/*
 * Copyright contributors to Hyperledger Besu.
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
package org.hyperledger.besu.ethereum.p2p.discovery.dns;

import org.apache.tuweni.devp2p.EthereumNodeRecord;

// Adapted from https://github.com/tmio/tuweni and licensed under Apache 2.0
/**
 * Reads ENR (Ethereum Node Records) entries passed in from DNS. The visitor may decide to stop the
 * visit by returning false.
 */
public interface DNSVisitor {
  /**
   * Visit a new ENR record.
   *
   * @param enr the ENR record read from DNS
   * @return true to continue visiting, false otherwise
   */
  boolean visit(final EthereumNodeRecord enr);
}
