code: /*
   * 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.skywalking.oap.server.core.analysis.manual.cache;
  
  import org.apache.skywalking.oap.server.core.analysis.SourceDispatcher;
  import org.apache.skywalking.oap.server.core.analysis.worker.TopNStreamProcessor;
  import org.apache.skywalking.oap.server.core.source.VirtualCacheOperation;
  import org.apache.skywalking.oap.server.core.source.CacheSlowAccess;
  
  public class CacheSlowAccessDispatcher implements SourceDispatcher<CacheSlowAccess> {
  
      @Override
      public void dispatch(CacheSlowAccess source) {
          // There are only two kinds of Operation : write or read .Refer VirtualCacheProcessor#prepareVSIfNecessary
          if (source.getOperation() == VirtualCacheOperation.Read) {
              TopNCacheReadCommand readCommand = new TopNCacheReadCommand();
              readCommand.setId(source.getId());
              readCommand.setCommand(source.getCommand() + " " + source.getKey());
              readCommand.setLatency(source.getLatency());
              readCommand.setTraceId(source.getTraceId());
              readCommand.setEntityId(source.getCacheServiceId());
              readCommand.setTimeBucket(source.getTimeBucket());
              readCommand.setTimestamp(source.getTimestamp());
              TopNStreamProcessor.getInstance().in(readCommand);
          } else if (source.getOperation() == VirtualCacheOperation.Write) {
              TopNCacheWriteCommand writeCommand = new TopNCacheWriteCommand();
              writeCommand.setId(source.getId());
              writeCommand.setCommand(source.getCommand() + " " + source.getKey());
              writeCommand.setLatency(source.getLatency());
              writeCommand.setTraceId(source.getTraceId());
              writeCommand.setEntityId(source.getCacheServiceId());
              writeCommand.setTimeBucket(source.getTimeBucket());
              writeCommand.setTimestamp(source.getTimestamp());
              TopNStreamProcessor.getInstance().in(writeCommand);
          }
      }
  }
  