2 files changed, 57 insertions, 3 deletions

diff --git a/src/orchestrator/pkg/state/state_helper.go b/src/orchestrator/pkg/state/state_helper.go
index a65cea8d..9d59fb75 100644
--- a/src/orchestrator/pkg/state/state_helper.go
+++ b/src/orchestrator/pkg/state/state_helper.go
@@ -16,14 +16,56 @@
 
 package state
 
-import "github.com/onap/multicloud-k8s/src/orchestrator/pkg/appcontext"
+import (
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/appcontext"
+	pkgerrors "github.com/pkg/errors"
+)
 
 // GetAppContextFromStateInfo loads the appcontext present in the StateInfo input
-func GetAppContextFromStateInfo(s StateInfo) (appcontext.AppContext, error) {
+func GetAppContextFromId(ctxid string) (appcontext.AppContext, error) {
 	var cc appcontext.AppContext
-	_, err := cc.LoadAppContext(s.ContextId)
+	_, err := cc.LoadAppContext(ctxid)
 	if err != nil {
 		return appcontext.AppContext{}, err
 	}
 	return cc, nil
 }
+
+// GetCurrentStateFromStatInfo gets the last (current) state from StateInfo
+func GetCurrentStateFromStateInfo(s StateInfo) (StateValue, error) {
+	alen := len(s.Actions)
+	if alen == 0 {
+		return StateEnum.Undefined, pkgerrors.Errorf("No state information")
+	}
+	return s.Actions[alen-1].State, nil
+}
+
+// GetLastContextFromStatInfo gets the last (most recent) context id from StateInfo
+func GetLastContextIdFromStateInfo(s StateInfo) string {
+	alen := len(s.Actions)
+	if alen > 0 {
+		return s.Actions[alen-1].ContextId
+	} else {
+		return ""
+	}
+}
+
+// GetContextIdsFromStatInfo return a list of the unique AppContext Ids in the StateInfo
+func GetContextIdsFromStateInfo(s StateInfo) []string {
+	m := make(map[string]string)
+
+	for _, a := range s.Actions {
+		if a.ContextId != "" {
+			m[a.ContextId] = ""
+		}
+	}
+
+	ids := make([]string, len(m))
+	i := 0
+	for k := range m {
+		ids[i] = k
+		i++
+	}
+
+	return ids
+}
diff --git a/src/orchestrator/pkg/state/types.go b/src/orchestrator/pkg/state/types.go
index 25fb60d2..665a1be4 100644
--- a/src/orchestrator/pkg/state/types.go
+++ b/src/orchestrator/pkg/state/types.go
@@ -16,16 +16,27 @@
 
 package state
 
+import "time"
+
 // StateInfo struct is used to maintain the values for state, contextid, (and other)
 // information about resources which can be instantiated via rsync.
+// The last Actions entry holds the current state of the container object.
 type StateInfo struct {
+	Actions []ActionEntry
+}
+
+// ActionEntry is used to keep track of the time an action (e.g. Created, Instantiate, Terminate) was invoked
+// For actions where an AppContext is relevent, the ContextId field will be non-zero length
+type ActionEntry struct {
 	State     StateValue
 	ContextId string
+	TimeStamp time.Time
 }
 
 type StateValue = string
 
 type states struct {
+	Undefined    StateValue
 	Created      StateValue
 	Approved     StateValue
 	Applied      StateValue
@@ -34,6 +45,7 @@ type states struct {
 }
 
 var StateEnum = &states{
+	Undefined:    "Undefined",
 	Created:      "Created",
 	Approved:     "Approved",
 	Applied:      "Applied",