import org.apache.hadoop.hbase.ipc.ProtocolSignature; //导入依赖的package包/类
@Override
public ProtocolSignature getProtocolSignature(
    String protocol, long version, int clientMethodsHashCode)
throws IOException {
  if (HMasterInterface.class.getName().equals(protocol)) {
    return new ProtocolSignature(HMasterInterface.VERSION, null);
  } else if (HMasterRegionInterface.class.getName().equals(protocol)) {
    return new ProtocolSignature(HMasterRegionInterface.VERSION, null);
  }
  throw new IOException("Unknown protocol: " + protocol);
}
 

import org.apache.hadoop.hbase.ipc.ProtocolSignature; //导入依赖的package包/类
@Override
public ProtocolSignature getProtocolSignature(
    String protocol, long version, int clientMethodsHashCode)
throws IOException {
  if (AggregateProtocol.class.getName().equals(protocol)) {
    return new ProtocolSignature(AggregateProtocol.VERSION, null);
  }
  throw new IOException("Unknown protocol: " + protocol);
}
 

import org.apache.hadoop.hbase.ipc.ProtocolSignature; //导入依赖的package包/类
@Override
@QosPriority(priority = HConstants.HIGH_QOS)
public ProtocolSignature getProtocolSignature(String protocol, long version,
    int clientMethodsHashCode) throws IOException {
  if (protocol.equals(HRegionInterface.class.getName())) {
    return new ProtocolSignature(HRegionInterface.VERSION, null);
  }
  throw new IOException("Unknown protocol: " + protocol);
}
 

import org.apache.hadoop.hbase.ipc.ProtocolSignature; //导入依赖的package包/类
@Override
public ProtocolSignature getProtocolSignature(String protocol,
    long clientVersion, int clientMethodsHash) throws IOException {
  if (AccessControllerProtocol.class.getName().equals(protocol)) {
    return new ProtocolSignature(PROTOCOL_VERSION, null);
  }
  throw new HBaseRPC.UnknownProtocolException(
      "Unexpected protocol requested: "+protocol);
}
 

import org.apache.hadoop.hbase.ipc.ProtocolSignature; //导入依赖的package包/类
@Override
@QosPriority(priority=HConstants.HIGH_QOS)
public ProtocolSignature getProtocolSignature(
    String protocol, long version, int clientMethodsHashCode)
throws IOException {
  if (protocol.equals(HRegionInterface.class.getName())) {
    return new ProtocolSignature(HRegionInterface.VERSION, null);
  }
  throw new IOException("Unknown protocol: " + protocol);
}
 

import org.apache.hadoop.hbase.ipc.ProtocolSignature; //导入依赖的package包/类
@Override
@QosPriority(priority=HIGH_QOS)
public ProtocolSignature getProtocolSignature(
    String protocol, long version, int clientMethodsHashCode)
throws IOException {
  if (protocol.equals(HRegionInterface.class.getName())) {
    return new ProtocolSignature(HRegionInterface.VERSION, null);
  }
  throw new IOException("Unknown protocol: " + protocol);
}
 

import org.apache.hadoop.hbase.ipc.ProtocolSignature; //导入依赖的package包/类
@Override
public ProtocolSignature getProtocolSignature(
    String protocol, long version, int clientMethodsHashCode)
throws IOException {
  return new ProtocolSignature(VERSION, null);
}