Uses of Package
io.grpc

Packages that use io.grpc

Package	Description
io.envoyproxy.envoy.service.status.v3
io.grpc	The gRPC core public API.
io.grpc.auth	Implementations of CallCredentials and authentication related API.
io.grpc.channelz.v1
io.grpc.grpclb
io.grpc.inprocess	The in-process transport which is for when a server is in the same process as the client.
io.grpc.internal
io.grpc.netty	The main transport implementation based on Netty, for both the client and the server.
io.grpc.okhttp	A lightweight transport based on OkHttp, mainly for use on Android (client-only).
io.grpc.protobuf	API for gRPC over Protocol Buffers, including tools for serializing and de-serializing protobuf messages.
io.grpc.protobuf.lite	API for gRPC over Protocol Buffers with proto message classes generated by the Lite Runtime library.
io.grpc.protobuf.services	Service definitions and utilities with protobuf dependency for the pre-defined gRPC services.
io.grpc.reflection.v1alpha
io.grpc.rls
io.grpc.services	Service definitions and utilities for the pre-defined gRPC services.
io.grpc.stub	API for the Stub layer.
io.grpc.testing	API that is useful for testing gRPC.
io.grpc.util	Utilities with advanced features in the core layer that user can optionally use.
io.grpc.xds	Library for gPRC proxyless service mesh using Envoy xDS protocol.
io.grpc.xds.orca

Classes in io.grpc used by io.envoyproxy.envoy.service.status.v3

Class and Description
BindableService Provides a way to bind instance of service implementation to server.

Classes in io.grpc used by io.grpc

Class and Description
Attributes An immutable type-safe container of attributes.
Attributes.Builder The helper class to build an Attributes instance.
Attributes.Key Key for an key-value pair.
BinaryLog A binary log that can be installed on a channel or server.
BindableService Provides a way to bind instance of service implementation to server.
CallCredentials Carries credential data that will be propagated to the server via request metadata for each RPC.
CallCredentials.MetadataApplier The outlet of the produced headers.
CallCredentials.RequestInfo The request-related information passed to CallCredentials.applyRequestMetadata().
CallOptions The collection of runtime options for a new RPC call.
CallOptions.Key Key for a key-value pair.
Channel A virtual connection to a conceptual endpoint, to perform RPCs.
ChannelCredentials Represents a security configuration to be used for channels.
ChannelLogger A Channel-specific logger provided by GRPC library to LoadBalancer implementations.
ChannelLogger.ChannelLogLevel Log levels.
ClientCall An instance of a call to a remote method.
ClientCall.Listener Callbacks for receiving metadata, response messages and completion status from the server.
ClientInterceptor Interface for intercepting outgoing calls before they are dispatched by a Channel.
ClientStreamTracer StreamTracer for the client-side.
ClientStreamTracer.Factory Factory class for ClientStreamTracer.
ClientStreamTracer.StreamInfo Information about a stream.
ClientStreamTracer.StreamInfo.Builder Builds ClientStreamTracer.StreamInfo objects.
Codec Encloses classes related to the compression and decompression of messages.
Compressor Represents a message compressor.
CompressorRegistry Encloses classes related to the compression and decompression of messages.
ConnectivityState The connectivity states.
ConnectivityStateInfo A tuple of a ConnectivityState and its associated Status.
Context A context propagation mechanism which can carry scoped-values across API boundaries and between threads.
Context.CancellableContext A context which inherits cancellation from its parent but which can also be independently cancelled and which will propagate cancellation to its descendants.
Context.CancellationListener A listener notified on context cancellation.
Context.Key Key for indexing values stored in a context.
Deadline An absolute point in time, generally for tracking when a task should be completed.
Deadline.Ticker Time source representing nanoseconds since fixed but arbitrary point in time.
Decompressor Represents a message decompressor.
DecompressorRegistry Encloses classes related to the compression and decompression of messages.
EquivalentAddressGroup A group of SocketAddresses that are considered equivalent when channel makes connections.
EquivalentAddressGroup.Attr Annotation for EquivalentAddressGroup's attributes.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
ForwardingChannelBuilder A ManagedChannelBuilder that delegates all its builder methods to another builder by default.
ForwardingClientCall A ClientCall which forwards all of its methods to another ClientCall.
ForwardingClientCallListener A ClientCall.Listener which forwards all of its methods to another ClientCall.Listener.
ForwardingServerCall A ServerCall which forwards all of its methods to another ServerCall.
ForwardingServerCallListener A ServerCall.Listener which forwards all of its methods to another ServerCall.Listener of matching parameterized types.
Grpc.TransportAttr Annotation for transport attributes.
HandlerRegistry Registry of services and their methods used by servers to dispatching incoming calls.
HttpConnectProxiedSocketAddress An ProxiedSocketAddress for making a connection to an endpoint via an HTTP CONNECT proxy.
HttpConnectProxiedSocketAddress.Builder The builder for HttpConnectProxiedSocketAddress.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
LoadBalancer A pluggable component that receives resolved addresses from NameResolver and provides the channel a usable subchannel when asked.
LoadBalancer.CreateSubchannelArgs Arguments for creating a LoadBalancer.Subchannel.
LoadBalancer.CreateSubchannelArgs.Builder
LoadBalancer.CreateSubchannelArgs.Key Key for a key-value pair.
LoadBalancer.Factory Factory to create LoadBalancer instance.
LoadBalancer.Helper Provides essentials for LoadBalancer implementations.
LoadBalancer.PickResult A balancing decision made by SubchannelPicker for an RPC.
LoadBalancer.PickSubchannelArgs Provides arguments for a LoadBalancer.SubchannelPicker.pickSubchannel( LoadBalancer.PickSubchannelArgs).
LoadBalancer.ResolvedAddresses Represents a combination of the resolved server address, associated attributes and a load balancing policy config.
LoadBalancer.ResolvedAddresses.Builder Builder for LoadBalancer.ResolvedAddresses.
LoadBalancer.Subchannel A logical connection to a server, or a group of equivalent servers represented by an EquivalentAddressGroup.
LoadBalancer.SubchannelPicker The main balancing logic.
LoadBalancer.SubchannelStateListener Receives state changes for one LoadBalancer.Subchannel.
LoadBalancerProvider Provider of LoadBalancers.
LoadBalancerRegistry Registry of LoadBalancerProviders.
ManagedChannel A Channel that provides lifecycle management.
ManagedChannelBuilder A builder for ManagedChannel instances.
ManagedChannelProvider Provider of managed channels for transport agnostic consumption.
ManagedChannelProvider.NewChannelBuilderResult
ManagedChannelRegistry Registry of ManagedChannelProviders.
Metadata Provides access to read and write metadata values to be exchanged during a call.
Metadata.AsciiMarshaller Marshaller for metadata values that are serialized into ASCII strings.
Metadata.BinaryMarshaller Marshaller for metadata values that are serialized into raw binary.
Metadata.BinaryStreamMarshaller Marshaller for metadata values that are serialized to an InputStream.
Metadata.Key Key for metadata entries.
MethodDescriptor Description of a remote method used by Channel to initiate a call.
MethodDescriptor.Builder A builder for a MethodDescriptor.
MethodDescriptor.Marshaller A typed abstraction over message serialization and deserialization, a.k.a.
MethodDescriptor.MethodType The call type of a method.
MethodDescriptor.ReflectableMarshaller A marshaller that supports retrieving it's type parameter T at runtime.
NameResolver A pluggable component that resolves a target URI and return addresses to the caller.
NameResolver.Args Information that a NameResolver.Factory uses to create a NameResolver.
NameResolver.Args.Builder Builder for NameResolver.Args.
NameResolver.ConfigOrError Represents either a successfully parsed service config, containing all necessary parts to be later applied by the channel, or a Status containing the error encountered while parsing.
NameResolver.Factory Factory that creates NameResolver instances.
NameResolver.Listener Receives address updates.
NameResolver.Listener2 Receives address updates.
NameResolver.ResolutionResult Represents the results from a Name Resolver.
NameResolver.ResolutionResult.Builder A builder for NameResolver.ResolutionResult.
NameResolver.ResolutionResultAttr Annotation for name resolution result attributes.
NameResolver.ServiceConfigParser Parses and validates service configuration.
NameResolverProvider Provider of name resolvers for name agnostic consumption.
NameResolverRegistry Registry of NameResolverProviders.
ProxiedSocketAddress An address that contains the information about making a connection via a proxy.
ProxyDetector A utility class to detect which proxy, if any, should be used for a given SocketAddress.
SecurityLevel The level of security guarantee in communications.
Server Server for listening for and dispatching incoming calls.
ServerBuilder A builder for Server instances.
ServerCall Encapsulates a single call received from a remote client.
ServerCall.Listener Callbacks for consuming incoming RPC messages.
ServerCallExecutorSupplier Defines what executor handles the server call, based on each RPC call information at runtime.
ServerCallHandler Interface to initiate processing of incoming remote calls.
ServerCredentials Represents a security configuration to be used for servers.
ServerInterceptor Interface for intercepting incoming calls before that are dispatched by ServerCallHandler.
ServerMethodDefinition Definition of a method exposed by a Server.
ServerProvider Provider of servers for transport agnostic consumption.
ServerProvider.NewServerBuilderResult
ServerRegistry Registry of ServerProviders.
ServerServiceDefinition Definition of a service to be exposed via a Server.
ServerServiceDefinition.Builder Builder for constructing Service instances.
ServerStreamTracer Listens to events on a stream to collect metrics.
ServerStreamTracer.Factory
ServerStreamTracer.ServerCallInfo A data class with info about the started ServerCall.
ServerTransportFilter Listens on server transport life-cycle events, with the capability to read and/or change transport attributes.
ServiceDescriptor Descriptor for a service.
ServiceDescriptor.Builder A builder for a ServiceDescriptor.
Status Defines the status of an operation by providing a standard Status.Code in conjunction with an optional descriptive message.
Status.Code The set of canonical status codes.
StatusException Status in Exception form, for propagating Status information via exceptions.
StatusRuntimeException Status in RuntimeException form, for propagating Status information via exceptions.
StreamTracer Listens to events on a stream to collect metrics.
SynchronizationContext A synchronization context is a queue of tasks that run in sequence.
SynchronizationContext.ScheduledHandle Allows the user to check the status and/or cancel a task scheduled by SynchronizationContext.schedule(java.lang.Runnable, long, java.util.concurrent.TimeUnit, java.util.concurrent.ScheduledExecutorService).
TlsChannelCredentials.Builder Builder for TlsChannelCredentials.
TlsChannelCredentials.Feature Features to understand TLS configuration.
TlsServerCredentials.Builder Builder for TlsServerCredentials.
TlsServerCredentials.ClientAuth The level of authentication the server should expect from the client.
TlsServerCredentials.Feature Features to understand TLS configuration.

Classes in io.grpc used by io.grpc.auth

Class and Description
CallCredentials Carries credential data that will be propagated to the server via request metadata for each RPC.
CallOptions The collection of runtime options for a new RPC call.
Channel A virtual connection to a conceptual endpoint, to perform RPCs.
ClientCall An instance of a call to a remote method.
ClientInterceptor Interface for intercepting outgoing calls before they are dispatched by a Channel.
MethodDescriptor Description of a remote method used by Channel to initiate a call.

Classes in io.grpc used by io.grpc.channelz.v1

Class and Description
BindableService Provides a way to bind instance of service implementation to server.

Classes in io.grpc used by io.grpc.grpclb

Class and Description
Attributes.Key Key for an key-value pair.
EquivalentAddressGroup A group of SocketAddresses that are considered equivalent when channel makes connections.
EquivalentAddressGroup.Attr Annotation for EquivalentAddressGroup's attributes.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
LoadBalancer A pluggable component that receives resolved addresses from NameResolver and provides the channel a usable subchannel when asked.
LoadBalancer.Factory Factory to create LoadBalancer instance.
LoadBalancer.Helper Provides essentials for LoadBalancer implementations.
LoadBalancerProvider Provider of LoadBalancers.
Metadata.Key Key for metadata entries.
NameResolver.ConfigOrError Represents either a successfully parsed service config, containing all necessary parts to be later applied by the channel, or a Status containing the error encountered while parsing.

Classes in io.grpc used by io.grpc.inprocess

Class and Description
Deadline.Ticker Time source representing nanoseconds since fixed but arbitrary point in time.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
ManagedChannelBuilder A builder for ManagedChannel instances.
ServerBuilder A builder for Server instances.

Classes in io.grpc used by io.grpc.internal

Class and Description
ManagedChannelBuilder A builder for ManagedChannel instances.
ServerBuilder A builder for Server instances.

Classes in io.grpc used by io.grpc.netty

Class and Description
Attributes An immutable type-safe container of attributes.
ChannelCredentials Represents a security configuration to be used for channels.
ChannelLogger A Channel-specific logger provided by GRPC library to LoadBalancer implementations.
EquivalentAddressGroup.Attr Annotation for EquivalentAddressGroup's attributes.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
ManagedChannelBuilder A builder for ManagedChannel instances.
ManagedChannelProvider Provider of managed channels for transport agnostic consumption.
ManagedChannelProvider.NewChannelBuilderResult
NameResolver.Args Information that a NameResolver.Factory uses to create a NameResolver.
NameResolver.Factory Factory that creates NameResolver instances.
NameResolverProvider Provider of name resolvers for name agnostic consumption.
ServerBuilder A builder for Server instances.
ServerCredentials Represents a security configuration to be used for servers.
ServerProvider Provider of servers for transport agnostic consumption.
ServerProvider.NewServerBuilderResult

Classes in io.grpc used by io.grpc.okhttp

Class and Description
ChannelCredentials Represents a security configuration to be used for channels.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
ForwardingServerBuilder A ServerBuilder that delegates all its builder methods to another builder by default.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
ManagedChannelBuilder A builder for ManagedChannel instances.
ManagedChannelProvider Provider of managed channels for transport agnostic consumption.
ManagedChannelProvider.NewChannelBuilderResult
ServerBuilder A builder for Server instances.
ServerCredentials Represents a security configuration to be used for servers.

Classes in io.grpc used by io.grpc.protobuf

Class and Description
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
Metadata Provides access to read and write metadata values to be exchanged during a call.
Metadata.BinaryMarshaller Marshaller for metadata values that are serialized into raw binary.
Metadata.Key Key for metadata entries.
MethodDescriptor.Marshaller A typed abstraction over message serialization and deserialization, a.k.a.
Status Defines the status of an operation by providing a standard Status.Code in conjunction with an optional descriptive message.
StatusException Status in Exception form, for propagating Status information via exceptions.
StatusRuntimeException Status in RuntimeException form, for propagating Status information via exceptions.

Classes in io.grpc used by io.grpc.protobuf.lite

Class and Description
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
Metadata.BinaryMarshaller Marshaller for metadata values that are serialized into raw binary.
MethodDescriptor.Marshaller A typed abstraction over message serialization and deserialization, a.k.a.

Classes in io.grpc used by io.grpc.protobuf.services

Class and Description
BinaryLog A binary log that can be installed on a channel or server.
BindableService Provides a way to bind instance of service implementation to server.
CallOptions The collection of runtime options for a new RPC call.
Channel A virtual connection to a conceptual endpoint, to perform RPCs.
ClientInterceptor Interface for intercepting outgoing calls before they are dispatched by a Channel.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
LoadBalancer A pluggable component that receives resolved addresses from NameResolver and provides the channel a usable subchannel when asked.
LoadBalancer.Factory Factory to create LoadBalancer instance.
LoadBalancer.Helper Provides essentials for LoadBalancer implementations.
MethodDescriptor.Marshaller A typed abstraction over message serialization and deserialization, a.k.a.
ServerInterceptor Interface for intercepting incoming calls before that are dispatched by ServerCallHandler.
ServerMethodDefinition Definition of a method exposed by a Server.

Classes in io.grpc used by io.grpc.reflection.v1alpha

Class and Description
BindableService Provides a way to bind instance of service implementation to server.

Classes in io.grpc used by io.grpc.rls

Class and Description
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
LoadBalancer A pluggable component that receives resolved addresses from NameResolver and provides the channel a usable subchannel when asked.
LoadBalancer.Factory Factory to create LoadBalancer instance.
LoadBalancer.Helper Provides essentials for LoadBalancer implementations.
LoadBalancerProvider Provider of LoadBalancers.
NameResolver.ConfigOrError Represents either a successfully parsed service config, containing all necessary parts to be later applied by the channel, or a Status containing the error encountered while parsing.

Classes in io.grpc used by io.grpc.services

Class and Description
BinaryLog A binary log that can be installed on a channel or server.
BindableService Provides a way to bind instance of service implementation to server.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
ServerServiceDefinition Definition of a service to be exposed via a Server.

Classes in io.grpc used by io.grpc.stub

Class and Description
CallCredentials Carries credential data that will be propagated to the server via request metadata for each RPC.
CallOptions The collection of runtime options for a new RPC call.
CallOptions.Key Key for a key-value pair.
Channel A virtual connection to a conceptual endpoint, to perform RPCs.
ClientCall An instance of a call to a remote method.
ClientInterceptor Interface for intercepting outgoing calls before they are dispatched by a Channel.
Deadline An absolute point in time, generally for tracking when a task should be completed.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
Metadata Provides access to read and write metadata values to be exchanged during a call.
MethodDescriptor Description of a remote method used by Channel to initiate a call.
ServerCallHandler Interface to initiate processing of incoming remote calls.

Classes in io.grpc used by io.grpc.testing

Class and Description
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
ManagedChannel A Channel that provides lifecycle management.
Metadata Provides access to read and write metadata values to be exchanged during a call.
MethodDescriptor Description of a remote method used by Channel to initiate a call.
MethodDescriptor.Marshaller A typed abstraction over message serialization and deserialization, a.k.a.
Server Server for listening for and dispatching incoming calls.
ServerInterceptor Interface for intercepting incoming calls before that are dispatched by ServerCallHandler.

Classes in io.grpc used by io.grpc.util

Class and Description
Attributes An immutable type-safe container of attributes.
BindableService Provides a way to bind instance of service implementation to server.
Channel A virtual connection to a conceptual endpoint, to perform RPCs.
ChannelCredentials Represents a security configuration to be used for channels.
ChannelLogger A Channel-specific logger provided by GRPC library to LoadBalancer implementations.
ClientStreamTracer StreamTracer for the client-side.
ConnectivityState The connectivity states.
ConnectivityStateInfo A tuple of a ConnectivityState and its associated Status.
EquivalentAddressGroup A group of SocketAddresses that are considered equivalent when channel makes connections.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
HandlerRegistry Registry of services and their methods used by servers to dispatching incoming calls.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
LoadBalancer A pluggable component that receives resolved addresses from NameResolver and provides the channel a usable subchannel when asked.
LoadBalancer.CreateSubchannelArgs Arguments for creating a LoadBalancer.Subchannel.
LoadBalancer.Factory Factory to create LoadBalancer instance.
LoadBalancer.Helper Provides essentials for LoadBalancer implementations.
LoadBalancer.ResolvedAddresses Represents a combination of the resolved server address, associated attributes and a load balancing policy config.
LoadBalancer.Subchannel A logical connection to a server, or a group of equivalent servers represented by an EquivalentAddressGroup.
LoadBalancer.SubchannelPicker The main balancing logic.
LoadBalancer.SubchannelStateListener Receives state changes for one LoadBalancer.Subchannel.
LoadBalancerProvider Provider of LoadBalancers.
ManagedChannel A Channel that provides lifecycle management.
ManagedChannelBuilder A builder for ManagedChannel instances.
Metadata Provides access to read and write metadata values to be exchanged during a call.
NameResolver.Args Information that a NameResolver.Factory uses to create a NameResolver.
NameResolver.ConfigOrError Represents either a successfully parsed service config, containing all necessary parts to be later applied by the channel, or a Status containing the error encountered while parsing.
NameResolverRegistry Registry of NameResolverProviders.
ServerCall Encapsulates a single call received from a remote client.
ServerCall.Listener Callbacks for consuming incoming RPC messages.
ServerCallHandler Interface to initiate processing of incoming remote calls.
ServerInterceptor Interface for intercepting incoming calls before that are dispatched by ServerCallHandler.
ServerMethodDefinition Definition of a method exposed by a Server.
ServerServiceDefinition Definition of a service to be exposed via a Server.
Status Defines the status of an operation by providing a standard Status.Code in conjunction with an optional descriptive message.
StreamTracer Listens to events on a stream to collect metrics.
SynchronizationContext A synchronization context is a queue of tasks that run in sequence.

Classes in io.grpc used by io.grpc.xds

Class and Description
BindableService Provides a way to bind instance of service implementation to server.
ChannelCredentials Represents a security configuration to be used for channels.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
ForwardingServerBuilder A ServerBuilder that delegates all its builder methods to another builder by default.
Internal Annotates a program element (class, method, package, etc) which is internal to gRPC, not part of the public API, and should not be used by users of gRPC.
Server Server for listening for and dispatching incoming calls.
ServerBuilder A builder for Server instances.
ServerCredentials Represents a security configuration to be used for servers.

Classes in io.grpc used by io.grpc.xds.orca

Class and Description
BindableService Provides a way to bind instance of service implementation to server.
ClientStreamTracer.Factory Factory class for ClientStreamTracer.
ExperimentalApi Indicates a public API that can change at any time, and has no guarantee of API stability and backward-compatibility.
LoadBalancer.Helper Provides essentials for LoadBalancer implementations.
LoadBalancer.Subchannel A logical connection to a server, or a group of equivalent servers represented by an EquivalentAddressGroup.
Metadata Provides access to read and write metadata values to be exchanged during a call.
ServerCall Encapsulates a single call received from a remote client.
ServerCall.Listener Callbacks for consuming incoming RPC messages.
ServerCallHandler Interface to initiate processing of incoming remote calls.
ServerInterceptor Interface for intercepting incoming calls before that are dispatched by ServerCallHandler.
ServerServiceDefinition Definition of a service to be exposed via a Server.