1 files changed, 57 insertions, 0 deletions
diff --git a/core/java/android/accounts/Future2.java b/core/java/android/accounts/Future2.java
new file mode 100644
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+++ b/core/java/android/accounts/Future2.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2009 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.accounts;
+
+import android.os.Bundle;
+
+import java.io.IOException;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * An extension of {@link Future} that provides wrappers for {@link #get()} that handle the various
+ * exceptions that  {@link #get()} may return and rethrows them as exceptions specific to
+ * {@link AccountManager}.
+ */
+public interface Future2 extends Future<Bundle> {
+    /**
+     * Wrapper for {@link Future#get()}. If the get() throws {@link InterruptedException} then the
+     * {@link Future2} is canceled and {@link OperationCanceledException} is thrown.
+     * @return the {@link android.os.Bundle} that is returned by {@link Future#get()}
+     * @throws OperationCanceledException if get() throws the unchecked
+     * {@link java.util.concurrent.CancellationException} or if the {@link Future2} was interrupted.
+     * @throws IOException if the request was unable to complete due to a network error
+     * @throws AuthenticatorException if there was an error communicating with the
+     * {@link AbstractAccountAuthenticator}.
+     */
+    Bundle getResult()
+            throws OperationCanceledException, IOException, AuthenticatorException;
+
+    /**
+     * Wrapper for {@link Future#get()}. If the get() throws {@link InterruptedException} then the
+     * {@link Future2} is canceled and {@link OperationCanceledException} is thrown.
+     * @param timeout the maximum time to wait
+     * @param unit the time unit of the timeout argument
+     * @return the {@link android.os.Bundle} that is returned by {@link Future#get()}
+     * @throws OperationCanceledException if get() throws the unchecked
+     * {@link java.util.concurrent.CancellationException} or if the {@link Future2} was interrupted.
+     * @throws IOException if the request was unable to complete due to a network error
+     * @throws AuthenticatorException if there was an error communicating with the
+     * {@link AbstractAccountAuthenticator}.
+     */
+    Bundle getResult(long timeout, TimeUnit unit)
+            throws OperationCanceledException, IOException, AuthenticatorException;
+}