How to use

createSystemInfo

method

in

org.rhq.core.system.SystemInfoFactory

private List<ProcessInfo> getProcessInfos() {
  SystemInfo systemInfo = SystemInfoFactory.createSystemInfo();
  log.debug("Retrieving process table...");
  long startTime = System.currentTimeMillis();
  List<ProcessInfo> processInfos = null;
  try {
    processInfos = systemInfo.getAllProcesses();
  } catch (UnsupportedOperationException uoe) {
    log.debug("Cannot perform process scan - not supported on this platform. (" + systemInfo.getClass() + ")");
  }
  long elapsedTime = System.currentTimeMillis() - startTime;
  if (log.isDebugEnabled()) {
    log.debug("Retrieval of process table took " + elapsedTime + " ms.");
  }
  return processInfos;
}

private PluginContext createPluginContext(String pluginName) {
  SystemInfo sysInfo = SystemInfoFactory.createSystemInfo();
  File dataDir = new File(pluginContainerConfiguration.getDataDirectory(), pluginName);
  File tmpDir = pluginContainerConfiguration.getTemporaryDirectory();
  String pcName = pluginContainerConfiguration.getContainerName();
  PluginContext context = new PluginContext(pluginName, sysInfo, tmpDir, dataDir, pcName);
  return context;
}

private ProcessExecutionResults startNode(File basedir) {
  if (log.isDebugEnabled()) {
    log.debug("Starting node at " + basedir);
  }
  File binDir = new File(basedir, "bin");
  File startScript;
  SystemInfo systemInfo = SystemInfoFactory.createSystemInfo();
  ProcessExecution startScriptExe;
  if (systemInfo.getOperatingSystemType() == OperatingSystemType.WINDOWS) {
    startScript = new File(binDir, "cassandra.bat");
    startScriptExe = createProcessExecution(null, startScript);
  } else {
    startScript = new File(binDir, "cassandra");
    startScriptExe = createProcessExecution(null, startScript);
    startScriptExe.addArguments(Arrays.asList("-p", "cassandra.pid"));
  }
  startScriptExe.setWaitForCompletion(0);
  ProcessExecutionResults results = systemInfo.executeProcess(startScriptExe);
  if (log.isDebugEnabled()) {
    log.debug(startScript + " returned with exit code [" + results.getExitCode() + "]");
  }
  return results;
}

SystemInfo systemInfo = SystemInfoFactory.createSystemInfo();

public static TemplateEngine fetchTemplateEngine() {
    SystemInfo systemInfo = createSystemInfo();

public static TemplateEngine fetchTemplateEngine() {
    SystemInfo systemInfo = createSystemInfo();

SystemInfo systemInfo = SystemInfoFactory.createSystemInfo();

SystemInfo systemInfo = SystemInfoFactory.createSystemInfo();
PluginMetadataManager metadataManager = pluginManager.getMetadataManager();
Set<ResourceType> platformTypes = metadataManager.getTypesForCategory(ResourceCategory.PLATFORM);

try {
  ResourceDiscoveryContext context = new ResourceDiscoveryContext(resourceType, parentComponent,
    parentResourceContext, SystemInfoFactory.createSystemInfo(), processScanResults,
    Collections.EMPTY_LIST, this.configuration.getContainerName(),
    this.configuration.getPluginContainerDeployment());

public <T extends ResourceComponent<?>> ResourceUpgradeContext<T> createResourceUpgradeContext(Resource resource,
  ResourceContext<?> parentResourceContext, T parentComponent, ResourceDiscoveryComponent<T> discoveryComponent) {
  return new ResourceUpgradeContext<T>(resource, // the resource itself
    parentResourceContext, //the context of its parent resource
    parentComponent, // its parent component
    discoveryComponent, // the discovery component (this is actually the proxy to it)
    SystemInfoFactory.createSystemInfo(), // for native access
    this.configuration.getTemporaryDirectory(), // location for plugin to write temp files
    this.configuration.getDataDirectory(), // base location for plugin to write data files
    this.configuration.getContainerName(), // the name of the agent/PC
    getEventContext(resource), // for event access
    getOperationContext(resource), // for operation manager access
    getContentContext(resource), // for content manager access
    getAvailabilityContext(resource), // for components that want avail manager access
    getInventoryContext(resource), this.configuration.getPluginContainerDeployment()); // helps components make determinations of what to do
}

  SystemInfoFactory.createSystemInfo(), new ArrayList<ProcessScanResult>(0),
  new ArrayList<Configuration>(0), this.configuration.getContainerName(),
  this.configuration.getPluginContainerDeployment());
ResourceDiscoveryContext<ResourceComponent<?>> discoveryContext = new ResourceDiscoveryContext<ResourceComponent<?>>(
  resourceType, parentResourceComponent, parentResourceContainer.getResourceContext(),
  SystemInfoFactory.createSystemInfo(), new ArrayList<ProcessScanResult>(0), pluginConfigurations,
  this.configuration.getContainerName(), this.configuration.getPluginContainerDeployment());

private <T extends ResourceComponent<?>> ResourceContext<T> createResourceContext(Resource resource,
  T parentComponent, ResourceContext<?> parentResourceContext, ResourceDiscoveryComponent<T> discoveryComponent) {
  return new ResourceContext<T>(resource, // the resource itself
    parentComponent, // its parent component
    parentResourceContext, //the resource context of the parent
    discoveryComponent, // the discovery component (this is actually the proxy to it)
    SystemInfoFactory.createSystemInfo(), // for native access
    this.configuration.getTemporaryDirectory(), // location for plugin to write temp files
    this.configuration.getDataDirectory(), // base location for plugin to write data files
    this.configuration.getContainerName(), // the name of the agent/PC
    getEventContext(resource), // for event access
    getOperationContext(resource), // for operation manager access
    getContentContext(resource), // for content manager access
    getAvailabilityContext(resource), getInventoryContext(resource),
    this.configuration.getPluginContainerDeployment(), // helps components make determinations of what to do
    new ComponentInvocationContextImpl());
}

parentResourceContext, SystemInfoFactory.createSystemInfo(), null, null,
this.configuration.getContainerName(), this.configuration.getPluginContainerDeployment());