1 files changed, 54 insertions, 0 deletions
diff --git a/lgc/collection.go b/lgc/collection.go
new file mode 100644
index 0000000..7560186
--- /dev/null
+++ b/lgc/collection.go
@@ -0,0 +1,54 @@
+/*
+ * This file is part of Go Responsiveness.
+ *
+ * Go Responsiveness is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software Foundation,
+ * either version 2 of the License, or (at your option) any later version.
+ * Go Responsiveness is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Go Responsiveness. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package lgc
+
+import (
+	"fmt"
+	"sync"
+)
+
+type LoadGeneratingConnectionCollection struct {
+	Lock sync.Mutex
+	LGCs *[]LoadGeneratingConnection
+}
+
+func NewLoadGeneratingConnectionCollection() LoadGeneratingConnectionCollection {
+	return LoadGeneratingConnectionCollection{LGCs: new([]LoadGeneratingConnection)}
+}
+
+func (collection *LoadGeneratingConnectionCollection) Get(idx int) (*LoadGeneratingConnection, error) {
+	if collection.Lock.TryLock() {
+		collection.Lock.Unlock()
+		return nil, fmt.Errorf("collection is unlocked")
+	}
+
+	if idx > len(*collection.LGCs) {
+		return nil, fmt.Errorf("index too large")
+	}
+	return &(*collection.LGCs)[idx], nil
+}
+
+func (collection *LoadGeneratingConnectionCollection) Append(conn LoadGeneratingConnection) error {
+	if collection.Lock.TryLock() {
+		collection.Lock.Unlock()
+		return fmt.Errorf("collection is unlocked")
+	}
+	*collection.LGCs = append(*collection.LGCs, conn)
+	return nil
+}
+
+func (collection *LoadGeneratingConnectionCollection) Len() int {
+	return len(*collection.LGCs)
+}