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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.syncope.core.provisioning.java.job;
20  
21  import java.lang.management.ManagementFactory;
22  import org.apache.syncope.common.lib.info.SystemInfo;
23  import org.quartz.JobExecutionContext;
24  import org.quartz.JobExecutionException;
25  import org.springframework.context.ApplicationEventPublisher;
26  
27  /**
28   * Reports about system load.
29   */
30  public class SystemLoadReporterJob extends AbstractInterruptableJob {
31  
32      protected static final Integer MB = 1024 * 1024;
33  
34      protected final ApplicationEventPublisher publisher;
35  
36      public SystemLoadReporterJob(final ApplicationEventPublisher publisher) {
37          this.publisher = publisher;
38      }
39  
40      @Override
41      public void execute(final JobExecutionContext context) throws JobExecutionException {
42          SystemInfo.LoadInstant instant = new SystemInfo.LoadInstant();
43  
44          instant.setSystemLoadAverage(ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage());
45  
46          instant.setUptime(ManagementFactory.getRuntimeMXBean().getUptime());
47  
48          Runtime runtime = Runtime.getRuntime();
49          instant.setTotalMemory(runtime.totalMemory() / MB);
50          instant.setMaxMemory(runtime.maxMemory() / MB);
51          instant.setFreeMemory(runtime.freeMemory() / MB);
52  
53          publisher.publishEvent(instant);
54      }
55  }