diff options
Diffstat (limited to 'java/src/main/java/com/google/protobuf/nano/MessageNano.java')
| -rw-r--r-- | java/src/main/java/com/google/protobuf/nano/MessageNano.java | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/java/src/main/java/com/google/protobuf/nano/MessageNano.java b/java/src/main/java/com/google/protobuf/nano/MessageNano.java index 82dc6cc..3119c93 100644 --- a/java/src/main/java/com/google/protobuf/nano/MessageNano.java +++ b/java/src/main/java/com/google/protobuf/nano/MessageNano.java @@ -38,7 +38,7 @@ import java.io.IOException; * @author wink@google.com Wink Saville */ public abstract class MessageNano { - protected int cachedSize = -1; + protected volatile int cachedSize = -1; /** * Get the number of bytes required to encode this message. @@ -60,10 +60,19 @@ public abstract class MessageNano { * The size is cached and the cached result can be retrieved * using getCachedSize(). */ - public int getSerializedSize() { - // This is overridden if the generated message has serialized fields. - cachedSize = 0; - return 0; + public final int getSerializedSize() { + int size = computeSerializedSize(); + cachedSize = size; + return size; + } + + /** + * Computes the number of bytes required to encode this message. This does not update the + * cached size. + */ + protected int computeSerializedSize() { + // This is overridden if the generated message has serialized fields. + return 0; } /** |