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Diffstat (limited to 'vendor/go.opencensus.io/trace/evictedqueue.go')
-rw-r--r--vendor/go.opencensus.io/trace/evictedqueue.go38
1 files changed, 38 insertions, 0 deletions
diff --git a/vendor/go.opencensus.io/trace/evictedqueue.go b/vendor/go.opencensus.io/trace/evictedqueue.go
new file mode 100644
index 000000000..ffc264f23
--- /dev/null
+++ b/vendor/go.opencensus.io/trace/evictedqueue.go
@@ -0,0 +1,38 @@
+// Copyright 2019, OpenCensus Authors
+//
+// 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 trace
+
+type evictedQueue struct {
+ queue []interface{}
+ capacity int
+ droppedCount int
+}
+
+func newEvictedQueue(capacity int) *evictedQueue {
+ eq := &evictedQueue{
+ capacity: capacity,
+ queue: make([]interface{}, 0),
+ }
+
+ return eq
+}
+
+func (eq *evictedQueue) add(value interface{}) {
+ if len(eq.queue) == eq.capacity {
+ eq.queue = eq.queue[1:]
+ eq.droppedCount++
+ }
+ eq.queue = append(eq.queue, value)
+}