content: /**
   * 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 com.alibaba.jstorm.daemon.nimbus.metric.assignment;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.alibaba.jstorm.daemon.nimbus.metric.ClusterMetricsRunnable;
  import com.alibaba.jstorm.daemon.nimbus.metric.MetricEvent;
  
  public class RemoveTopologyEvent extends MetricEvent {
      private static final Logger LOG = LoggerFactory.getLogger(RemoveTopologyEvent.class);
      
      public void removeTopology(String topologyId) {
          context.getMetricCache().removeTopology(topologyId);
          context.getMetricCache().removeSampleRate(topologyId);
          context.getTopologyMetricContexts().remove(topologyId);
      }
      
      @Override
      public void run() {
          if (topologyId != null) {
              removeTopology(topologyId);
          }
          LOG.info("remove topology:{}.", topologyId);
      }
      
      public static void pushEvent(String topologyId) {
          RemoveTopologyEvent event = new RemoveTopologyEvent();
          event.setTopologyId(topologyId);
          event.setClusterMetricsContext(ClusterMetricsRunnable.getInstance().getContext());
          
  //        ClusterMetricsRunnable.pushEvent(event);
          
          // directly remove event, skip issue remove event
          event.run();
      }
  }
  