/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.lucene.queryparser.flexible.standard.nodes;

import org.apache.lucene.queryparser.flexible.core.nodes.GroupQueryNode;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl;
import org.apache.lucene.queryparser.flexible.core.parser.EscapeQuerySyntax;

/** Node that represents a minimum-should-match restriction on a {@link GroupQueryNode}. */
public class MinShouldMatchNode extends QueryNodeImpl {
  public final int minShouldMatch;
  public final GroupQueryNode groupQueryNode;

  public MinShouldMatchNode(int minShouldMatch, GroupQueryNode groupQueryNode) {
    this.minShouldMatch = minShouldMatch;
    this.groupQueryNode = groupQueryNode;

    this.setLeaf(false);
    this.allocate();
    add(groupQueryNode);
  }

  @Override
  public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser) {
    return groupQueryNode.toQueryString(escapeSyntaxParser) + "@" + minShouldMatch;
  }
}
