/**
    *
    * 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.hadoop.hbase.ipc;
  
  import org.apache.hadoop.hbase.MultiActionResultTooLarge;
  import org.apache.hadoop.hbase.NotServingRegionException;
  import org.apache.hadoop.hbase.RegionTooBusyException;
  import org.apache.hadoop.hbase.UnknownScannerException;
  import org.apache.hadoop.hbase.classification.InterfaceAudience;
  import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
  import org.apache.hadoop.hbase.exceptions.FailedSanityCheckException;
  import org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException;
  import org.apache.hadoop.hbase.exceptions.RegionMovedException;
  import org.apache.hadoop.hbase.exceptions.ScannerResetException;
  
  @InterfaceAudience.Private
  public class MetricsHBaseServer {
    private MetricsHBaseServerSource source;
    private MetricsHBaseServerWrapper serverWrapper;
  
    public MetricsHBaseServer(String serverName, MetricsHBaseServerWrapper wrapper) {
      serverWrapper = wrapper;
      source = CompatibilitySingletonFactory.getInstance(MetricsHBaseServerSourceFactory.class)
                                            .create(serverName, wrapper);
    }
  
    void authorizationSuccess() {
      source.authorizationSuccess();
    }
  
    void authorizationFailure() {
      source.authorizationFailure();
    }
  
    void authenticationFailure() {
      source.authenticationFailure();
    }
  
    void authenticationSuccess() {
      source.authenticationSuccess();
    }
  
    void authenticationFallback() {
      source.authenticationFallback();
    }
  
    void sentBytes(long count) {
      source.sentBytes(count);
    }
  
    void receivedBytes(int count) {
      source.receivedBytes(count);
    }
  
    void sentResponse(long count) { source.sentResponse(count); }
  
    void receivedRequest(long count) { source.receivedRequest(count); }
  
    void dequeuedCall(int qTime) {
      source.dequeuedCall(qTime);
    }
  
    void processedCall(int processingTime) {
      source.processedCall(processingTime);
    }
  
    void totalCall(int totalTime) {
      source.queuedAndProcessedCall(totalTime);
    }
  
    public void exception(Throwable throwable) {
      source.exception();
  
      /**
       * Keep some metrics for commonly seen exceptions
       *
       * Try and  put the most common types first.
       * Place child types before the parent type that they extend.
       *
       * If this gets much larger we might have to go to a hashmap
       */
      if (throwable != null) {
       if (throwable instanceof OutOfOrderScannerNextException) {
         source.outOfOrderException();
       } else if (throwable instanceof RegionTooBusyException) {
         source.tooBusyException();
       } else if (throwable instanceof UnknownScannerException) {
         source.unknownScannerException();
       } else if (throwable instanceof ScannerResetException) {
         source.scannerResetException();
       } else if (throwable instanceof RegionMovedException) {
         source.movedRegionException();
       } else if (throwable instanceof NotServingRegionException) {
         source.notServingRegionException();
       } else if (throwable instanceof FailedSanityCheckException) {
         source.failedSanityException();
       } else if (throwable instanceof MultiActionResultTooLarge) {
         source.multiActionTooLargeException();
       }
     }
   }
 
   public MetricsHBaseServerSource getMetricsSource() {
     return source;
   }
 
   public MetricsHBaseServerWrapper getHBaseServerWrapper() {
     return serverWrapper;
   }
 }