com.google.protobuf

Class AbstractMessage.Builder<BuilderType extends AbstractMessage.Builder<BuilderType>>

java.lang.Object

com.google.protobuf.AbstractMessageLite.Builder

com.google.protobuf.AbstractMessage.Builder<BuilderType>

All Implemented Interfaces:

Message.Builder, MessageLite.Builder, MessageLiteOrBuilder, MessageOrBuilder, Cloneable

Direct Known Subclasses:

DynamicMessage.Builder, GeneratedMessage.Builder, GeneratedMessageV3.Builder, MapEntry.Builder

Enclosing class:

AbstractMessage

public abstract static class AbstractMessage.Builder<BuilderType extends AbstractMessage.Builder<BuilderType>>
extends AbstractMessageLite.Builder
implements Message.Builder

A partial implementation of the Message.Builder interface which implements as many methods of that interface as possible in terms of other methods.

Constructor Summary

Constructors

Constructor and Description
Builder()

Method Summary

Modifier and Type	Method and Description
BuilderType	clear() Resets all fields to their default values.
BuilderType	clearOneof(Descriptors.OneofDescriptor oneof) TODO(jieluo): Clear it when all subclasses have implemented this method.
BuilderType	clone() Clones the Builder.
List<String>	findInitializationErrors() Returns a list of field paths (e.g.
Message.Builder	getFieldBuilder(Descriptors.FieldDescriptor field) Get a nested builder instance for the given field.
String	getInitializationErrorString() Returns a comma-delimited list of required fields which are not set in this message object.
Descriptors.FieldDescriptor	getOneofFieldDescriptor(Descriptors.OneofDescriptor oneof) TODO(jieluo): Clear it when all subclasses have implemented this method.
Message.Builder	getRepeatedFieldBuilder(Descriptors.FieldDescriptor field, int index) Get a nested builder instance for the given repeated field instance.
boolean	hasOneof(Descriptors.OneofDescriptor oneof) TODO(jieluo): Clear it when all subclasses have implemented this method.
protected BuilderType	internalMergeFrom(AbstractMessageLite other)
boolean	mergeDelimitedFrom(InputStream input) Like MessageLite.Builder.mergeFrom(InputStream), but does not read until EOF.
boolean	mergeDelimitedFrom(InputStream input, ExtensionRegistryLite extensionRegistry) Like MessageLite.Builder.mergeDelimitedFrom(InputStream) but supporting extensions.
BuilderType	mergeFrom(byte[] data) Parse data as a message of this type and merge it with the message being built.
BuilderType	mergeFrom(byte[] data, ExtensionRegistryLite extensionRegistry) Parse data as a message of this type and merge it with the message being built.
BuilderType	mergeFrom(byte[] data, int off, int len) Parse data as a message of this type and merge it with the message being built.
BuilderType	mergeFrom(byte[] data, int off, int len, ExtensionRegistryLite extensionRegistry) Parse data as a message of this type and merge it with the message being built.
BuilderType	mergeFrom(ByteString data) Parse data as a message of this type and merge it with the message being built.
BuilderType	mergeFrom(ByteString data, ExtensionRegistryLite extensionRegistry) Parse data as a message of this type and merge it with the message being built.
BuilderType	mergeFrom(CodedInputStream input) Parses a message of this type from the input and merges it with this message.
BuilderType	mergeFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry) Like MessageLite.Builder.mergeFrom(CodedInputStream), but also parses extensions.
BuilderType	mergeFrom(InputStream input) Parse a message of this type from input and merge it with the message being built.
BuilderType	mergeFrom(InputStream input, ExtensionRegistryLite extensionRegistry) Parse a message of this type from input and merge it with the message being built.
BuilderType	mergeFrom(Message other) Merge other into the message being built.
BuilderType	mergeUnknownFields(UnknownFieldSet unknownFields) Merge some unknown fields into the UnknownFieldSet for this message.
protected static UninitializedMessageException	newUninitializedMessageException(Message message) Construct an UninitializedMessageException reporting missing fields in the given message.
String	toString()

Methods inherited from class com.google.protobuf.AbstractMessageLite.Builder

addAll, addAll, mergeFrom, newUninitializedMessageException

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.google.protobuf.Message.Builder

addRepeatedField, build, buildPartial, clearField, getDescriptorForType, newBuilderForField, setField, setRepeatedField, setUnknownFields

Methods inherited from interface com.google.protobuf.MessageLite.Builder

mergeFrom

Methods inherited from interface com.google.protobuf.MessageOrBuilder

getAllFields, getDefaultInstanceForType, getField, getRepeatedField, getRepeatedFieldCount, getUnknownFields, hasField

Methods inherited from interface com.google.protobuf.MessageLiteOrBuilder

isInitialized

Constructor Detail

Builder

public Builder()

Method Detail

clone

public BuilderType clone()

Description copied from interface: MessageLite.Builder

Clones the Builder.

Specified by:

clone in interface Message.Builder

Specified by:

clone in interface MessageLite.Builder

Specified by:

clone in class AbstractMessageLite.Builder

See Also:

Object.clone()

hasOneof

public boolean hasOneof(Descriptors.OneofDescriptor oneof)

TODO(jieluo): Clear it when all subclasses have implemented this method.

Specified by:

hasOneof in interface MessageOrBuilder

getOneofFieldDescriptor

public Descriptors.FieldDescriptor getOneofFieldDescriptor(Descriptors.OneofDescriptor oneof)

TODO(jieluo): Clear it when all subclasses have implemented this method.

Specified by:

getOneofFieldDescriptor in interface MessageOrBuilder

clearOneof

public BuilderType clearOneof(Descriptors.OneofDescriptor oneof)

TODO(jieluo): Clear it when all subclasses have implemented this method.

Specified by:

clearOneof in interface Message.Builder

clear

public BuilderType clear()

Description copied from interface: MessageLite.Builder

Resets all fields to their default values.

Specified by:

clear in interface Message.Builder

Specified by:

clear in interface MessageLite.Builder

findInitializationErrors

public List<String> findInitializationErrors()

Description copied from interface: MessageOrBuilder

Returns a list of field paths (e.g. "foo.bar.baz") of required fields which are not set in this message. You should call MessageLiteOrBuilder.isInitialized() first to check if there are any missing fields, as that method is likely to be much faster than this one even when the message is fully-initialized.

Specified by:

findInitializationErrors in interface MessageOrBuilder

getInitializationErrorString

public String getInitializationErrorString()

Description copied from interface: MessageOrBuilder

Returns a comma-delimited list of required fields which are not set in this message object. You should call MessageLiteOrBuilder.isInitialized() first to check if there are any missing fields, as that method is likely to be much faster than this one even when the message is fully-initialized.

Specified by:

getInitializationErrorString in interface MessageOrBuilder

internalMergeFrom

protected BuilderType internalMergeFrom(AbstractMessageLite other)

Specified by:

internalMergeFrom in class AbstractMessageLite.Builder

mergeFrom

public BuilderType mergeFrom(Message other)

Description copied from interface: Message.Builder

Merge other into the message being built. other must have the exact same type as this (i.e. getDescriptorForType() == other.getDescriptorForType()).

Merging occurs as follows. For each field:
* For singular primitive fields, if the field is set in other, then other's value overwrites the value in this message.
* For singular message fields, if the field is set in other, it is merged into the corresponding sub-message of this message using the same merging rules.
* For repeated fields, the elements in other are concatenated with the elements in this message.
* For oneof groups, if the other message has one of the fields set, the group of this message is cleared and replaced by the field of the other message, so that the oneof constraint is preserved.

This is equivalent to the Message::MergeFrom method in C++.

Specified by:

mergeFrom in interface Message.Builder

mergeFrom

public BuilderType mergeFrom(CodedInputStream input)
                      throws IOException

Description copied from interface: MessageLite.Builder

Parses a message of this type from the input and merges it with this message.

Warning: This does not verify that all required fields are present in the input message. If you call MessageLite.Builder.build() without setting all required fields, it will throw an UninitializedMessageException, which is a RuntimeException and thus might not be caught. There are a few good ways to deal with this:

• Call MessageLiteOrBuilder.isInitialized() to verify that all required fields are set before building.
• Use buildPartial() to build, which ignores missing required fields.

Note: The caller should call CodedInputStream.checkLastTagWas(int) after calling this to verify that the last tag seen was the appropriate end-group tag, or zero for EOF.

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Throws:

IOException

mergeFrom

public BuilderType mergeFrom(CodedInputStream input,
                             ExtensionRegistryLite extensionRegistry)
                      throws IOException

Description copied from interface: MessageLite.Builder

Like MessageLite.Builder.mergeFrom(CodedInputStream), but also parses extensions. The extensions that you want to be able to parse must be registered in extensionRegistry. Extensions not in the registry will be treated as unknown fields.

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Specified by:

mergeFrom in class AbstractMessageLite.Builder

Throws:

IOException

mergeUnknownFields

public BuilderType mergeUnknownFields(UnknownFieldSet unknownFields)

Description copied from interface: Message.Builder

Merge some unknown fields into the UnknownFieldSet for this message.

Specified by:

mergeUnknownFields in interface Message.Builder

getFieldBuilder

public Message.Builder getFieldBuilder(Descriptors.FieldDescriptor field)

Description copied from interface: Message.Builder

Get a nested builder instance for the given field.

Normally, we hold a reference to the immutable message object for the message type field. Some implementations(the generated message builders), however, can also hold a reference to the builder object (a nested builder) for the field.

If the field is already backed up by a nested builder, the nested builder will be returned. Otherwise, a new field builder will be created and returned. The original message field (if exist) will be merged into the field builder, which will then be nested into its parent builder.

NOTE: implementations that do not support nested builders will throw UnsupportedOperationException.

Specified by:

getFieldBuilder in interface Message.Builder

getRepeatedFieldBuilder

public Message.Builder getRepeatedFieldBuilder(Descriptors.FieldDescriptor field,
                                               int index)

Description copied from interface: Message.Builder

Get a nested builder instance for the given repeated field instance.

Normally, we hold a reference to the immutable message object for the message type field. Some implementations(the generated message builders), however, can also hold a reference to the builder object (a nested builder) for the field.

If the field is already backed up by a nested builder, the nested builder will be returned. Otherwise, a new field builder will be created and returned. The original message field (if exist) will be merged into the field builder, which will then be nested into its parent builder.

NOTE: implementations that do not support nested builders will throw UnsupportedOperationException.

Specified by:

getRepeatedFieldBuilder in interface Message.Builder

toString

public String toString()

Overrides:

toString in class Object

newUninitializedMessageException

protected static UninitializedMessageException newUninitializedMessageException(Message message)

Construct an UninitializedMessageException reporting missing fields in the given message.

mergeFrom

public BuilderType mergeFrom(ByteString data)
                      throws InvalidProtocolBufferException

Description copied from interface: MessageLite.Builder

Parse data as a message of this type and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream).

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

InvalidProtocolBufferException

mergeFrom

public BuilderType mergeFrom(ByteString data,
                             ExtensionRegistryLite extensionRegistry)
                      throws InvalidProtocolBufferException

Description copied from interface: MessageLite.Builder

Parse data as a message of this type and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream,ExtensionRegistryLite).

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

InvalidProtocolBufferException

mergeFrom

public BuilderType mergeFrom(byte[] data)
                      throws InvalidProtocolBufferException

Description copied from interface: MessageLite.Builder

Parse data as a message of this type and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream).

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

InvalidProtocolBufferException

mergeFrom

public BuilderType mergeFrom(byte[] data,
                             int off,
                             int len)
                      throws InvalidProtocolBufferException

Description copied from interface: MessageLite.Builder

Parse data as a message of this type and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream).

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

InvalidProtocolBufferException

mergeFrom

public BuilderType mergeFrom(byte[] data,
                             ExtensionRegistryLite extensionRegistry)
                      throws InvalidProtocolBufferException

Description copied from interface: MessageLite.Builder

Parse data as a message of this type and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream,ExtensionRegistryLite).

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

InvalidProtocolBufferException

mergeFrom

public BuilderType mergeFrom(byte[] data,
                             int off,
                             int len,
                             ExtensionRegistryLite extensionRegistry)
                      throws InvalidProtocolBufferException

Description copied from interface: MessageLite.Builder

Parse data as a message of this type and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream,ExtensionRegistryLite).

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

InvalidProtocolBufferException

mergeFrom

public BuilderType mergeFrom(InputStream input)
                      throws IOException

Description copied from interface: MessageLite.Builder

Parse a message of this type from input and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream). Note that this method always reads the entire input (unless it throws an exception). If you want it to stop earlier, you will need to wrap your input in some wrapper stream that limits reading. Or, use MessageLite.writeDelimitedTo(OutputStream) to write your message and MessageLite.Builder.mergeDelimitedFrom(InputStream) to read it.

Despite usually reading the entire input, this does not close the stream.

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

IOException

mergeFrom

public BuilderType mergeFrom(InputStream input,
                             ExtensionRegistryLite extensionRegistry)
                      throws IOException

Description copied from interface: MessageLite.Builder

Parse a message of this type from input and merge it with the message being built. This is just a small wrapper around MessageLite.Builder.mergeFrom(CodedInputStream,ExtensionRegistryLite).

Specified by:

mergeFrom in interface Message.Builder

Specified by:

mergeFrom in interface MessageLite.Builder

Overrides:

mergeFrom in class AbstractMessageLite.Builder

Returns:

this

Throws:

IOException

mergeDelimitedFrom

public boolean mergeDelimitedFrom(InputStream input)
                           throws IOException

Description copied from interface: MessageLite.Builder

Like MessageLite.Builder.mergeFrom(InputStream), but does not read until EOF. Instead, the size of the message (encoded as a varint) is read first, then the message data. Use MessageLite.writeDelimitedTo(OutputStream) to write messages in this format.

Specified by:

mergeDelimitedFrom in interface Message.Builder

Specified by:

mergeDelimitedFrom in interface MessageLite.Builder

Overrides:

mergeDelimitedFrom in class AbstractMessageLite.Builder

Returns:

True if successful, or false if the stream is at EOF when the method starts. Any other error (including reaching EOF during parsing) will cause an exception to be thrown.

Throws:

IOException

mergeDelimitedFrom

public boolean mergeDelimitedFrom(InputStream input,
                                  ExtensionRegistryLite extensionRegistry)
                           throws IOException

Description copied from interface: MessageLite.Builder

Like MessageLite.Builder.mergeDelimitedFrom(InputStream) but supporting extensions.

Specified by:

mergeDelimitedFrom in interface Message.Builder

Specified by:

mergeDelimitedFrom in interface MessageLite.Builder

Overrides:

mergeDelimitedFrom in class AbstractMessageLite.Builder

Throws:

IOException