add vendoring with go dep

vendor/github.com/vmware/govmomi/property/collector.go

@@ -0,0 +1,201 @@
+/*
+Copyright (c) 2015 VMware, Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package property
+
+import (
+	"context"
+	"errors"
+
+	"github.com/vmware/govmomi/vim25"
+	"github.com/vmware/govmomi/vim25/methods"
+	"github.com/vmware/govmomi/vim25/mo"
+	"github.com/vmware/govmomi/vim25/soap"
+	"github.com/vmware/govmomi/vim25/types"
+)
+
+// Collector models the PropertyCollector managed object.
+//
+// For more information, see:
+// http://pubs.vmware.com/vsphere-55/index.jsp#com.vmware.wssdk.apiref.doc/vmodl.query.PropertyCollector.html
+//
+type Collector struct {
+	roundTripper soap.RoundTripper
+	reference    types.ManagedObjectReference
+}
+
+// DefaultCollector returns the session's default property collector.
+func DefaultCollector(c *vim25.Client) *Collector {
+	p := Collector{
+		roundTripper: c,
+		reference:    c.ServiceContent.PropertyCollector,
+	}
+
+	return &p
+}
+
+func (p Collector) Reference() types.ManagedObjectReference {
+	return p.reference
+}
+
+// Create creates a new session-specific Collector that can be used to
+// retrieve property updates independent of any other Collector.
+func (p *Collector) Create(ctx context.Context) (*Collector, error) {
+	req := types.CreatePropertyCollector{
+		This: p.Reference(),
+	}
+
+	res, err := methods.CreatePropertyCollector(ctx, p.roundTripper, &req)
+	if err != nil {
+		return nil, err
+	}
+
+	newp := Collector{
+		roundTripper: p.roundTripper,
+		reference:    res.Returnval,
+	}
+
+	return &newp, nil
+}
+
+// Destroy destroys this Collector.
+func (p *Collector) Destroy(ctx context.Context) error {
+	req := types.DestroyPropertyCollector{
+		This: p.Reference(),
+	}
+
+	_, err := methods.DestroyPropertyCollector(ctx, p.roundTripper, &req)
+	if err != nil {
+		return err
+	}
+
+	p.reference = types.ManagedObjectReference{}
+	return nil
+}
+
+func (p *Collector) CreateFilter(ctx context.Context, req types.CreateFilter) error {
+	req.This = p.Reference()
+
+	_, err := methods.CreateFilter(ctx, p.roundTripper, &req)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (p *Collector) WaitForUpdates(ctx context.Context, v string) (*types.UpdateSet, error) {
+	req := types.WaitForUpdatesEx{
+		This:    p.Reference(),
+		Version: v,
+	}
+
+	res, err := methods.WaitForUpdatesEx(ctx, p.roundTripper, &req)
+	if err != nil {
+		return nil, err
+	}
+
+	return res.Returnval, nil
+}
+
+func (p *Collector) RetrieveProperties(ctx context.Context, req types.RetrieveProperties) (*types.RetrievePropertiesResponse, error) {
+	req.This = p.Reference()
+	return methods.RetrieveProperties(ctx, p.roundTripper, &req)
+}
+
+// Retrieve loads properties for a slice of managed objects. The dst argument
+// must be a pointer to a []interface{}, which is populated with the instances
+// of the specified managed objects, with the relevant properties filled in. If
+// the properties slice is nil, all properties are loaded.
+func (p *Collector) Retrieve(ctx context.Context, objs []types.ManagedObjectReference, ps []string, dst interface{}) error {
+	var propSpec *types.PropertySpec
+	var objectSet []types.ObjectSpec
+
+	for _, obj := range objs {
+		// Ensure that all object reference types are the same
+		if propSpec == nil {
+			propSpec = &types.PropertySpec{
+				Type: obj.Type,
+			}
+
+			if ps == nil {
+				propSpec.All = types.NewBool(true)
+			} else {
+				propSpec.PathSet = ps
+			}
+		} else {
+			if obj.Type != propSpec.Type {
+				return errors.New("object references must have the same type")
+			}
+		}
+
+		objectSpec := types.ObjectSpec{
+			Obj:  obj,
+			Skip: types.NewBool(false),
+		}
+
+		objectSet = append(objectSet, objectSpec)
+	}
+
+	req := types.RetrieveProperties{
+		SpecSet: []types.PropertyFilterSpec{
+			{
+				ObjectSet: objectSet,
+				PropSet:   []types.PropertySpec{*propSpec},
+			},
+		},
+	}
+
+	res, err := p.RetrieveProperties(ctx, req)
+	if err != nil {
+		return err
+	}
+
+	if d, ok := dst.(*[]types.ObjectContent); ok {
+		*d = res.Returnval
+		return nil
+	}
+
+	return mo.LoadRetrievePropertiesResponse(res, dst)
+}
+
+// RetrieveWithFilter populates dst as Retrieve does, but only for entities matching the given filter.
+func (p *Collector) RetrieveWithFilter(ctx context.Context, objs []types.ManagedObjectReference, ps []string, dst interface{}, filter Filter) error {
+	if len(filter) == 0 {
+		return p.Retrieve(ctx, objs, ps, dst)
+	}
+
+	var content []types.ObjectContent
+
+	err := p.Retrieve(ctx, objs, filter.Keys(), &content)
+	if err != nil {
+		return err
+	}
+
+	objs = filter.MatchObjectContent(content)
+
+	if len(objs) == 0 {
+		return nil
+	}
+
+	return p.Retrieve(ctx, objs, ps, dst)
+}
+
+// RetrieveOne calls Retrieve with a single managed object reference.
+func (p *Collector) RetrieveOne(ctx context.Context, obj types.ManagedObjectReference, ps []string, dst interface{}) error {
+	var objs = []types.ManagedObjectReference{obj}
+	return p.Retrieve(ctx, objs, ps, dst)
+}