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| author | Wink Saville <wink@google.com> | 2014-03-21 17:08:30 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2014-03-21 17:08:31 +0000 |
| commit | ddc98d6dd0800d180454b40ac9cc80f61cc53c21 (patch) | |
| tree | 86ca269ba05f0c7b2faf133caa8a0a267b937c76 /java/README.txt | |
| parent | 3a2109246f0223ad6f14bc986b46453eb51aaadb (diff) | |
| parent | 5090f19ea7f56a5ceb27a8872a659479282e6871 (diff) | |
| download | protobuf-ddc98d6dd0800d180454b40ac9cc80f61cc53c21.tar.gz protobuf-ddc98d6dd0800d180454b40ac9cc80f61cc53c21.tar.bz2 protobuf-ddc98d6dd0800d180454b40ac9cc80f61cc53c21.zip | |
Merge "Don't reset cachedSize to 0 in getSerializedSize"
Diffstat (limited to 'java/README.txt')
| -rw-r--r-- | java/README.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/java/README.txt b/java/README.txt index 13865f6d..f958d147 100644 --- a/java/README.txt +++ b/java/README.txt @@ -437,6 +437,15 @@ and the runtime overhead. An overview of Nano features: MessageNano. - The 'bytes' type translates to the Java type byte[]. +The generated messages are not thread-safe for writes, but may be +used simultaneously from multiple threads in a read-only manner. +In other words, an appropriate synchronization mechanism (such as +a ReadWriteLock) must be used to ensure that a message, its +ancestors, and descendants are not accessed by any other threads +while the message is being modified. Field reads, getter methods, +toByteArray(...), writeTo(...), getCachedSize(), and +getSerializedSize() are all considered read-only operations. + IMPORTANT: If you have fields with defaults and opt out of accessors How fields with defaults are serialized has changed. Because we don't |