[VOL-5486] Upgrade library versions
Change-Id: I8b4e88699e03f44ee13e467867f45ae3f0a63c4b
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/go.opentelemetry.io/otel/attribute/iterator.go b/vendor/go.opentelemetry.io/otel/attribute/iterator.go
new file mode 100644
index 0000000..f2ba89c
--- /dev/null
+++ b/vendor/go.opentelemetry.io/otel/attribute/iterator.go
@@ -0,0 +1,150 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package attribute // import "go.opentelemetry.io/otel/attribute"
+
+// Iterator allows iterating over the set of attributes in order, sorted by
+// key.
+type Iterator struct {
+ storage *Set
+ idx int
+}
+
+// MergeIterator supports iterating over two sets of attributes while
+// eliminating duplicate values from the combined set. The first iterator
+// value takes precedence.
+type MergeIterator struct {
+ one oneIterator
+ two oneIterator
+ current KeyValue
+}
+
+type oneIterator struct {
+ iter Iterator
+ done bool
+ attr KeyValue
+}
+
+// Next moves the iterator to the next position. Returns false if there are no
+// more attributes.
+func (i *Iterator) Next() bool {
+ i.idx++
+ return i.idx < i.Len()
+}
+
+// Label returns current KeyValue. Must be called only after Next returns
+// true.
+//
+// Deprecated: Use Attribute instead.
+func (i *Iterator) Label() KeyValue {
+ return i.Attribute()
+}
+
+// Attribute returns the current KeyValue of the Iterator. It must be called
+// only after Next returns true.
+func (i *Iterator) Attribute() KeyValue {
+ kv, _ := i.storage.Get(i.idx)
+ return kv
+}
+
+// IndexedLabel returns current index and attribute. Must be called only
+// after Next returns true.
+//
+// Deprecated: Use IndexedAttribute instead.
+func (i *Iterator) IndexedLabel() (int, KeyValue) {
+ return i.idx, i.Attribute()
+}
+
+// IndexedAttribute returns current index and attribute. Must be called only
+// after Next returns true.
+func (i *Iterator) IndexedAttribute() (int, KeyValue) {
+ return i.idx, i.Attribute()
+}
+
+// Len returns a number of attributes in the iterated set.
+func (i *Iterator) Len() int {
+ return i.storage.Len()
+}
+
+// ToSlice is a convenience function that creates a slice of attributes from
+// the passed iterator. The iterator is set up to start from the beginning
+// before creating the slice.
+func (i *Iterator) ToSlice() []KeyValue {
+ l := i.Len()
+ if l == 0 {
+ return nil
+ }
+ i.idx = -1
+ slice := make([]KeyValue, 0, l)
+ for i.Next() {
+ slice = append(slice, i.Attribute())
+ }
+ return slice
+}
+
+// NewMergeIterator returns a MergeIterator for merging two attribute sets.
+// Duplicates are resolved by taking the value from the first set.
+func NewMergeIterator(s1, s2 *Set) MergeIterator {
+ mi := MergeIterator{
+ one: makeOne(s1.Iter()),
+ two: makeOne(s2.Iter()),
+ }
+ return mi
+}
+
+func makeOne(iter Iterator) oneIterator {
+ oi := oneIterator{
+ iter: iter,
+ }
+ oi.advance()
+ return oi
+}
+
+func (oi *oneIterator) advance() {
+ if oi.done = !oi.iter.Next(); !oi.done {
+ oi.attr = oi.iter.Attribute()
+ }
+}
+
+// Next returns true if there is another attribute available.
+func (m *MergeIterator) Next() bool {
+ if m.one.done && m.two.done {
+ return false
+ }
+ if m.one.done {
+ m.current = m.two.attr
+ m.two.advance()
+ return true
+ }
+ if m.two.done {
+ m.current = m.one.attr
+ m.one.advance()
+ return true
+ }
+ if m.one.attr.Key == m.two.attr.Key {
+ m.current = m.one.attr // first iterator attribute value wins
+ m.one.advance()
+ m.two.advance()
+ return true
+ }
+ if m.one.attr.Key < m.two.attr.Key {
+ m.current = m.one.attr
+ m.one.advance()
+ return true
+ }
+ m.current = m.two.attr
+ m.two.advance()
+ return true
+}
+
+// Label returns the current value after Next() returns true.
+//
+// Deprecated: Use Attribute instead.
+func (m *MergeIterator) Label() KeyValue {
+ return m.current
+}
+
+// Attribute returns the current value after Next() returns true.
+func (m *MergeIterator) Attribute() KeyValue {
+ return m.current
+}