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-rw-r--r--src/google/protobuf/any.proto56
1 files changed, 44 insertions, 12 deletions
diff --git a/src/google/protobuf/any.proto b/src/google/protobuf/any.proto
index 423699be..45db6ede 100644
--- a/src/google/protobuf/any.proto
+++ b/src/google/protobuf/any.proto
@@ -27,20 +27,50 @@
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
syntax = "proto3";
package google.protobuf;
-option java_generate_equals_and_hash = true;
-option java_multiple_files = true;
-option java_outer_classname = "AnyProto";
-option java_package = "com.google.protobuf";
option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option go_package = "github.com/golang/protobuf/ptypes/any";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "AnyProto";
+option java_multiple_files = true;
+option java_generate_equals_and_hash = true;
option objc_class_prefix = "GPB";
-
-// `Any` contains an arbitrary serialized message along with a URL
-// that describes the type of the serialized message.
+// `Any` contains an arbitrary serialized protocol buffer message along with a
+// URL that describes the type of the serialized message.
+//
+// Protobuf library provides support to pack/unpack Any values in the form
+// of utility functions or additional generated methods of the Any type.
+//
+// Example 1: Pack and unpack a message in C++.
+//
+// Foo foo = ...;
+// Any any;
+// any.PackFrom(foo);
+// ...
+// if (any.UnpackTo(&foo)) {
+// ...
+// }
+//
+// Example 2: Pack and unpack a message in Java.
+//
+// Foo foo = ...;
+// Any any = Any.pack(foo);
+// ...
+// if (any.is(Foo.class)) {
+// foo = any.unpack(Foo.class);
+// }
+//
+// The pack methods provided by protobuf library will by default use
+// 'type.googleapis.com/full.type.name' as the type URL and the unpack
+// methods only use the fully qualified type name after the last '/'
+// in the type URL, for example "foo.bar.com/x/y.z" will yield type
+// name "y.z".
+//
//
// JSON
// ====
@@ -62,8 +92,8 @@ option objc_class_prefix = "GPB";
//
// If the embedded message type is well-known and has a custom JSON
// representation, that representation will be embedded adding a field
-// `value` which holds the custom JSON in addition to the the `@type`
-// field. Example (for message [google.protobuf.Duration][google.protobuf.Duration]):
+// `value` which holds the custom JSON in addition to the `@type`
+// field. Example (for message [google.protobuf.Duration][]):
//
// {
// "@type": "type.googleapis.com/google.protobuf.Duration",
@@ -72,7 +102,7 @@ option objc_class_prefix = "GPB";
//
message Any {
// A URL/resource name whose content describes the type of the
- // serialized message.
+ // serialized protocol buffer message.
//
// For URLs which use the schema `http`, `https`, or no schema, the
// following restrictions and interpretations apply:
@@ -80,7 +110,9 @@ message Any {
// * If no schema is provided, `https` is assumed.
// * The last segment of the URL's path must represent the fully
// qualified name of the type (as in `path/google.protobuf.Duration`).
- // * An HTTP GET on the URL must yield a [google.protobuf.Type][google.protobuf.Type]
+ // The name should be in a canonical form (e.g., leading "." is
+ // not accepted).
+ // * An HTTP GET on the URL must yield a [google.protobuf.Type][]
// value in binary format, or produce an error.
// * Applications are allowed to cache lookup results based on the
// URL, or have them precompiled into a binary to avoid any
@@ -93,6 +125,6 @@ message Any {
//
string type_url = 1;
- // Must be valid serialized data of the above specified type.
+ // Must be a valid serialized protocol buffer of the above specified type.
bytes value = 2;
}