Class Extension<ContainingType extends MessageLite, Type>

java.lang.Object

com.google.protobuf.ExtensionLite<ContainingType, Type>

com.google.protobuf.Extension<ContainingType, Type>

Direct Known Subclasses:

GeneratedMessage.GeneratedExtension

public abstract class Extension<ContainingType extends MessageLite, Type>
extends ExtensionLite<ContainingType, Type>

Interface that generated extensions implement.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static enum	Extension.ExtensionType	The API type that the extension is used for.
static enum	Extension.MessageType	Type of a message extension.

Constructor Summary

Constructors

Constructor	Description
Extension()

Method Summary

Modifier and Type	Method	Description
protected abstract Object	fromReflectionType(Object value)
abstract Descriptors.FieldDescriptor	getDescriptor()	Returns the descriptor of the extension.
protected abstract Extension.ExtensionType	getExtensionType()
abstract Message	getMessageDefaultInstance()	Returns the default instance of the extension field, if it's a message extension.
Extension.MessageType	getMessageType()	If the extension is a message extension (i.e., getLiteType() == MESSAGE), returns the type of the message, otherwise undefined.
(package private) final boolean	isLite()	Returns whether or not this extension is a Lite Extension.
protected abstract Object	singularFromReflectionType(Object value)
protected abstract Object	singularToReflectionType(Object value)
protected abstract Object	toReflectionType(Object value)

Methods inherited from class ExtensionLite

getDefaultValue, getLiteType, getNumber, isRepeated

Methods inherited from class Object

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

Constructor Details

Extension

public Extension()

Method Details

getMessageDefaultInstance

public abstract Message getMessageDefaultInstance()

Returns the default instance of the extension field, if it's a message extension. Overridden to return Message instead of MessageLite.

Specified by:

getMessageDefaultInstance in class ExtensionLite<ContainingType extends MessageLite, Type>

getDescriptor

public abstract Descriptors.FieldDescriptor getDescriptor()

Returns the descriptor of the extension.

isLite

final boolean isLite()

Returns whether or not this extension is a Lite Extension.

Overrides:

isLite in class ExtensionLite<ContainingType extends MessageLite, Type>

getExtensionType

protected abstract Extension.ExtensionType getExtensionType()

getMessageType

public Extension.MessageType getMessageType()

If the extension is a message extension (i.e., getLiteType() == MESSAGE), returns the type of the message, otherwise undefined.

fromReflectionType

protected abstract Object fromReflectionType(Object value)

singularFromReflectionType

protected abstract Object singularFromReflectionType(Object value)

toReflectionType

protected abstract Object toReflectionType(Object value)

singularToReflectionType

protected abstract Object singularToReflectionType(Object value)