1 files changed, 33 insertions, 0 deletions
diff --git a/keystore/java/android/security/CheckedRemoteRequest.java b/keystore/java/android/security/CheckedRemoteRequest.java
new file mode 100644
index 000000000000..b6e7c1fa61b9
--- /dev/null
+++ b/keystore/java/android/security/CheckedRemoteRequest.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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 android.security;
+
+import android.os.RemoteException;
+
+/**
+ * This is a Producer of {@code R} that is expected to throw a {@link RemoteException}.
+ *
+ * It is used by Keystore2 service wrappers to handle and convert {@link RemoteException}
+ * and {@link android.os.ServiceSpecificException} into {@link KeyStoreException}.
+ *
+ * @hide
+ * @param <R>
+ */
+@FunctionalInterface
+interface CheckedRemoteRequest<R> {
+    R execute() throws RemoteException;
+}