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 org.apache.activemq.broker.jmx;
  
  import org.apache.activemq.broker.region.Subscription;
  import org.apache.activemq.broker.region.policy.AbortSlowConsumerStrategy;
  import org.apache.activemq.broker.region.policy.SlowConsumerEntry;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.management.ObjectName;
  import javax.management.openmbean.CompositeType;
  import javax.management.openmbean.OpenDataException;
  import javax.management.openmbean.TabularData;
  import javax.management.openmbean.TabularDataSupport;
  import javax.management.openmbean.TabularType;
  import java.util.Map;
  
  public class AbortSlowConsumerStrategyView implements AbortSlowConsumerStrategyViewMBean {
      private static final Logger LOG = LoggerFactory.getLogger(AbortSlowConsumerStrategyView.class);
      private ManagedRegionBroker broker;
      private AbortSlowConsumerStrategy strategy;
  
  
      public AbortSlowConsumerStrategyView(ManagedRegionBroker managedRegionBroker, AbortSlowConsumerStrategy slowConsumerStrategy) {
          this.broker = managedRegionBroker;
          this.strategy = slowConsumerStrategy;
      }
  
      public long getMaxSlowCount() {
          return strategy.getMaxSlowCount();
      }
  
      public void setMaxSlowCount(long maxSlowCount) {
          strategy.setMaxSlowCount(maxSlowCount);
      }
  
      public long getMaxSlowDuration() {
          return strategy.getMaxSlowDuration();
      }
  
      public void setMaxSlowDuration(long maxSlowDuration) {
         strategy.setMaxSlowDuration(maxSlowDuration);
      }
  
      public long getCheckPeriod() {
          return strategy.getCheckPeriod();
      }
  
      public TabularData getSlowConsumers() throws OpenDataException {
  
          OpenTypeSupport.OpenTypeFactory factory = OpenTypeSupport.getFactory(SlowConsumerEntry.class);
          CompositeType ct = factory.getCompositeType();
          TabularType tt = new TabularType("SlowConsumers", "Table of current slow Consumers", ct, new String[] {"subscription" });
          TabularDataSupport rc = new TabularDataSupport(tt);
          
          int index = 0;
          Map<Subscription, SlowConsumerEntry> slowConsumers = strategy.getSlowConsumers();
          for (Map.Entry<Subscription, SlowConsumerEntry> entry : slowConsumers.entrySet()) {
              entry.getValue().setSubscription(broker.getSubscriberObjectName(entry.getKey()));
              rc.put(OpenTypeSupport.convert(entry.getValue()));
          }
          return rc;
      }
  
      public void abortConsumer(ObjectName consumerToAbort) {
          Subscription sub = broker.getSubscriber(consumerToAbort);
          if (sub != null) {
              LOG.info("aborting consumer via jmx: {}", sub.getConsumerInfo().getConsumerId());
              strategy.abortConsumer(sub, false);
          } else {
              LOG.warn("cannot resolve subscription matching name: {}", consumerToAbort);
          }
  
      }
  
      public void abortConnection(ObjectName consumerToAbort) {
          Subscription sub = broker.getSubscriber(consumerToAbort);
          if (sub != null) {
              LOG.info("aborting consumer connection via jmx: {}", sub.getConsumerInfo().getConsumerId().getConnectionId());
              strategy.abortConsumer(sub, true);
          } else {
              LOG.warn("cannot resolve subscription matching name: {}", consumerToAbort);
          }
      }
  
      public void abortConsumer(String objectNameOfConsumerToAbort) {
          abortConsumer(toObjectName(objectNameOfConsumerToAbort));
      }
  
      public void abortConnection(String objectNameOfConsumerToAbort) {
          abortConnection(toObjectName(objectNameOfConsumerToAbort));
      }
  
      private ObjectName toObjectName(String objectName) {
          ObjectName result = null;
          try {
              result = new ObjectName(objectName);
          } catch (Exception e) {
              LOG.warn("cannot create subscription ObjectName to abort, from string: {}", objectName);
          }
          return result;
      }
  }
  