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Java example source code file (DnsRecord.java)

This example Java source code file (DnsRecord.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

class_any, class_chaos, class_csnet, class_hesiod, class_in, class_none, dnsrecord, dnsrecordtype, string, unstableapi

The DnsRecord.java Java example source code

/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project 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 io.netty.handler.codec.dns;

import io.netty.util.internal.UnstableApi;

/**
 * A DNS resource record.
 */
@UnstableApi
public interface DnsRecord {

    /**
     * DNS resource record class: {@code IN}
     */
    int CLASS_IN = 0x0001;

    /**
     * DNS resource record class: {@code CSNET}
     */
    int CLASS_CSNET = 0x0002;

    /**
     * DNS resource record class: {@code CHAOS}
     */
    int CLASS_CHAOS = 0x0003;

    /**
     * DNS resource record class: {@code HESIOD}
     */
    int CLASS_HESIOD = 0x0004;

    /**
     * DNS resource record class: {@code NONE}
     */
    int CLASS_NONE = 0x00fe;

    /**
     * DNS resource record class: {@code ANY}
     */
    int CLASS_ANY = 0x00ff;

    /**
     * Returns the name of this resource record.
     */
    String name();

    /**
     * Returns the type of this resource record.
     */
    DnsRecordType type();

    /**
     * Returns the class of this resource record.
     *
     * @return the class value, usually one of the following:
     *         <ul>
     *             <li>{@link #CLASS_IN}
     *             <li>{@link #CLASS_CSNET}
     *             <li>{@link #CLASS_CHAOS}
     *             <li>{@link #CLASS_HESIOD}
     *             <li>{@link #CLASS_NONE}
     *             <li>{@link #CLASS_ANY}
     *         </ul>
     */
    int dnsClass();

    /**
     * Returns the time to live after reading for this resource record.
     */
    long timeToLive();
}

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