com.google.protobuf
Class UnknownFieldSet

java.lang.Object
  extended by com.google.protobuf.UnknownFieldSet
All Implemented Interfaces:
MessageLite

public final class UnknownFieldSet
extends java.lang.Object
implements MessageLite

UnknownFieldSet is used to keep track of fields which were seen when parsing a protocol message but whose field numbers or types are unrecognized. This most frequently occurs when new fields are added to a message type and then messages containing those feilds are read by old software that was compiled before the new types were added.

Every Message contains an UnknownFieldSet (and every Message.Builder contains an UnknownFieldSet.Builder).

Most users will never need to use this class.

Author:
[email protected] Kenton Varda

Nested Class Summary
static class UnknownFieldSet.Builder
          Builder for UnknownFieldSets.
static class UnknownFieldSet.Field
          Represents a single field in an UnknownFieldSet.
 
Method Summary
 java.util.Map<java.lang.Integer,UnknownFieldSet.Field> asMap()
          Get a map of fields in the set by number.
 boolean equals(java.lang.Object other)
           
static UnknownFieldSet getDefaultInstance()
          Get an empty UnknownFieldSet.
 UnknownFieldSet getDefaultInstanceForType()
          Get an instance of the type with all fields set to their default values.
 UnknownFieldSet.Field getField(int number)
          Get a field by number.
 int getSerializedSize()
          Get the number of bytes required to encode this set.
 int getSerializedSizeAsMessageSet()
          Get the number of bytes required to encode this set using MessageSet wire format.
 boolean hasField(int number)
          Check if the given field number is present in the set.
 int hashCode()
           
 boolean isInitialized()
          Returns true if all required fields in the message and all embedded messages are set, false otherwise.
static UnknownFieldSet.Builder newBuilder()
          Create a new UnknownFieldSet.Builder.
static UnknownFieldSet.Builder newBuilder(UnknownFieldSet copyFrom)
          Create a new UnknownFieldSet.Builder and initialize it to be a copy of copyFrom.
 UnknownFieldSet.Builder newBuilderForType()
          Constructs a new builder for a message of the same type as this message.
static UnknownFieldSet parseFrom(byte[] data)
          Parse data as an UnknownFieldSet and return it.
static UnknownFieldSet parseFrom(ByteString data)
          Parse data as an UnknownFieldSet and return it.
static UnknownFieldSet parseFrom(CodedInputStream input)
          Parse an UnknownFieldSet from the given input stream.
static UnknownFieldSet parseFrom(java.io.InputStream input)
          Parse an UnknownFieldSet from input and return it.
 UnknownFieldSet.Builder toBuilder()
          Constructs a builder initialized with the current message.
 byte[] toByteArray()
          Serializes the message to a byte array and returns it.
 ByteString toByteString()
          Serializes the message to a ByteString and returns it.
 java.lang.String toString()
          Converts the set to a string in protocol buffer text format.
 void writeAsMessageSetTo(CodedOutputStream output)
          Serializes the set and writes it to output using MessageSet wire format.
 void writeDelimitedTo(java.io.OutputStream output)
          Like MessageLite.writeTo(OutputStream), but writes the size of the message as a varint before writing the data.
 void writeTo(CodedOutputStream output)
          Serializes the set and writes it to output.
 void writeTo(java.io.OutputStream output)
          Serializes the message and writes it to output.
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Method Detail

newBuilder

public static UnknownFieldSet.Builder newBuilder()
Create a new UnknownFieldSet.Builder.


newBuilder

public static UnknownFieldSet.Builder newBuilder(UnknownFieldSet copyFrom)
Create a new UnknownFieldSet.Builder and initialize it to be a copy of copyFrom.


getDefaultInstance

public static UnknownFieldSet getDefaultInstance()
Get an empty UnknownFieldSet.


getDefaultInstanceForType

public UnknownFieldSet getDefaultInstanceForType()
Description copied from interface: MessageLite
Get an instance of the type with all fields set to their default values. This may or may not be a singleton. This differs from the getDefaultInstance() method of generated message classes in that this method is an abstract method of the MessageLite interface whereas getDefaultInstance() is a static method of a specific class. They return the same thing.

Specified by:
getDefaultInstanceForType in interface MessageLite

equals

public boolean equals(java.lang.Object other)
Overrides:
equals in class java.lang.Object

hashCode

public int hashCode()
Overrides:
hashCode in class java.lang.Object

asMap

public java.util.Map<java.lang.Integer,UnknownFieldSet.Field> asMap()
Get a map of fields in the set by number.


hasField

public boolean hasField(int number)
Check if the given field number is present in the set.


getField

public UnknownFieldSet.Field getField(int number)
Get a field by number. Returns an empty field if not present. Never returns null.


writeTo

public void writeTo(CodedOutputStream output)
             throws java.io.IOException
Serializes the set and writes it to output.

Specified by:
writeTo in interface MessageLite
Throws:
java.io.IOException

toString

public java.lang.String toString()
Converts the set to a string in protocol buffer text format. This is just a trivial wrapper around TextFormat.printToString(UnknownFieldSet).

Overrides:
toString in class java.lang.Object

toByteString

public ByteString toByteString()
Serializes the message to a ByteString and returns it. This is just a trivial wrapper around writeTo(CodedOutputStream).

Specified by:
toByteString in interface MessageLite

toByteArray

public byte[] toByteArray()
Serializes the message to a byte array and returns it. This is just a trivial wrapper around writeTo(CodedOutputStream).

Specified by:
toByteArray in interface MessageLite

writeTo

public void writeTo(java.io.OutputStream output)
             throws java.io.IOException
Serializes the message and writes it to output. This is just a trivial wrapper around writeTo(CodedOutputStream).

Specified by:
writeTo in interface MessageLite
Throws:
java.io.IOException

writeDelimitedTo

public void writeDelimitedTo(java.io.OutputStream output)
                      throws java.io.IOException
Description copied from interface: MessageLite
Like MessageLite.writeTo(OutputStream), but writes the size of the message as a varint before writing the data. This allows more data to be written to the stream after the message without the need to delimit the message data yourself. Use MessageLite.Builder.mergeDelimitedFrom(InputStream) (or the static method YourMessageType.parseDelimitedFrom(InputStream)) to parse messages written by this method.

Specified by:
writeDelimitedTo in interface MessageLite
Throws:
java.io.IOException

getSerializedSize

public int getSerializedSize()
Get the number of bytes required to encode this set.

Specified by:
getSerializedSize in interface MessageLite

writeAsMessageSetTo

public void writeAsMessageSetTo(CodedOutputStream output)
                         throws java.io.IOException
Serializes the set and writes it to output using MessageSet wire format.

Throws:
java.io.IOException

getSerializedSizeAsMessageSet

public int getSerializedSizeAsMessageSet()
Get the number of bytes required to encode this set using MessageSet wire format.


isInitialized

public boolean isInitialized()
Description copied from interface: MessageLite
Returns true if all required fields in the message and all embedded messages are set, false otherwise.

Specified by:
isInitialized in interface MessageLite

parseFrom

public static UnknownFieldSet parseFrom(CodedInputStream input)
                                 throws java.io.IOException
Parse an UnknownFieldSet from the given input stream.

Throws:
java.io.IOException

parseFrom

public static UnknownFieldSet parseFrom(ByteString data)
                                 throws InvalidProtocolBufferException
Parse data as an UnknownFieldSet and return it.

Throws:
InvalidProtocolBufferException

parseFrom

public static UnknownFieldSet parseFrom(byte[] data)
                                 throws InvalidProtocolBufferException
Parse data as an UnknownFieldSet and return it.

Throws:
InvalidProtocolBufferException

parseFrom

public static UnknownFieldSet parseFrom(java.io.InputStream input)
                                 throws java.io.IOException
Parse an UnknownFieldSet from input and return it.

Throws:
java.io.IOException

newBuilderForType

public UnknownFieldSet.Builder newBuilderForType()
Description copied from interface: MessageLite
Constructs a new builder for a message of the same type as this message.

Specified by:
newBuilderForType in interface MessageLite

toBuilder

public UnknownFieldSet.Builder toBuilder()
Description copied from interface: MessageLite
Constructs a builder initialized with the current message. Use this to derive a new message from the current one.

Specified by:
toBuilder in interface MessageLite


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