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author | Anonymous <no-reply@google.com> | 2021-07-07 14:01:06 -0700 |
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committer | Jeff Davidson <jpd@google.com> | 2021-07-07 23:09:19 +0000 |
commit | 212e7004acfdce76c900fd97070e2e5e8476be20 (patch) | |
tree | cf5d56ccdb862fd9676c855f919408ef940bc019 /core/src/main/java/com/android/volley/DefaultRetryPolicy.java | |
parent | b47af415ba74754b442c1f9f3960b29537d07e6e (diff) | |
download | volley-212e7004acfdce76c900fd97070e2e5e8476be20.tar.gz |
Import of Volley from GitHub to AOSP.android-s-beta-5android-s-beta-4android-s-beta-3android-s-beta-5android-s-beta-4
Android.bp has been updated to account for the new source directory structure.
- 0dc50bcfd021c204a9e6c9e7e6befbdfa1027247 Refactor Volley into a multi-module project. (#418) by Jeff Davidson <jpd@google.com>
- 763c86b0bc9f66a8bb499f6a8b7fd3bdc87621a8 Remove new constructors from JsonRequests which are break... by Jeff Davidson <jpd@google.com>
- 8d1b1a59e7cd1b1d3c6d8686f8831cea08f80d1f Add @NonNull annotations to Volley (#413) by Kamal Faraj <kfaraj.dev@gmail.com>
- 5ba41f8670413973f587e435598f9f1724fa26e9 Allow sending any JSON with JsonArrayRequest & JsonObject... by Paul Smith <paulsmithkc@gmail.com>
- 784cdd755392a6080e5eb0bf94bd7bf4ea31cf17 Update SNAPSHOT version after 1.2.0 release by Jeff Davidson <jpd@google.com>
- 0d6497bab417a5f78b3c8e03ea157ada0fbfbc5d Add developers stanza to Volley POM. (#400) by Jeff Davidson <jpd@google.com>
- 36274bf515a699ae5a7fe3d321206d1b803226d8 API cleanup for Async Volley stack ahead of 1.2.0 release... by Jeff Davidson <jpd@google.com>
- 03f0144843fcf9ebafe512647c1c588975429452 Update environment variable name for snapshot pushes. (#3... by Jeff Davidson <jpd@google.com>
- 3bd1975652687d2baa1b11a7f02b135edede8523 Publish SNAPSHOT builds to OSSRH instead of OJO. (#397) by Jeff Davidson <jpd@google.com>
- 0e0c3d9cfa694f8f1400a9e9abc4bc11761fdb52 Invoke RetryPolicy#retry in the blocking executor. (#393) by Jeff Davidson <jpd@google.com>
- b51831a48f06ad28f627c3624e5edb41598a2bf8 Use a consistent timebase when evaluating soft/hard TTLs.... by Jeff Davidson <jpd@google.com>
- cd0839113b100f163df1ebd04ce6d5b9e36e9863 Migrate from Travis CI to GitHub Actions. (#381) by Jeff Davidson <jpd@google.com>
- bdc0e393199ebf9e67c4e29e665252818eed4639 Clean up cache initialization in AsyncRequestQueue. (#380) by Jeff Davidson <jpd@google.com>
- 1c0ade36edde15d02844b40351ab6f80c63b71b3 Actually allow applications to provide custom executors. by Jeff Davidson <jpd@google.com>
GitOrigin-RevId: 0dc50bcfd021c204a9e6c9e7e6befbdfa1027247
Change-Id: I4b8e4098ad5c349cb83efc867273fac1d3582a34
Diffstat (limited to 'core/src/main/java/com/android/volley/DefaultRetryPolicy.java')
-rw-r--r-- | core/src/main/java/com/android/volley/DefaultRetryPolicy.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/core/src/main/java/com/android/volley/DefaultRetryPolicy.java b/core/src/main/java/com/android/volley/DefaultRetryPolicy.java new file mode 100644 index 0000000..4be6b50 --- /dev/null +++ b/core/src/main/java/com/android/volley/DefaultRetryPolicy.java @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2011 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 com.android.volley; + +/** Default retry policy for requests. */ +public class DefaultRetryPolicy implements RetryPolicy { + /** The current timeout in milliseconds. */ + private int mCurrentTimeoutMs; + + /** The current retry count. */ + private int mCurrentRetryCount; + + /** The maximum number of attempts. */ + private final int mMaxNumRetries; + + /** The backoff multiplier for the policy. */ + private final float mBackoffMultiplier; + + /** The default socket timeout in milliseconds */ + public static final int DEFAULT_TIMEOUT_MS = 2500; + + /** The default number of retries */ + public static final int DEFAULT_MAX_RETRIES = 1; + + /** The default backoff multiplier */ + public static final float DEFAULT_BACKOFF_MULT = 1f; + + /** Constructs a new retry policy using the default timeouts. */ + public DefaultRetryPolicy() { + this(DEFAULT_TIMEOUT_MS, DEFAULT_MAX_RETRIES, DEFAULT_BACKOFF_MULT); + } + + /** + * Constructs a new retry policy. + * + * @param initialTimeoutMs The initial timeout for the policy. + * @param maxNumRetries The maximum number of retries. + * @param backoffMultiplier Backoff multiplier for the policy. + */ + public DefaultRetryPolicy(int initialTimeoutMs, int maxNumRetries, float backoffMultiplier) { + mCurrentTimeoutMs = initialTimeoutMs; + mMaxNumRetries = maxNumRetries; + mBackoffMultiplier = backoffMultiplier; + } + + /** Returns the current timeout. */ + @Override + public int getCurrentTimeout() { + return mCurrentTimeoutMs; + } + + /** Returns the current retry count. */ + @Override + public int getCurrentRetryCount() { + return mCurrentRetryCount; + } + + /** Returns the backoff multiplier for the policy. */ + public float getBackoffMultiplier() { + return mBackoffMultiplier; + } + + /** + * Prepares for the next retry by applying a backoff to the timeout. + * + * @param error The error code of the last attempt. + */ + @Override + public void retry(VolleyError error) throws VolleyError { + mCurrentRetryCount++; + mCurrentTimeoutMs += (int) (mCurrentTimeoutMs * mBackoffMultiplier); + if (!hasAttemptRemaining()) { + throw error; + } + } + + /** Returns true if this policy has attempts remaining, false otherwise. */ + protected boolean hasAttemptRemaining() { + return mCurrentRetryCount <= mMaxNumRetries; + } +} |