OptionalMatchClause.java

/**
 * Copyright (c) 2002-2013 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.neo4j.cypherdsl.query.clause;

import org.neo4j.cypherdsl.expression.PathExpression;

import java.util.ArrayList;

/**
 * MATCH clause
 */
public class OptionalMatchClause
        extends Clause
{
    private final ArrayList<PathExpression> expressions = new ArrayList<PathExpression>();

    public OptionalMatchClause(Iterable<PathExpression> expressions)
    {
        for ( PathExpression expression : expressions )
        {
            this.expressions.add( expression );
        }
    }

    @Override
    public void asString( StringBuilder builder )
    {
        clauseAsString( builder, "OPTIONAL MATCH", expressions, "," );
    }
}