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SDK to implement Numaflow Source or User Defined Functions or Sinks in Java.
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package io.numaproj.numaflow.sink.v1;

import static io.grpc.MethodDescriptor.generateFullMethodName;

/**
 */
@javax.annotation.Generated(
    value = "by gRPC proto compiler (version 1.65.0)",
    comments = "Source: sink/v1/sink.proto")
@io.grpc.stub.annotations.GrpcGenerated
public final class SinkGrpc {

  private SinkGrpc() {}

  public static final java.lang.String SERVICE_NAME = "sink.v1.Sink";

  // Static method descriptors that strictly reflect the proto.
  private static volatile io.grpc.MethodDescriptor getSinkFnMethod;

  @io.grpc.stub.annotations.RpcMethod(
      fullMethodName = SERVICE_NAME + '/' + "SinkFn",
      requestType = io.numaproj.numaflow.sink.v1.SinkOuterClass.SinkRequest.class,
      responseType = io.numaproj.numaflow.sink.v1.SinkOuterClass.SinkResponse.class,
      methodType = io.grpc.MethodDescriptor.MethodType.BIDI_STREAMING)
  public static io.grpc.MethodDescriptor getSinkFnMethod() {
    io.grpc.MethodDescriptor getSinkFnMethod;
    if ((getSinkFnMethod = SinkGrpc.getSinkFnMethod) == null) {
      synchronized (SinkGrpc.class) {
        if ((getSinkFnMethod = SinkGrpc.getSinkFnMethod) == null) {
          SinkGrpc.getSinkFnMethod = getSinkFnMethod =
              io.grpc.MethodDescriptor.newBuilder()
              .setType(io.grpc.MethodDescriptor.MethodType.BIDI_STREAMING)
              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "SinkFn"))
              .setSampledToLocalTracing(true)
              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
                  io.numaproj.numaflow.sink.v1.SinkOuterClass.SinkRequest.getDefaultInstance()))
              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
                  io.numaproj.numaflow.sink.v1.SinkOuterClass.SinkResponse.getDefaultInstance()))
              .setSchemaDescriptor(new SinkMethodDescriptorSupplier("SinkFn"))
              .build();
        }
      }
    }
    return getSinkFnMethod;
  }

  private static volatile io.grpc.MethodDescriptor getIsReadyMethod;

  @io.grpc.stub.annotations.RpcMethod(
      fullMethodName = SERVICE_NAME + '/' + "IsReady",
      requestType = com.google.protobuf.Empty.class,
      responseType = io.numaproj.numaflow.sink.v1.SinkOuterClass.ReadyResponse.class,
      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
  public static io.grpc.MethodDescriptor getIsReadyMethod() {
    io.grpc.MethodDescriptor getIsReadyMethod;
    if ((getIsReadyMethod = SinkGrpc.getIsReadyMethod) == null) {
      synchronized (SinkGrpc.class) {
        if ((getIsReadyMethod = SinkGrpc.getIsReadyMethod) == null) {
          SinkGrpc.getIsReadyMethod = getIsReadyMethod =
              io.grpc.MethodDescriptor.newBuilder()
              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "IsReady"))
              .setSampledToLocalTracing(true)
              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
                  com.google.protobuf.Empty.getDefaultInstance()))
              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
                  io.numaproj.numaflow.sink.v1.SinkOuterClass.ReadyResponse.getDefaultInstance()))
              .setSchemaDescriptor(new SinkMethodDescriptorSupplier("IsReady"))
              .build();
        }
      }
    }
    return getIsReadyMethod;
  }

  /**
   * Creates a new async stub that supports all call types for the service
   */
  public static SinkStub newStub(io.grpc.Channel channel) {
    io.grpc.stub.AbstractStub.StubFactory factory =
      new io.grpc.stub.AbstractStub.StubFactory() {
        @java.lang.Override
        public SinkStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
          return new SinkStub(channel, callOptions);
        }
      };
    return SinkStub.newStub(factory, channel);
  }

  /**
   * Creates a new blocking-style stub that supports unary and streaming output calls on the service
   */
  public static SinkBlockingStub newBlockingStub(
      io.grpc.Channel channel) {
    io.grpc.stub.AbstractStub.StubFactory factory =
      new io.grpc.stub.AbstractStub.StubFactory() {
        @java.lang.Override
        public SinkBlockingStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
          return new SinkBlockingStub(channel, callOptions);
        }
      };
    return SinkBlockingStub.newStub(factory, channel);
  }

  /**
   * Creates a new ListenableFuture-style stub that supports unary calls on the service
   */
  public static SinkFutureStub newFutureStub(
      io.grpc.Channel channel) {
    io.grpc.stub.AbstractStub.StubFactory factory =
      new io.grpc.stub.AbstractStub.StubFactory() {
        @java.lang.Override
        public SinkFutureStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
          return new SinkFutureStub(channel, callOptions);
        }
      };
    return SinkFutureStub.newStub(factory, channel);
  }

  /**
   */
  public interface AsyncService {

    /**
     *      * SinkFn writes the request to a user defined sink.
     * 
     */
    default io.grpc.stub.StreamObserver sinkFn(
        io.grpc.stub.StreamObserver responseObserver) {
      return io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall(getSinkFnMethod(), responseObserver);
    }

    /**
     *      * IsReady is the heartbeat endpoint for gRPC.
     * 
     */
    default void isReady(com.google.protobuf.Empty request,
        io.grpc.stub.StreamObserver responseObserver) {
      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getIsReadyMethod(), responseObserver);
    }
  }

  /**
   * Base class for the server implementation of the service Sink.
   */
  public static abstract class SinkImplBase
      implements io.grpc.BindableService, AsyncService {

    @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
      return SinkGrpc.bindService(this);
    }
  }

  /**
   * A stub to allow clients to do asynchronous rpc calls to service Sink.
   */
  public static final class SinkStub
      extends io.grpc.stub.AbstractAsyncStub {
    private SinkStub(
        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
      super(channel, callOptions);
    }

    @java.lang.Override
    protected SinkStub build(
        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
      return new SinkStub(channel, callOptions);
    }

    /**
     *      * SinkFn writes the request to a user defined sink.
     * 
     */
    public io.grpc.stub.StreamObserver sinkFn(
        io.grpc.stub.StreamObserver responseObserver) {
      return io.grpc.stub.ClientCalls.asyncBidiStreamingCall(
          getChannel().newCall(getSinkFnMethod(), getCallOptions()), responseObserver);
    }

    /**
     *      * IsReady is the heartbeat endpoint for gRPC.
     * 
     */
    public void isReady(com.google.protobuf.Empty request,
        io.grpc.stub.StreamObserver responseObserver) {
      io.grpc.stub.ClientCalls.asyncUnaryCall(
          getChannel().newCall(getIsReadyMethod(), getCallOptions()), request, responseObserver);
    }
  }

  /**
   * A stub to allow clients to do synchronous rpc calls to service Sink.
   */
  public static final class SinkBlockingStub
      extends io.grpc.stub.AbstractBlockingStub {
    private SinkBlockingStub(
        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
      super(channel, callOptions);
    }

    @java.lang.Override
    protected SinkBlockingStub build(
        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
      return new SinkBlockingStub(channel, callOptions);
    }

    /**
     *      * IsReady is the heartbeat endpoint for gRPC.
     * 
     */
    public io.numaproj.numaflow.sink.v1.SinkOuterClass.ReadyResponse isReady(com.google.protobuf.Empty request) {
      return io.grpc.stub.ClientCalls.blockingUnaryCall(
          getChannel(), getIsReadyMethod(), getCallOptions(), request);
    }
  }

  /**
   * A stub to allow clients to do ListenableFuture-style rpc calls to service Sink.
   */
  public static final class SinkFutureStub
      extends io.grpc.stub.AbstractFutureStub {
    private SinkFutureStub(
        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
      super(channel, callOptions);
    }

    @java.lang.Override
    protected SinkFutureStub build(
        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
      return new SinkFutureStub(channel, callOptions);
    }

    /**
     *      * IsReady is the heartbeat endpoint for gRPC.
     * 
     */
    public com.google.common.util.concurrent.ListenableFuture isReady(
        com.google.protobuf.Empty request) {
      return io.grpc.stub.ClientCalls.futureUnaryCall(
          getChannel().newCall(getIsReadyMethod(), getCallOptions()), request);
    }
  }

  private static final int METHODID_IS_READY = 0;
  private static final int METHODID_SINK_FN = 1;

  private static final class MethodHandlers implements
      io.grpc.stub.ServerCalls.UnaryMethod,
      io.grpc.stub.ServerCalls.ServerStreamingMethod,
      io.grpc.stub.ServerCalls.ClientStreamingMethod,
      io.grpc.stub.ServerCalls.BidiStreamingMethod {
    private final AsyncService serviceImpl;
    private final int methodId;

    MethodHandlers(AsyncService serviceImpl, int methodId) {
      this.serviceImpl = serviceImpl;
      this.methodId = methodId;
    }

    @java.lang.Override
    @java.lang.SuppressWarnings("unchecked")
    public void invoke(Req request, io.grpc.stub.StreamObserver responseObserver) {
      switch (methodId) {
        case METHODID_IS_READY:
          serviceImpl.isReady((com.google.protobuf.Empty) request,
              (io.grpc.stub.StreamObserver) responseObserver);
          break;
        default:
          throw new AssertionError();
      }
    }

    @java.lang.Override
    @java.lang.SuppressWarnings("unchecked")
    public io.grpc.stub.StreamObserver invoke(
        io.grpc.stub.StreamObserver responseObserver) {
      switch (methodId) {
        case METHODID_SINK_FN:
          return (io.grpc.stub.StreamObserver) serviceImpl.sinkFn(
              (io.grpc.stub.StreamObserver) responseObserver);
        default:
          throw new AssertionError();
      }
    }
  }

  public static final io.grpc.ServerServiceDefinition bindService(AsyncService service) {
    return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
        .addMethod(
          getSinkFnMethod(),
          io.grpc.stub.ServerCalls.asyncBidiStreamingCall(
            new MethodHandlers<
              io.numaproj.numaflow.sink.v1.SinkOuterClass.SinkRequest,
              io.numaproj.numaflow.sink.v1.SinkOuterClass.SinkResponse>(
                service, METHODID_SINK_FN)))
        .addMethod(
          getIsReadyMethod(),
          io.grpc.stub.ServerCalls.asyncUnaryCall(
            new MethodHandlers<
              com.google.protobuf.Empty,
              io.numaproj.numaflow.sink.v1.SinkOuterClass.ReadyResponse>(
                service, METHODID_IS_READY)))
        .build();
  }

  private static abstract class SinkBaseDescriptorSupplier
      implements io.grpc.protobuf.ProtoFileDescriptorSupplier, io.grpc.protobuf.ProtoServiceDescriptorSupplier {
    SinkBaseDescriptorSupplier() {}

    @java.lang.Override
    public com.google.protobuf.Descriptors.FileDescriptor getFileDescriptor() {
      return io.numaproj.numaflow.sink.v1.SinkOuterClass.getDescriptor();
    }

    @java.lang.Override
    public com.google.protobuf.Descriptors.ServiceDescriptor getServiceDescriptor() {
      return getFileDescriptor().findServiceByName("Sink");
    }
  }

  private static final class SinkFileDescriptorSupplier
      extends SinkBaseDescriptorSupplier {
    SinkFileDescriptorSupplier() {}
  }

  private static final class SinkMethodDescriptorSupplier
      extends SinkBaseDescriptorSupplier
      implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
    private final java.lang.String methodName;

    SinkMethodDescriptorSupplier(java.lang.String methodName) {
      this.methodName = methodName;
    }

    @java.lang.Override
    public com.google.protobuf.Descriptors.MethodDescriptor getMethodDescriptor() {
      return getServiceDescriptor().findMethodByName(methodName);
    }
  }

  private static volatile io.grpc.ServiceDescriptor serviceDescriptor;

  public static io.grpc.ServiceDescriptor getServiceDescriptor() {
    io.grpc.ServiceDescriptor result = serviceDescriptor;
    if (result == null) {
      synchronized (SinkGrpc.class) {
        result = serviceDescriptor;
        if (result == null) {
          serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
              .setSchemaDescriptor(new SinkFileDescriptorSupplier())
              .addMethod(getSinkFnMethod())
              .addMethod(getIsReadyMethod())
              .build();
        }
      }
    }
    return result;
  }
}