MQ!Rabbit-client AMQImpl

AMQPImpl类包括AMQP接口（public class AMQImpl implements AMQP）主要囊括了AMQP协议中的通信帧的类别。

在学习 channelN类的时候basicQos调用的类实际是AMQImpl的一个内部类的方法。

下面是Connection.Start帧,其他帧也都是类似的（我严重怀疑写这个程序的人以前是写C的????）

public static class Connection {
    public static final int INDEX = 10;

    public static class Start
        extends Method
        implements com.rabbitmq.client.AMQP.Connection.Start
    {
        public static final int INDEX = 10;

        private final int versionMajor;
        private final int versionMinor;
        private final Map<String,Object> serverProperties;
        private final LongString mechanisms;
        private final LongString locales;

        public int getVersionMajor() { return versionMajor; }
        public int getVersionMinor() { return versionMinor; }
        public Map<String,Object> getServerProperties() { return serverProperties; }
        public LongString getMechanisms() { return mechanisms; }
        public LongString getLocales() { return locales; }

        public Start(int versionMajor, int versionMinor, Map<String,Object> serverProperties, LongString mechanisms, LongString locales) {
            if (locales == null)
                throw new IllegalStateException("Invalid configuration: 'locales' must be non-null.");
            if (mechanisms == null)
                throw new IllegalStateException("Invalid configuration: 'mechanisms' must be non-null.");
            this.versionMajor = versionMajor;
            this.versionMinor = versionMinor;
            this.serverProperties = serverProperties==null ? null : Collections.unmodifiableMap(new HashMap<String,Object>(serverProperties));
            this.mechanisms = mechanisms;
            this.locales = locales;
        }
        public Start(MethodArgumentReader rdr) throws IOException {
            this(rdr.readOctet(), rdr.readOctet(), rdr.readTable(), rdr.readLongstr(), rdr.readLongstr());
        }

        public int protocolClassId() { return 10; }
        public int protocolMethodId() { return 10; }
        public String protocolMethodName() { return "connection.start";}

        public boolean hasContent() { return false; }

        public Object visit(MethodVisitor visitor) throws IOException
        {   return visitor.visit(this); }

        public void appendArgumentDebugStringTo(StringBuilder acc) {
            acc.append("(version-major=")
                .append(this.versionMajor)
                .append(", version-minor=")
                .append(this.versionMinor)
                .append(", server-properties=")
                .append(this.serverProperties)
                .append(", mechanisms=")
                .append(this.mechanisms)
                .append(", locales=")
                .append(this.locales)
                .append(")");
        }

        public void writeArgumentsTo(MethodArgumentWriter writer)
            throws IOException
        {
            writer.writeOctet(this.versionMajor);
            writer.writeOctet(this.versionMinor);
            writer.writeTable(this.serverProperties);
            writer.writeLongstr(this.mechanisms);
            writer.writeLongstr(this.locales);
        }
    }
 ...   
}

看起来代码好长好长????，但是不用怕（反正怕也得看????）。首先要注意一点内部类Start是继承Method类（注意！！这里的Method类不是反射里面的那个，而是rabbitMq里面的类）。

一些属性

public static final int INDEX = 10;
private final int versionMajor;
private final int versionMinor;
private final Map<String,Object> serverProperties;
private final LongString mechanisms;
private final LongString locales;

一些get方法

public int getVersionMajor() { return versionMajor; }
public int getVersionMinor() { return versionMinor; }
public Map<String,Object> getServerProperties() { return serverProperties; }
public LongString getMechanisms() { return mechanisms; }
public LongString getLocales() { return locales; }

重要的参数：classId,MethodId,hasContent

public int protocolClassId() { return 10; }
public int protocolMethodId() { return 10; }
public boolean hasContent() { return false; }

剩下的都是对应方法中的主要信息。

下表涵盖AQMP协议各个种类的Method以及其一些属性，看完这张表就看完了AMQPImpl的全部。

Method-Name	classId	methodId	hasContent
Connection.Start	10	10	false
Connection.StartOk	10	11	false
Connection.Secure	10	20	false
Connection.SecureOk	10	21	false
Connection.Tune	10	30	false
Connection.TuneOk	10	31	false
Connection.Open	10	40	false
Connection.OpenOk	10	41	false
Connection.Close	10	50	false
Connection.CloseOk	10	51	false
Connection.Blocked	10	60	false
Connection.Unblocked	10	61	false
Channel.Open	20	10	false
Channel.OpenOk	20	11	false
Channel.Flow	20	20	false
Channel.FlowOk	20	21	false
Channel.Close	20	40	false
Channel.CloseOk	20	41	false
Access.Request	30	10	false
Access.RequestOk	30	11	false
Exchange.Declare	40	10	false
Exchange.DeclareOk	40	11	false
Exchange.Delete	40	20	false
Exchange.DeleteOk	40	21	false
Exchange.Bind	40	30	false
Exchange.BindOk	40	31	false
Exchange.Unbind	40	40	false
Exchange.UnbindOk	40	51	false
Queue.Declare	50	10	false
Queue.DeclareOk	50	11	false
Queue.Bind	50	20	false
Queue.BindOk	50	21	false
Queue.Purge	50	30	false
Queue.PurgeOk	50	31	false
Queue.Delete	50	40	false
Queue.DeleteOk	50	41	false
Queue.Unbind	50	50	false
Queue.UnbindOk	50	51	false
Basic.Qos	60	10	false
Basic.QosOk	60	11	false
Basic.Consume	60	20	false
Basic.ConsumeOk	60	21	false
Basic.Cancel	60	30	false
Basic.CancelOk	60	31	false
Basic.Publish	60	40	true
Basic.Return	60	50	true
Basic.Deliver	60	60	true
Basic.Get	60	70	false
Basic.GetOk	60	71	true
Basic.GetEmpty	60	72	false
Basic.Ack	60	80	false
Basic.Reject	60	90	false
Basic.RecoverAsync	60	100	false
Basic.Recover	60	110	false
Basic.RecoverOk	60	111	false
Basic.Nack	60	120	false
Tx.Select	90	10	false
Tx.SelectOk	90	11	false
Tx.Commit	90	20	false
Tx.CommitOk	90	21	false
Tx.Rollback	90	30	false
Tx.RollbackOk	90	31	false
Confirm.Select	85	10	false
Confirm.SelectOk	85	11	false

好的，完美的水了一篇 over????

本文地址：https://blog.csdn.net/qq_15351029/article/details/111952156