Package com.google.protobuf
Class Descriptors
java.lang.Object
com.google.protobuf.Descriptors
Contains a collection of classes which describe protocol message types.
Every message type has a Descriptors.Descriptor, which lists all its fields and other information
about a type. You can get a message type's descriptor by calling
MessageType.getDescriptor(), or (given a message object of the type)
message.getDescriptorForType(). Furthermore, each message is associated with a Descriptors.FileDescriptor for a relevant .proto file. You can obtain it by calling
Descriptor.getFile(). A Descriptors.FileDescriptor contains descriptors for all the messages defined
in that file, and file descriptors for all the imported .proto files.
Descriptors are built from DescriptorProtos, as defined in
google/protobuf/descriptor.proto.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic final classDescribes a message type.private static final classA private helper class which contains lookup tables containing all the descriptors defined in a particular file.static classThrown when building descriptors fails because the source DescriptorProtos are not valid.static final classDescribes an enum type.static final classDescribes one value within an enum type.static final classDescribes a field of a message type.static final classDescribes a.protofile, including everything defined within.static classAll descriptors implement this to make it easier to implement tools likeDescriptorPool.static final classDescribes one method within a service type.private static interfacestatic final classDescribes a oneof of a message type.static final classDescribes a service type. -
Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final Descriptors.Descriptor[]private static final Descriptors.EnumDescriptor[]private static final Descriptors.FieldDescriptor[]private static final int[]private static final Descriptors.OneofDescriptor[]private static final Descriptors.ServiceDescriptor[]private static final Logger -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprivate static <T> TbinarySearch(T[] array, int size, Descriptors.NumberGetter<T> getter, int number) private static StringcomputeFullName(Descriptors.FileDescriptor file, Descriptors.Descriptor parent, String name)
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Field Details
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logger
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EMPTY_INT_ARRAY
private static final int[] EMPTY_INT_ARRAY -
EMPTY_DESCRIPTORS
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EMPTY_FIELD_DESCRIPTORS
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EMPTY_ENUM_DESCRIPTORS
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EMPTY_SERVICE_DESCRIPTORS
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EMPTY_ONEOF_DESCRIPTORS
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Constructor Details
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Descriptors
public Descriptors()
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Method Details
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computeFullName
private static String computeFullName(Descriptors.FileDescriptor file, Descriptors.Descriptor parent, String name) -
binarySearch
private static <T> T binarySearch(T[] array, int size, Descriptors.NumberGetter<T> getter, int number)
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