1 files changed, 37 insertions, 0 deletions
diff --git a/common-util/src/main/kotlin/com/google/devtools/ksp/KSObjectCacheManager.kt b/common-util/src/main/kotlin/com/google/devtools/ksp/KSObjectCacheManager.kt
new file mode 100644
index 00000000..08a8bd7f
--- /dev/null
+++ b/common-util/src/main/kotlin/com/google/devtools/ksp/KSObjectCacheManager.kt
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2020 Google LLC
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ *
+ * 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 com.google.devtools.ksp
+
+class KSObjectCacheManager {
+    companion object {
+        val caches = arrayListOf<KSObjectCache<*, *>>()
+
+        fun register(cache: KSObjectCache<*, *>) = caches.add(cache)
+        fun clear() = caches.forEach { it.clear() }
+    }
+}
+
+abstract class KSObjectCache<K, V> {
+    val cache = mutableMapOf<K, V>()
+
+    init {
+        KSObjectCacheManager.register(this)
+    }
+
+    open fun clear() = cache.clear()
+}