github.com/apache/beam/sdks/v2@v2.48.2/go/test/integration/transforms/xlang/inference/inference.go (about)

     1  // Licensed to the Apache Software Foundation (ASF) under one or more
     2  // contributor license agreements.  See the NOTICE file distributed with
     3  // this work for additional information regarding copyright ownership.
     4  // The ASF licenses this file to You under the Apache License, Version 2.0
     5  // (the "License"); you may not use this file except in compliance with
     6  // the License.  You may obtain a copy of the License at
     7  //
     8  //    http://www.apache.org/licenses/LICENSE-2.0
     9  //
    10  // Unless required by applicable law or agreed to in writing, software
    11  // distributed under the License is distributed on an "AS IS" BASIS,
    12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  
    16  package inference
    17  
    18  import (
    19  	"github.com/apache/beam/sdks/v2/go/pkg/beam"
    20  	_ "github.com/apache/beam/sdks/v2/go/pkg/beam/runners/dataflow"
    21  	_ "github.com/apache/beam/sdks/v2/go/pkg/beam/runners/flink"
    22  	_ "github.com/apache/beam/sdks/v2/go/pkg/beam/runners/universal"
    23  	"github.com/apache/beam/sdks/v2/go/pkg/beam/testing/passert"
    24  	"github.com/apache/beam/sdks/v2/go/pkg/beam/transforms/xlang/inference"
    25  )
    26  
    27  func SklearnInference(expansionAddr string) *beam.Pipeline {
    28  	p, s := beam.NewPipelineWithRoot()
    29  
    30  	inputRow := [][]int64{{0, 0}, {1, 1}}
    31  	input := beam.CreateList(s, inputRow)
    32  	output := []inference.PredictionResult{
    33  		{
    34  			Example:   []int64{0, 0},
    35  			Inference: 0,
    36  		},
    37  		{
    38  			Example:   []int64{1, 1},
    39  			Inference: 1,
    40  		},
    41  	}
    42  	outCol := inference.SklearnModel("/tmp/staged/sklearn_model").RunInference(s, input, inference.WithExpansionAddr(expansionAddr))
    43  	passert.Equals(s, outCol, output[0], output[1])
    44  	return p
    45  }