Package com.google.protobuf

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 class	Extension.ExtensionType	The API type that the extension is used for.
static class	Extension.MessageType	Type of a message extension.

Constructor Summary

Constructors

Constructor	Description
Extension()

Method Summary

Modifier and Type	Method	Description
protected abstract java.lang.Object	fromReflectionType(java.lang.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.
protected abstract java.lang.Object	singularFromReflectionType(java.lang.Object value)
protected abstract java.lang.Object	singularToReflectionType(java.lang.Object value)
protected abstract java.lang.Object	toReflectionType(java.lang.Object value)

Methods inherited from class com.google.protobuf.ExtensionLite

getDefaultValue, getLiteType, getNumber, isRepeated

Methods inherited from class java.lang.Object

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

Constructor Detail

Extension

public Extension()

Method Detail

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.

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 java.lang.Object fromReflectionType(java.lang.Object value)

singularFromReflectionType

protected abstract java.lang.Object singularFromReflectionType(java.lang.Object value)

toReflectionType

protected abstract java.lang.Object toReflectionType(java.lang.Object value)

singularToReflectionType

protected abstract java.lang.Object singularToReflectionType(java.lang.Object value)