
	}

	@Override
	public void accept(Visitor visitor) {
		this.expression.accept(visitor);
	}
}