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Examples of Tasks, Workflows and Launch plans written in Java.

There is a newer version: 0.4.60

/*
 * Copyright 2021 Flyte Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.flyte.examples;

import com.google.auto.service.AutoService;
import com.google.auto.value.AutoValue;
import org.flyte.flytekit.SdkBindingData;
import org.flyte.flytekit.SdkWorkflow;
import org.flyte.flytekit.SdkWorkflowBuilder;
import org.flyte.flytekit.jackson.JacksonSdkType;

@AutoService(SdkWorkflow.class)
public class UberWorkflow extends SdkWorkflow {

  @AutoValue
  public abstract static class Input {

    public abstract SdkBindingData a();

    public abstract SdkBindingData b();

    public abstract SdkBindingData c();

    public abstract SdkBindingData d();

    public static UberWorkflow.Input create(
        SdkBindingData a,
        SdkBindingData b,
        SdkBindingData c,
        SdkBindingData d) {
      return new AutoValue_UberWorkflow_Input(a, b, c, d);
    }
  }

  public UberWorkflow() {
    super(JacksonSdkType.of(UberWorkflow.Input.class), JacksonSdkType.of(SubWorkflow.Output.class));
  }

  @Override
  public SubWorkflow.Output expand(SdkWorkflowBuilder builder, Input input) {
    SdkBindingData a = input.a();
    SdkBindingData b = input.b();
    SdkBindingData c = input.c();
    SdkBindingData d = input.d();
    SdkBindingData ab =
        builder
            .apply("sub-1", new SubWorkflow(), SubWorkflow.Input.create(a, b))
            .getOutputs()
            .result();
    SdkBindingData abc =
        builder
            .apply("sub-2", new SubWorkflow(), SubWorkflow.Input.create(ab, c))
            .getOutputs()
            .result();
    SdkBindingData abcd =
        builder.apply("post-sum", new SumTask(), SumTask.SumInput.create(abc, d)).getOutputs();
    return SubWorkflow.Output.create(abcd);
  }
}