public void importHostInfo()

in ambari-server/src/main/java/org/apache/ambari/server/state/host/HostImpl.java [375:474]
91 lines of code
27 McCabe index (conditional complexity)

  public void importHostInfo(HostInfo hostInfo) {
    try {
      writeLock.lock();

      if (hostInfo.getIPAddress() != null
          && !hostInfo.getIPAddress().isEmpty()) {
        setIPv4(hostInfo.getIPAddress());
        setIPv6(hostInfo.getIPAddress());
      }

      setCpuCount(hostInfo.getProcessorCount());
      setPhCpuCount(hostInfo.getPhysicalProcessorCount());
      setTotalMemBytes(hostInfo.getMemoryTotal());
      setAvailableMemBytes(hostInfo.getFreeMemory());

      if (hostInfo.getArchitecture() != null
          && !hostInfo.getArchitecture().isEmpty()) {
        setOsArch(hostInfo.getArchitecture());
      }

      if (hostInfo.getOS() != null
          && !hostInfo.getOS().isEmpty()) {
        String osType = hostInfo.getOS();
        if (hostInfo.getOSRelease() != null) {
          String[] release = hostInfo.getOSRelease().split("\\.");
          if (release.length > 0) {
            osType += release[0];
          }
        }
        setOsType(osType.toLowerCase());
      }

      if (hostInfo.getMounts() != null
          && !hostInfo.getMounts().isEmpty()) {
        setDisksInfo(hostInfo.getMounts());
      }

      // FIXME add all other information into host attributes
      this.setAgentVersion(new AgentVersion(
          hostInfo.getAgentUserId()));

      Map<String, String> attrs = new HashMap<String, String>();
      if (hostInfo.getHardwareIsa() != null) {
        attrs.put(HARDWAREISA, hostInfo.getHardwareIsa());
      }
      if (hostInfo.getHardwareModel() != null) {
        attrs.put(HARDWAREMODEL, hostInfo.getHardwareModel());
      }
      if (hostInfo.getInterfaces() != null) {
        attrs.put(INTERFACES, hostInfo.getInterfaces());
      }
      if (hostInfo.getKernel() != null) {
        attrs.put(KERNEL, hostInfo.getKernel());
      }
      if (hostInfo.getKernelMajVersion() != null) {
        attrs.put(KERNELMAJOREVERSON, hostInfo.getKernelMajVersion());
      }
      if (hostInfo.getKernelRelease() != null) {
        attrs.put(KERNELRELEASE, hostInfo.getKernelRelease());
      }
      if (hostInfo.getKernelVersion() != null) {
        attrs.put(KERNELVERSION, hostInfo.getKernelVersion());
      }
      if (hostInfo.getMacAddress() != null) {
        attrs.put(MACADDRESS, hostInfo.getMacAddress());
      }
      if (hostInfo.getNetMask() != null) {
        attrs.put(NETMASK, hostInfo.getNetMask());
      }
      if (hostInfo.getOSFamily() != null) {
        attrs.put(OSFAMILY, hostInfo.getOSFamily());
      }
      if (hostInfo.getPhysicalProcessorCount() != 0) {
        attrs.put(PHYSICALPROCESSORCOUNT,
          Long.toString(hostInfo.getPhysicalProcessorCount()));
      }
      if (hostInfo.getProcessorCount() != 0) {
        attrs.put(PROCESSORCOUNT,
          Long.toString(hostInfo.getProcessorCount()));
      }
      if (Boolean.toString(hostInfo.getSeLinux()) != null) {
        attrs.put(SELINUXENABLED, Boolean.toString(hostInfo.getSeLinux()));
      }
      if (hostInfo.getSwapSize() != null) {
        attrs.put(SWAPSIZE, hostInfo.getSwapSize());
      }
      if (hostInfo.getSwapFree() != null) {
        attrs.put(SWAPFREE, hostInfo.getSwapFree());
      }
      if (hostInfo.getTimeZone() != null) {
        attrs.put(TIMEZONE, hostInfo.getTimeZone());
      }
      setHostAttributes(attrs);

      saveIfPersisted();
    }
    finally {
      writeLock.unlock();
    }
  }