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1   package org.apache.fulcrum.yaafi.interceptor.jamon;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.lang.reflect.Method;
23  
24  import com.jamonapi.Monitor;
25  import com.jamonapi.MonitorFactory;
26  import org.apache.fulcrum.yaafi.interceptor.util.MethodToStringBuilderImpl;
27  
28  /**
29   * Ecapsulating the JAMon 1.x related API calls
30   *
31   * @deprecated JAMon 1.x is ancient so it is a good idea to upgrade to 2.x
32   * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
33   */
34  
35  public class Jamon1PerformanceMonitorImpl implements JamonPerformanceMonitor
36  {
37      /** is monitoring enabled */
38      private boolean isActive;
39  
40      /** the method currenty monitored */
41      private Method method;
42  
43      /** the global JAMON monitor */
44      private Monitor monitor;
45  
46      /**
47       * Constructor.
48       *
49       * @param serviceName the service name of the service being monitored
50       * @param method the method to be monitored
51       * @param isActive is this an active monitor
52       */
53      public Jamon1PerformanceMonitorImpl(String serviceName, Method method, Boolean isActive) {
54          this.method = method;
55          this.isActive = isActive.booleanValue();
56      }
57  
58      /**
59       * Start the monitor.
60       */
61      public void start()
62      {
63          if(this.isActive)
64          {
65              MethodToStringBuilderImpl methodToStringBuilder = new MethodToStringBuilderImpl(this.method, 0);
66              String methodSignature = methodToStringBuilder.toString();
67              this.monitor = MonitorFactory.start(methodSignature);
68          }
69      }
70  
71      /**
72       * Start the monitor.
73       */
74      public void stop()
75      {
76          if(this.isActive)
77          {
78              this.monitor.stop();
79          }
80      }
81  
82      /**
83       * Stop the monitor based on an Throwable.
84       */
85      public void stop(Throwable throwable)
86      {
87          this.stop();
88      }
89  
90      /**
91       * Create a performance report
92       */
93      public String createReport() throws Exception
94      {
95          return MonitorFactory.getRootMonitor().getReport();
96      }
97  }