com.vmware.vim25.TraversalSpec Java Examples

private static TraversalSpec getTraversalSpec(String clusterName){
    TraversalSpec traversalSpec = new TraversalSpec();
    traversalSpec.setName("traverseEntities");
    traversalSpec.setPath("view");
    traversalSpec.setSkip(false);
    traversalSpec.setType("ContainerView");

    TraversalSpec traversalSpecAux = new TraversalSpec();
    if(clusterName == null){
        traversalSpecAux.setType("ComputeResource");
        traversalSpecAux.setPath("host");
    }else{
        traversalSpecAux.setType("HostSystem");
        traversalSpecAux.setPath("vm");
    }
    traversalSpecAux.setSkip(false);
    traversalSpec.getSelectSet().add(traversalSpecAux);
    return traversalSpec;
}
 

public List<ObjectContent> getDatastorePropertiesOnHostDatastoreSystem(String[] propertyPaths) throws Exception {

        PropertySpec pSpec = new PropertySpec();
        pSpec.setType("Datastore");
        pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

        TraversalSpec hostDsSys2DatastoreTraversal = new TraversalSpec();
        hostDsSys2DatastoreTraversal.setType("HostDatastoreSystem");
        hostDsSys2DatastoreTraversal.setPath("datastore");
        hostDsSys2DatastoreTraversal.setName("hostDsSys2DatastoreTraversal");

        ObjectSpec oSpec = new ObjectSpec();
        oSpec.setObj(_mor);
        oSpec.setSkip(Boolean.TRUE);
        oSpec.getSelectSet().add(hostDsSys2DatastoreTraversal);

        PropertyFilterSpec pfSpec = new PropertyFilterSpec();
        pfSpec.getPropSet().add(pSpec);
        pfSpec.getObjectSet().add(oSpec);
        List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
        pfSpecArr.add(pfSpec);

        return _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);
    }
 

public List<ObjectContent> getDatastorePropertiesOnDatacenter(String[] propertyPaths) throws Exception {

        PropertySpec pSpec = new PropertySpec();
        pSpec.setType("Datastore");
        pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

        TraversalSpec dc2DatastoreTraversal = new TraversalSpec();
        dc2DatastoreTraversal.setType("Datacenter");
        dc2DatastoreTraversal.setPath("datastore");
        dc2DatastoreTraversal.setName("dc2DatastoreTraversal");

        ObjectSpec oSpec = new ObjectSpec();
        oSpec.setObj(_mor);
        oSpec.setSkip(Boolean.TRUE);
        oSpec.getSelectSet().add(dc2DatastoreTraversal);

        PropertyFilterSpec pfSpec = new PropertyFilterSpec();
        pfSpec.getPropSet().add(pSpec);
        pfSpec.getObjectSet().add(oSpec);
        List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
        pfSpecArr.add(pfSpec);

        return _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    }
 

@Override
public ObjectContent[] getDatastorePropertiesOnHyperHost(String[] propertyPaths) throws Exception {
    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() on Datastore properties. target MOR: " + _mor.getValue() + ", properties: " +
                new Gson().toJson(propertyPaths));

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Datastore");
    pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

    TraversalSpec host2DatastoreTraversal = new TraversalSpec();
    host2DatastoreTraversal.setType("HostSystem");
    host2DatastoreTraversal.setPath("datastore");
    host2DatastoreTraversal.setName("host2DatastoreTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(host2DatastoreTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> properties = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() done");
    return properties.toArray(new ObjectContent[properties.size()]);
}
 

public String[] getNetworks() throws Exception {
    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Network");
    pSpec.getPathSet().add("name");

    TraversalSpec vm2NetworkTraversal = new TraversalSpec();
    vm2NetworkTraversal.setType("VirtualMachine");
    vm2NetworkTraversal.setPath("network");
    vm2NetworkTraversal.setName("vm2NetworkTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(vm2NetworkTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    List<String> networks = new ArrayList<String>();
    if (ocs != null && ocs.size() > 0) {
        for (ObjectContent oc : ocs) {
            networks.add(oc.getPropSet().get(0).getVal().toString());
        }
    }
    return networks.toArray(new String[0]);
}
 

public Pair<DatastoreMO, String> getOwnerDatastore(String dsFullPath) throws Exception {
    String dsName = DatastoreFile.getDatastoreNameFromPath(dsFullPath);

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Datastore");
    pSpec.getPathSet().add("name");

    TraversalSpec vmDatastoreTraversal = new TraversalSpec();
    vmDatastoreTraversal.setType("VirtualMachine");
    vmDatastoreTraversal.setPath("datastore");
    vmDatastoreTraversal.setName("vmDatastoreTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(vmDatastoreTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (ocs != null) {
        for (ObjectContent oc : ocs) {
            DynamicProperty prop = oc.getPropSet().get(0);
            if (prop.getVal().toString().equals(dsName)) {
                return new Pair<DatastoreMO, String>(new DatastoreMO(_context, oc.getObj()), dsName);
            }
        }
    }

    return null;
}
 

public List<DatastoreMO> getAllDatastores() throws Exception {
    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Datastore");
    pSpec.getPathSet().add("name");

    TraversalSpec vmDatastoreTraversal = new TraversalSpec();
    vmDatastoreTraversal.setType("VirtualMachine");
    vmDatastoreTraversal.setPath("datastore");
    vmDatastoreTraversal.setName("vmDatastoreTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(vmDatastoreTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    List<DatastoreMO> datastores = new ArrayList<DatastoreMO>();
    if (CollectionUtils.isNotEmpty(ocs)) {
        for (ObjectContent oc : ocs) {
            datastores.add(new DatastoreMO(_context, oc.getObj()));
        }
    }
    return datastores;
}
 

public ManagedObjectReference getDvPortGroupMor(String dvPortGroupName) throws Exception {
    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("DistributedVirtualPortgroup");
    pSpec.getPathSet().add("name");

    TraversalSpec datacenter2DvPortGroupTraversal = new TraversalSpec();
    datacenter2DvPortGroupTraversal.setType("Datacenter");
    datacenter2DvPortGroupTraversal.setPath("network");
    datacenter2DvPortGroupTraversal.setName("datacenter2DvPortgroupTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(datacenter2DvPortGroupTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (ocs != null) {
        for (ObjectContent oc : ocs) {
            List<DynamicProperty> props = oc.getPropSet();
            if (props != null) {
                for (DynamicProperty prop : props) {
                    if (prop.getVal().equals(dvPortGroupName))
                        return oc.getObj();
                }
            }
        }
    }
    return null;
}
 

public static Pair<DatacenterMO, String> getOwnerDatacenter(VmwareContext context, ManagedObjectReference morEntity) throws Exception {

        PropertySpec pSpec = new PropertySpec();
        pSpec.setType("Datacenter");
        pSpec.getPathSet().add("name");

        TraversalSpec entityParentTraversal = new TraversalSpec();
        entityParentTraversal.setType("ManagedEntity");
        entityParentTraversal.setPath("parent");
        entityParentTraversal.setName("entityParentTraversal");
        SelectionSpec selSpec = new SelectionSpec();
        selSpec.setName("entityParentTraversal");
        entityParentTraversal.getSelectSet().add(selSpec);

        ObjectSpec oSpec = new ObjectSpec();
        oSpec.setObj(morEntity);
        oSpec.setSkip(Boolean.TRUE);
        oSpec.getSelectSet().add(entityParentTraversal);

        PropertyFilterSpec pfSpec = new PropertyFilterSpec();
        pfSpec.getPropSet().add(pSpec);
        pfSpec.getObjectSet().add(oSpec);
        List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
        pfSpecArr.add(pfSpec);

        List<ObjectContent> ocs = context.getService().retrieveProperties(context.getPropertyCollector(), pfSpecArr);

        assert (ocs != null && ocs.size() > 0);
        assert (ocs.get(0).getObj() != null);
        assert (ocs.get(0).getPropSet().get(0) != null);
        assert (ocs.get(0).getPropSet().get(0).getVal() != null);

        String dcName = ocs.get(0).getPropSet().get(0).getVal().toString();
        return new Pair<DatacenterMO, String>(new DatacenterMO(context, ocs.get(0).getObj()), dcName);
    }
 

public List<ObjectContent> getVmPropertiesOnDatacenterVmFolder(String[] propertyPaths) throws Exception {
    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("VirtualMachine");
    pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

    TraversalSpec dc2VmFolderTraversal = new TraversalSpec();
    dc2VmFolderTraversal.setType("Datacenter");
    dc2VmFolderTraversal.setPath("vmFolder");
    dc2VmFolderTraversal.setName("dc2VmFolderTraversal");

    SelectionSpec recurseFolders = new SelectionSpec();
    recurseFolders.setName("folder2childEntity");

    TraversalSpec folder2childEntity = new TraversalSpec();
    folder2childEntity.setType("Folder");
    folder2childEntity.setPath("childEntity");
    folder2childEntity.setName(recurseFolders.getName());
    folder2childEntity.getSelectSet().add(recurseFolders);
    dc2VmFolderTraversal.getSelectSet().add(folder2childEntity);

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(dc2VmFolderTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    return _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);
}
 

public List<ObjectContent> getHostPropertiesOnDatacenterHostFolder(String[] propertyPaths) throws Exception {
    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("HostSystem");
    pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

    TraversalSpec computeResource2HostTraversal = new TraversalSpec();
    computeResource2HostTraversal.setType("ComputeResource");
    computeResource2HostTraversal.setPath("host");
    computeResource2HostTraversal.setName("computeResource2HostTraversal");

    SelectionSpec recurseFolders = new SelectionSpec();
    recurseFolders.setName("folder2childEntity");

    TraversalSpec folder2childEntity = new TraversalSpec();
    folder2childEntity.setType("Folder");
    folder2childEntity.setPath("childEntity");
    folder2childEntity.setName(recurseFolders.getName());
    folder2childEntity.getSelectSet().add(recurseFolders);
    folder2childEntity.getSelectSet().add(computeResource2HostTraversal);

    TraversalSpec dc2HostFolderTraversal = new TraversalSpec();
    dc2HostFolderTraversal.setType("Datacenter");
    dc2HostFolderTraversal.setPath("hostFolder");
    dc2HostFolderTraversal.setName("dc2HostFolderTraversal");
    dc2HostFolderTraversal.getSelectSet().add(folder2childEntity);

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(dc2HostFolderTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    return _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

}
 

@Override
public ObjectContent[] getVmPropertiesOnHyperHost(String[] propertyPaths) throws Exception {
    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() for VM properties. target MOR: " + _mor.getValue() + ", properties: " + new Gson().toJson(propertyPaths));

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("VirtualMachine");
    pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

    TraversalSpec host2VmFolderTraversal = new TraversalSpec();
    host2VmFolderTraversal.setType("HostSystem");
    host2VmFolderTraversal.setPath("vm");
    host2VmFolderTraversal.setName("host2VmFolderTraversal");

    TraversalSpec cluster2HostFolderTraversal = new TraversalSpec();
    cluster2HostFolderTraversal.setType("ClusterComputeResource");
    cluster2HostFolderTraversal.setPath("host");
    cluster2HostFolderTraversal.setName("cluster2HostFolderTraversal");
    cluster2HostFolderTraversal.getSelectSet().add(host2VmFolderTraversal);

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(getMor());
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(cluster2HostFolderTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> properties = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() done");
    return properties.toArray(new ObjectContent[properties.size()]);
}
 

@Override
public ObjectContent[] getVmPropertiesOnHyperHost(String[] propertyPaths) throws Exception {
    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() for VM properties. target MOR: " + _mor.getValue() + ", properties: " +
                new Gson().toJson(propertyPaths));

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("VirtualMachine");
    pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

    TraversalSpec host2VmTraversal = new TraversalSpec();
    host2VmTraversal.setType("HostSystem");
    host2VmTraversal.setPath("vm");
    host2VmTraversal.setName("host2VmTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(host2VmTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> properties = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() done");
    return properties.toArray(new ObjectContent[properties.size()]);
}
 

public ManagedObjectReference getNetworkMor(String portGroupName) throws Exception {
    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Network");
    pSpec.getPathSet().add("summary.name");

    TraversalSpec host2NetworkTraversal = new TraversalSpec();
    host2NetworkTraversal.setType("HostSystem");
    host2NetworkTraversal.setPath("network");
    host2NetworkTraversal.setName("host2NetworkTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(host2NetworkTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (ocs != null) {
        for (ObjectContent oc : ocs) {
            List<DynamicProperty> props = oc.getPropSet();
            if (props != null) {
                for (DynamicProperty prop : props) {
                    if (prop.getVal().equals(portGroupName))
                        return oc.getObj();
                }
            }
        }
    }
    return null;
}
 

@Override
public ObjectContent[] getDatastorePropertiesOnHyperHost(String[] propertyPaths) throws Exception {
    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() on Datastore properties. target MOR: " + _mor.getValue() + ", properties: " + new Gson().toJson(propertyPaths));

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Datastore");
    pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

    TraversalSpec cluster2DatastoreTraversal = new TraversalSpec();
    cluster2DatastoreTraversal.setType("ClusterComputeResource");
    cluster2DatastoreTraversal.setPath("datastore");
    cluster2DatastoreTraversal.setName("cluster2DatastoreTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(cluster2DatastoreTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> properties = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() done");
    return properties.toArray(new ObjectContent[properties.size()]);
}
 

/**
 * @return An array of SelectionSpec covering Datacenter to DatastoreFolder.
 */
private static SelectionSpec[] buildTraversal() {

    // For Folder -> Folder recursion
    SelectionSpec sspecvfolders = new SelectionSpec();
    sspecvfolders.setName("VisitFolders");

    TraversalSpec dcToDf = new TraversalSpec();
    dcToDf.setType("Datacenter");
    dcToDf.setSkip(Boolean.FALSE);
    dcToDf.setPath("datastoreFolder");
    dcToDf.setName("dcToDf");
    dcToDf.getSelectSet().add(sspecvfolders);

    // DC -> DS
    TraversalSpec dcToDs = new TraversalSpec();
    dcToDs.setType("Datacenter");
    dcToDs.setPath("datastore");
    dcToDs.setName("dcToDs");
    dcToDs.setSkip(Boolean.FALSE);

    TraversalSpec visitFolders = new TraversalSpec();
    visitFolders.setType("Folder");
    visitFolders.setPath("childEntity");
    visitFolders.setSkip(Boolean.FALSE);
    visitFolders.setName("VisitFolders");

    List<SelectionSpec> sspecarrvf = new ArrayList<SelectionSpec>();
    sspecarrvf.add(dcToDs);
    sspecarrvf.add(dcToDf);
    sspecarrvf.add(sspecvfolders);

    visitFolders.getSelectSet().addAll(sspecarrvf);
    return new SelectionSpec[] { visitFolders };
}
 

public ObjectContent[] getHostPropertiesOnCluster(String[] propertyPaths) throws Exception {
    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() on Host properties. target MOR: " + _mor.getValue() + ", properties: " + new Gson().toJson(propertyPaths));

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("HostSystem");
    pSpec.getPathSet().addAll(Arrays.asList(propertyPaths));

    TraversalSpec cluster2HostTraversal = new TraversalSpec();
    cluster2HostTraversal.setType("ClusterComputeResource");
    cluster2HostTraversal.setPath("host");
    cluster2HostTraversal.setName("cluster2HostTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(cluster2HostTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);

    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> properties = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (s_logger.isTraceEnabled())
        s_logger.trace("vCenter API trace - retrieveProperties() done");
    return properties.toArray(new ObjectContent[properties.size()]);
}
 

private static TraversalSpec getVMTraversalSpec() {
    // Create a TraversalSpec that starts from the 'root' objects
    // and traverses the inventory tree to get to the VirtualMachines.
    // Build the traversal specs bottoms up

    // TraversalSpec to get to the VM in a vApp
    TraversalSpec vAppToVM = new TraversalSpec();

    vAppToVM.setName("vAppToVM");
    vAppToVM.setType("VirtualApp");
    vAppToVM.setPath("vm");

    // TraversalSpec for vApp to vApp
    TraversalSpec vAppToVApp = new TraversalSpec();

    vAppToVApp.setName("vAppToVApp");
    vAppToVApp.setType("VirtualApp");
    vAppToVApp.setPath("resourcePool");

    // SelectionSpec for vApp-to-vApp recursion
    SelectionSpec vAppRecursion = new SelectionSpec();

    vAppRecursion.setName("vAppToVApp");

    // SelectionSpec to get to a VM in the vApp
    SelectionSpec vmInVApp = new SelectionSpec();

    vmInVApp.setName("vAppToVM");

    // SelectionSpec for both vApp to vApp and vApp to VM
    List<SelectionSpec> vAppToVMSS = new ArrayList<>();

    vAppToVMSS.add(vAppRecursion);
    vAppToVMSS.add(vmInVApp);

    vAppToVApp.getSelectSet().addAll(vAppToVMSS);

    // This SelectionSpec is used for recursion for Folder recursion
    SelectionSpec sSpec = new SelectionSpec();

    sSpec.setName("VisitFolders");

    // Traversal to get to the vmFolder from DataCenter
    TraversalSpec dataCenterToVMFolder = new TraversalSpec();

    dataCenterToVMFolder.setName("DataCenterToVMFolder");
    dataCenterToVMFolder.setType("Datacenter");
    dataCenterToVMFolder.setPath("vmFolder");
    dataCenterToVMFolder.setSkip(false);

    dataCenterToVMFolder.getSelectSet().add(sSpec);

    // TraversalSpec to get to the DataCenter from rootFolder
    TraversalSpec traversalSpec = new TraversalSpec();

    traversalSpec.setName("VisitFolders");
    traversalSpec.setType("Folder");
    traversalSpec.setPath("childEntity");
    traversalSpec.setSkip(false);

    List<SelectionSpec> sSpecArr = new ArrayList<>();

    sSpecArr.add(sSpec);
    sSpecArr.add(dataCenterToVMFolder);
    sSpecArr.add(vAppToVM);
    sSpecArr.add(vAppToVApp);

    traversalSpec.getSelectSet().addAll(sSpecArr);

    return traversalSpec;
}
 

public static Map<String, ManagedObjectReference> getVms(VMwareConnection connection) throws Exception {
    Map<String, ManagedObjectReference> nameToVm = new HashMap<>();

    ManagedObjectReference rootFolder = connection.getServiceContent().getRootFolder();

    TraversalSpec tSpec = getVMTraversalSpec();

    PropertySpec propertySpec = new PropertySpec();

    propertySpec.setAll(Boolean.FALSE);
    propertySpec.getPathSet().add("name");
    propertySpec.setType("VirtualMachine");

    ObjectSpec objectSpec = new ObjectSpec();

    objectSpec.setObj(rootFolder);
    objectSpec.setSkip(Boolean.TRUE);
    objectSpec.getSelectSet().add(tSpec);

    PropertyFilterSpec propertyFilterSpec = new PropertyFilterSpec();

    propertyFilterSpec.getPropSet().add(propertySpec);
    propertyFilterSpec.getObjectSet().add(objectSpec);

    List<PropertyFilterSpec> lstPfs = new ArrayList<>(1);

    lstPfs.add(propertyFilterSpec);

    VimPortType vimPortType = connection.getVimPortType();
    ManagedObjectReference propertyCollector = connection.getServiceContent().getPropertyCollector();

    List<ObjectContent> lstObjectContent = retrievePropertiesAllObjects(lstPfs, vimPortType, propertyCollector);

    if (lstObjectContent != null) {
        for (ObjectContent oc : lstObjectContent) {
            ManagedObjectReference mor = oc.getObj();
            List<DynamicProperty> dps = oc.getPropSet();
            String vmName = null;

            if (dps != null) {
                for (DynamicProperty dp : dps) {
                    vmName = (String)dp.getVal();
                }
            }

            if (vmName != null) {
                nameToVm.put(vmName, mor);
            }
        }
    }

    return nameToVm;
}
 

/**
 * Retrieves the cluster managed object reference for the specified cluster
 * name using the vim port type.
 *
 * @param vimPortType
 *
 * @param serviceContent
 *            {@link ServiceContent}
 * @param clusterName
 *            name of the cluster to be searched for.
 * @return {@link ManagedObjectReference}
 * @throws InvalidPropertyFaultMsg
 * @throws RuntimeFaultFaultMsg
 * @throws NotFoundFaultMsg
 */
public static ManagedObjectReference getCluster(VimPortType vimPortType,
        ServiceContent serviceContent, String clusterName)
        throws InvalidPropertyFaultMsg, RuntimeFaultFaultMsg,
        NotFoundFaultMsg {

    // Spec to allow recursion on the Folder to Folder traversal
    SelectionSpec folderToFolderSelection = new SelectionSpec();
    folderToFolderSelection.setName("folderToFolder");

    SelectionSpec dcToHostFolderSelection = new SelectionSpec();
    dcToHostFolderSelection.setName("dcToHostFolder");

    // spec to traverse from Datacenter to hostFolder
    TraversalSpec dcToHostFolderTraversal = new TraversalSpec();
    dcToHostFolderTraversal.setName("dcToHostFolder");
    dcToHostFolderTraversal.setPath("hostFolder");
    dcToHostFolderTraversal.setType("Datacenter");
    dcToHostFolderTraversal.getSelectSet().addAll(
            Arrays.asList(new SelectionSpec[] { folderToFolderSelection }));
    dcToHostFolderTraversal.setSkip(false);

    // spec to traverse from Folder to a child folder
    TraversalSpec folderToFolderTraversal = new TraversalSpec();
    folderToFolderTraversal.setName("folderToFolder");
    folderToFolderTraversal.setPath("childEntity");
    folderToFolderTraversal.setType("Folder");
    folderToFolderTraversal.getSelectSet()
            .addAll(Arrays.asList(new SelectionSpec[] {
                folderToFolderSelection, dcToHostFolderSelection }));
    folderToFolderTraversal.setSkip(false);

    PropertySpec propertySpec = new PropertySpec();
    propertySpec.getPathSet()
            .addAll(Arrays.asList(new String[] { "name" }));
    propertySpec.setType("ClusterComputeResource");

    ObjectSpec objectSpec = new ObjectSpec();
    objectSpec.setObj(serviceContent.getRootFolder());
    objectSpec.getSelectSet().addAll(Arrays.asList(new SelectionSpec[] {
        folderToFolderTraversal, dcToHostFolderTraversal }));
    objectSpec.setSkip(false);

    // Create PropertyFilterSpec using the PropertySpec and ObjectPec
    PropertyFilterSpec propertyFilterSpec = new PropertyFilterSpec();
    propertyFilterSpec.getPropSet()
            .addAll(Arrays.asList(new PropertySpec[] { propertySpec }));
    propertyFilterSpec.getObjectSet()
            .addAll(Arrays.asList(new ObjectSpec[] { objectSpec }));

    ManagedObjectReference morPropertyCollector = serviceContent
            .getPropertyCollector();
    List<ObjectContent> objectContents = vimPortType.retrieveProperties(
            morPropertyCollector,
            Arrays.asList(new PropertyFilterSpec[] { propertyFilterSpec }));

    for (ObjectContent objectContent : objectContents) {
        ManagedObjectReference clusterManagedObjectReference = objectContent
                .getObj();
        List<DynamicProperty> dynamicProperties = objectContent
                .getPropSet();
        for (DynamicProperty dynamicProperty : dynamicProperties) {
            if (dynamicProperty.getName().equalsIgnoreCase("name")) {
                if (dynamicProperty.getVal().toString()
                        .equalsIgnoreCase(clusterName)) {
                    return clusterManagedObjectReference;
                }
            }
        }
    }
    throw new NotFoundFaultMsg("Cluster Not Found - " + clusterName,
            new NotFound());
}
 

public List<NetworkDetails> getNetworksWithDetails() throws Exception {
    List<NetworkDetails> networks = new ArrayList<NetworkDetails>();

    int gcTagKey = getCustomFieldKey("Network", CustomFieldConstants.CLOUD_GC);

    if (gcTagKey == 0) {
        gcTagKey = getCustomFieldKey("DistributedVirtualPortgroup", CustomFieldConstants.CLOUD_GC_DVP);
        s_logger.debug("The custom key for dvPortGroup is : " + gcTagKey);
    }

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Network");
    pSpec.getPathSet().add("name");
    pSpec.getPathSet().add("vm");
    pSpec.getPathSet().add(String.format("value[%d]", gcTagKey));

    TraversalSpec vm2NetworkTraversal = new TraversalSpec();
    vm2NetworkTraversal.setType("VirtualMachine");
    vm2NetworkTraversal.setPath("network");
    vm2NetworkTraversal.setName("vm2NetworkTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(vm2NetworkTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (ocs != null && ocs.size() > 0) {
        for (ObjectContent oc : ocs) {
            ArrayOfManagedObjectReference morVms = null;
            String gcTagValue = null;
            String name = null;

            for (DynamicProperty prop : oc.getPropSet()) {
                if (prop.getName().equals("name"))
                    name = prop.getVal().toString();
                else if (prop.getName().equals("vm"))
                    morVms = (ArrayOfManagedObjectReference)prop.getVal();
                else if (prop.getName().startsWith("value[")) {
                    CustomFieldStringValue val = (CustomFieldStringValue)prop.getVal();
                    if (val != null)
                        gcTagValue = val.getValue();
                }
            }

            NetworkDetails details =
                    new NetworkDetails(name, oc.getObj(), (morVms != null ? morVms.getManagedObjectReference().toArray(
                            new ManagedObjectReference[morVms.getManagedObjectReference().size()]) : null), gcTagValue);

            networks.add(details);
        }
        s_logger.debug("Retrieved " + networks.size() + " networks with key : " + gcTagKey);
    }

    return networks;
}
 

public DVPortgroupConfigInfo getDvPortGroupSpec(String dvPortGroupName) throws Exception {
    DVPortgroupConfigInfo configSpec = null;
    String nameProperty = null;
    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("DistributedVirtualPortgroup");
    pSpec.getPathSet().add("name");
    pSpec.getPathSet().add("config");

    TraversalSpec datacenter2DvPortGroupTraversal = new TraversalSpec();
    datacenter2DvPortGroupTraversal.setType("Datacenter");
    datacenter2DvPortGroupTraversal.setPath("network");
    datacenter2DvPortGroupTraversal.setName("datacenter2DvPortgroupTraversal");

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(_mor);
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(datacenter2DvPortGroupTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<PropertyFilterSpec>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    if (ocs != null) {
        for (ObjectContent oc : ocs) {
            List<DynamicProperty> props = oc.getPropSet();
            if (props != null) {
                assert (props.size() == 2);
                for (DynamicProperty prop : props) {
                    if (prop.getName().equals("config")) {
                        configSpec = (DVPortgroupConfigInfo)prop.getVal();
                    } else {
                        nameProperty = prop.getVal().toString();
                    }
                }
                if (nameProperty.equalsIgnoreCase(dvPortGroupName)) {
                    return configSpec;
                }
            }
        }
    }
    return null;
}
 

public Pair<DatacenterMO, String> getOwnerDatacenter() throws Exception {
    if (_ownerDc != null)
        return _ownerDc;

    PropertySpec pSpec = new PropertySpec();
    pSpec.setType("Datacenter");
    pSpec.getPathSet().add("name");

    TraversalSpec folderParentTraversal = new TraversalSpec();
    folderParentTraversal.setType("Folder");
    folderParentTraversal.setPath("parent");
    folderParentTraversal.setName("folderParentTraversal");
    SelectionSpec sSpec = new SelectionSpec();
    sSpec.setName("folderParentTraversal");
    folderParentTraversal.getSelectSet().add(sSpec);

    TraversalSpec dsParentTraversal = new TraversalSpec();
    dsParentTraversal.setType("Datastore");
    dsParentTraversal.setPath("parent");
    dsParentTraversal.setName("dsParentTraversal");
    dsParentTraversal.getSelectSet().add(folderParentTraversal);

    ObjectSpec oSpec = new ObjectSpec();
    oSpec.setObj(getMor());
    oSpec.setSkip(Boolean.TRUE);
    oSpec.getSelectSet().add(dsParentTraversal);

    PropertyFilterSpec pfSpec = new PropertyFilterSpec();
    pfSpec.getPropSet().add(pSpec);
    pfSpec.getObjectSet().add(oSpec);
    List<PropertyFilterSpec> pfSpecArr = new ArrayList<>();
    pfSpecArr.add(pfSpec);

    List<ObjectContent> ocs = _context.getService().retrieveProperties(_context.getPropertyCollector(), pfSpecArr);

    assert (ocs != null && ocs.size() > 0);
    assert (ocs.get(0).getObj() != null);
    assert (ocs.get(0).getPropSet() != null);
    String dcName = ocs.get(0).getPropSet().get(0).getVal().toString();
    _ownerDc = new Pair<>(new DatacenterMO(_context, ocs.get(0).getObj()), dcName);
    return _ownerDc;
}
 

/**
 * Returns all the managed object references of the specified type that are
 * present under the container.
 *
 * @param folder
 *            {@link ManagedObjectReference} of the container to begin the
 *            search from
 * @param morefType
 *            type of the managed entity that needs to be searched
 *
 * @return map of name and MoRef of the managed objects present. May be
 *         empty but not <code>null</code>
 *
 * @throws InvalidPropertyFaultMsg
 * @throws RuntimeFaultFaultMsg
 */
public Map<String, ManagedObjectReference> getMoRefsInContainerByType(
        ManagedObjectReference folder, String morefType)
        throws InvalidPropertyFaultMsg, RuntimeFaultFaultMsg {

    String PROP_ME_NAME = "name";
    ManagedObjectReference viewManager = serviceContent.getViewManager();
    ManagedObjectReference containerView = vimPort.createContainerView(
            viewManager, folder, Arrays.asList(morefType), true);

    Map<String, ManagedObjectReference> tgtMoref = new HashMap<String, ManagedObjectReference>();

    PropertySpec propertySpec = new PropertySpec();
    propertySpec.setAll(Boolean.FALSE);
    propertySpec.setType(morefType);
    propertySpec.getPathSet().add(PROP_ME_NAME);

    TraversalSpec ts = new TraversalSpec();
    ts.setName("view");
    ts.setPath("view");
    ts.setSkip(Boolean.FALSE);
    ts.setType("ContainerView");

    ObjectSpec objectSpec = new ObjectSpec();
    objectSpec.setObj(containerView);
    objectSpec.setSkip(Boolean.TRUE);
    objectSpec.getSelectSet().add(ts);

    PropertyFilterSpec propertyFilterSpec = new PropertyFilterSpec();
    propertyFilterSpec.getPropSet().add(propertySpec);
    propertyFilterSpec.getObjectSet().add(objectSpec);

    List<PropertyFilterSpec> propertyFilterSpecs = new ArrayList<PropertyFilterSpec>();
    propertyFilterSpecs.add(propertyFilterSpec);

    RetrieveResult rslts = vimPort.retrievePropertiesEx(
            serviceContent.getPropertyCollector(), propertyFilterSpecs,
            new RetrieveOptions());

    List<ObjectContent> listobjcontent = new ArrayList<ObjectContent>();
    if (rslts != null && rslts.getObjects() != null
            && !rslts.getObjects().isEmpty()) {
        listobjcontent.addAll(rslts.getObjects());
    }
    String token = null;
    if (rslts != null && rslts.getToken() != null) {
        token = rslts.getToken();
    }
    while (token != null && token.length() > 0) {
        rslts = vimPort.continueRetrievePropertiesEx(
                serviceContent.getPropertyCollector(), token);
        token = null;
        if (rslts != null) {
            token = rslts.getToken();
            if (rslts.getObjects() != null
                    && !rslts.getObjects().isEmpty()) {
                listobjcontent.addAll(rslts.getObjects());
            }
        }
    }
    for (ObjectContent oc : listobjcontent) {
        ManagedObjectReference mr = oc.getObj();
        String entityNm = null;
        List<DynamicProperty> dps = oc.getPropSet();
        if (dps != null) {
            for (DynamicProperty dp : dps) {
                entityNm = (String) dp.getVal();
            }
        }
        tgtMoref.put(entityNm, mr);
    }
    return tgtMoref;
}
 

/**
 * Gets the VM TraversalSpec.
 *
 * @return the VM TraversalSpec
 */
private static TraversalSpec getVMTraversalSpec() {
    TraversalSpec vAppToVM = new TraversalSpec();
    vAppToVM.setName("vAppToVM");
    vAppToVM.setType("VirtualApp");
    vAppToVM.setPath("vm");

    TraversalSpec vAppToVApp = new TraversalSpec();
    vAppToVApp.setName("vAppToVApp");
    vAppToVApp.setType("VirtualApp");
    vAppToVApp.setPath("resourcePool");

    SelectionSpec vAppRecursion = new SelectionSpec();
    vAppRecursion.setName("vAppToVApp");

    SelectionSpec vmInVApp = new SelectionSpec();
    vmInVApp.setName("vAppToVM");

    List<SelectionSpec> vAppToVMSS = new ArrayList<SelectionSpec>();
    vAppToVMSS.add(vAppRecursion);
    vAppToVMSS.add(vmInVApp);
    vAppToVApp.getSelectSet().addAll(vAppToVMSS);

    SelectionSpec sSpec = new SelectionSpec();
    sSpec.setName("VisitFolders");

    TraversalSpec dataCenterToVMFolder = new TraversalSpec();
    dataCenterToVMFolder.setName("DataCenterToVMFolder");
    dataCenterToVMFolder.setType("Datacenter");
    dataCenterToVMFolder.setPath("vmFolder");
    dataCenterToVMFolder.setSkip(false);
    dataCenterToVMFolder.getSelectSet().add(sSpec);

    TraversalSpec traversalSpec = new TraversalSpec();
    traversalSpec.setName("VisitFolders");
    traversalSpec.setType("Folder");
    traversalSpec.setPath("childEntity");
    traversalSpec.setSkip(false);
    List<SelectionSpec> sSpecArr = new ArrayList<SelectionSpec>();
    sSpecArr.add(sSpec);
    sSpecArr.add(dataCenterToVMFolder);
    sSpecArr.add(vAppToVM);
    sSpecArr.add(vAppToVApp);
    traversalSpec.getSelectSet().addAll(sSpecArr);
    return traversalSpec;
}
 

/**
 * Retrieves the vm managed object reference for the specified vm name using
 * the vim port type.
 *
 * @param vimPortType
 * @param serviceContent
 * @param vmname
 * @return
 * @throws NotFoundFaultMsg
 * @throws RuntimeFaultFaultMsg
 * @throws InvalidPropertyFaultMsg
 */
public static ManagedObjectReference getVM(VimPortType vimPortType,
        ServiceContent serviceContent, String vmname)
        throws NotFoundFaultMsg, InvalidPropertyFaultMsg,
        RuntimeFaultFaultMsg {
    ManagedObjectReference propCollectorRef = serviceContent
            .getPropertyCollector();
    ManagedObjectReference rootFolderRef = serviceContent.getRootFolder();

    ManagedObjectReference retVmRef = null;
    TraversalSpec tSpec = getVMTraversalSpec();

    PropertySpec propertySpec = new PropertySpec();
    propertySpec.setAll(Boolean.FALSE);
    propertySpec.getPathSet().add("name");
    propertySpec.setType("VirtualMachine");

    ObjectSpec objectSpec = new ObjectSpec();
    objectSpec.setObj(rootFolderRef);
    objectSpec.setSkip(Boolean.TRUE);
    objectSpec.getSelectSet().add(tSpec);

    PropertyFilterSpec propertyFilterSpec = new PropertyFilterSpec();
    propertyFilterSpec.getPropSet().add(propertySpec);
    propertyFilterSpec.getObjectSet().add(objectSpec);

    List<PropertyFilterSpec> listpfs = new ArrayList<PropertyFilterSpec>(1);
    listpfs.add(propertyFilterSpec);
    List<ObjectContent> listobjcont = retrievePropertiesAllObjects(
            vimPortType, propCollectorRef, listpfs);

    if (listobjcont != null) {
        for (ObjectContent oc : listobjcont) {
            ManagedObjectReference mr = oc.getObj();
            String vmnm = null;
            List<DynamicProperty> dps = oc.getPropSet();
            if (dps != null) {
                for (DynamicProperty dp : dps) {
                    vmnm = (String) dp.getVal();
                }
            }
            if (vmnm != null && vmnm.equals(vmname)) {
                retVmRef = mr;
                break;
            }
        }
    }
    if (retVmRef == null) {
        throw new NotFoundFaultMsg("VM Not Found - " + vmname,
                new NotFound());
    }
    return retVmRef;
}
 

/**
 * Retrieves the list of hosts of the given cluster.
 *
 * @param vimPort
 *            vimPort
 * @param serviceContent
 *            serviceContent
 * @param cluster
 *            cluster
 * @return the list of hosts of the clusters
 * @throws InvalidPropertyFaultMsg
 * @throws RuntimeFaultFaultMsg
 */
public static List<ManagedObjectReference> getHosts(VimPortType vimPort,
        ServiceContent serviceContent, ManagedObjectReference cluster)
        throws InvalidPropertyFaultMsg, RuntimeFaultFaultMsg {
    PropertySpec hostPropSpec = new PropertySpec();
    hostPropSpec.setType("HostSystem");
    hostPropSpec.setAll(false);
    hostPropSpec.getPathSet().addAll(Collections.<String>emptyList());

    TraversalSpec hostTSpec = new TraversalSpec();
    hostTSpec.setType("ComputeResource");
    hostTSpec.setPath("host");
    hostTSpec.setName("hosts");

    final SelectionSpec selectionSpec = new SelectionSpec();
    selectionSpec.setName(hostTSpec.getName());

    hostTSpec.getSelectSet().add(selectionSpec);

    List<ObjectSpec> ospecList = new ArrayList<>();
    ObjectSpec ospec = new ObjectSpec();
    ospec.setObj(cluster);
    ospec.setSkip(true);
    ospec.getSelectSet().addAll(Arrays.asList(hostTSpec));
    ospecList.add(ospec);

    PropertyFilterSpec propertyFilterSpec = new PropertyFilterSpec();
    propertyFilterSpec.getPropSet().addAll(Arrays.asList(hostPropSpec));
    propertyFilterSpec.getObjectSet().addAll(ospecList);

    List<PropertyFilterSpec> listpfs = new ArrayList<>(1);
    listpfs.add(propertyFilterSpec);
    List<ObjectContent> listObjContent = VimUtil
            .retrievePropertiesAllObjects(vimPort,
                    serviceContent.getPropertyCollector(), listpfs);

    List<ManagedObjectReference> hosts = new ArrayList<>();

    if (listObjContent != null) {
        for (ObjectContent oc : listObjContent) {
            hosts.add(oc.getObj());
        }
    }
    return hosts;
}