List workflows using Python or Ruby

Lists workflows using Python or Ruby.

Code sample

C#

Before trying this sample, follow the C# setup instructions in the Workflows quickstart using client libraries. For more information, see the Workflows C# API reference documentation.

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

using Google.Api.Gax;
using Google.Api.Gax.ResourceNames;
using Google.Cloud.Workflows.V1;
using System;

public sealed partial class GeneratedWorkflowsClientSnippets
{
    /// <summary>Snippet for ListWorkflows</summary>
    /// <remarks>
    /// This snippet has been automatically generated and should be regarded as a code template only.
    /// It will require modifications to work:
    /// - It may require correct/in-range values for request initialization.
    /// - It may require specifying regional endpoints when creating the service client as shown in
    ///   https://cloud.google.com/dotnet/docs/reference/help/client-configuration#endpoint.
    /// </remarks>
    public void ListWorkflowsRequestObject()
    {
        // Create client
        WorkflowsClient workflowsClient = WorkflowsClient.Create();
        // Initialize request argument(s)
        ListWorkflowsRequest request = new ListWorkflowsRequest
        {
            ParentAsLocationName = LocationName.FromProjectLocation("[PROJECT]", "[LOCATION]"),
            Filter = "",
            OrderBy = "",
        };
        // Make the request
        PagedEnumerable<ListWorkflowsResponse, Workflow> response = workflowsClient.ListWorkflows(request);

        // Iterate over all response items, lazily performing RPCs as required
        foreach (Workflow item in response)
        {
            // Do something with each item
            Console.WriteLine(item);
        }

        // Or iterate over pages (of server-defined size), performing one RPC per page
        foreach (ListWorkflowsResponse page in response.AsRawResponses())
        {
            // Do something with each page of items
            Console.WriteLine("A page of results:");
            foreach (Workflow item in page)
            {
                // Do something with each item
                Console.WriteLine(item);
            }
        }

        // Or retrieve a single page of known size (unless it's the final page), performing as many RPCs as required
        int pageSize = 10;
        Page<Workflow> singlePage = response.ReadPage(pageSize);
        // Do something with the page of items
        Console.WriteLine($"A page of {pageSize} results (unless it's the final page):");
        foreach (Workflow item in singlePage)
        {
            // Do something with each item
            Console.WriteLine(item);
        }
        // Store the pageToken, for when the next page is required.
        string nextPageToken = singlePage.NextPageToken;
    }
}

Go

Before trying this sample, follow the Go setup instructions in the Workflows quickstart using client libraries. For more information, see the Workflows Go API reference documentation.

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

package main

import (
	"context"

	workflows "cloud.google.com/go/workflows/apiv1"
	workflowspb "cloud.google.com/go/workflows/apiv1/workflowspb"
	"google.golang.org/api/iterator"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := workflows.NewClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &workflowspb.ListWorkflowsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/cloud.google.com/go/workflows/apiv1/workflowspb#ListWorkflowsRequest.
	}
	it := c.ListWorkflows(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp

		// If you need to access the underlying RPC response,
		// you can do so by casting the `Response` as below.
		// Otherwise, remove this line. Only populated after
		// first call to Next(). Not safe for concurrent access.
		_ = it.Response.(*workflowspb.ListWorkflowsResponse)
	}
}

Java

Before trying this sample, follow the Java setup instructions in the Workflows quickstart using client libraries. For more information, see the Workflows Java API reference documentation.

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import com.google.cloud.workflows.v1.ListWorkflowsRequest;
import com.google.cloud.workflows.v1.LocationName;
import com.google.cloud.workflows.v1.Workflow;
import com.google.cloud.workflows.v1.WorkflowsClient;

public class SyncListWorkflows {

  public static void main(String[] args) throws Exception {
    syncListWorkflows();
  }

  public static void syncListWorkflows() throws Exception {
    // This snippet has been automatically generated and should be regarded as a code template only.
    // It will require modifications to work:
    // - It may require correct/in-range values for request initialization.
    // - It may require specifying regional endpoints when creating the service client as shown in
    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    try (WorkflowsClient workflowsClient = WorkflowsClient.create()) {
      ListWorkflowsRequest request =
          ListWorkflowsRequest.newBuilder()
              .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
              .setPageSize(883849137)
              .setPageToken("pageToken873572522")
              .setFilter("filter-1274492040")
              .setOrderBy("orderBy-1207110587")
              .build();
      for (Workflow element : workflowsClient.listWorkflows(request).iterateAll()) {
        // doThingsWith(element);
      }
    }
  }
}

Python

Before trying this sample, follow the Python setup instructions in the Workflows quickstart using client libraries. For more information, see the Workflows Python API reference documentation.

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

# This snippet has been automatically generated and should be regarded as a
# code template only.
# It will require modifications to work:
# - It may require correct/in-range values for request initialization.
# - It may require specifying regional endpoints when creating the service
#   client as shown in:
#   https://googleapis.dev/python/google-api-core/latest/client_options.html
from google.cloud import workflows_v1


def sample_list_workflows():
    # Create a client
    client = workflows_v1.WorkflowsClient()

    # Initialize request argument(s)
    request = workflows_v1.ListWorkflowsRequest(
        parent="parent_value",
    )

    # Make the request
    page_result = client.list_workflows(request=request)

    # Handle the response
    for response in page_result:
        print(response)

Ruby

Before trying this sample, follow the Ruby setup instructions in the Workflows quickstart using client libraries. For more information, see the Workflows Ruby API reference documentation.

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

require "google/cloud/workflows/v1"

##
# Snippet for the list_workflows call in the Workflows service
#
# This snippet has been automatically generated and should be regarded as a code
# template only. It will require modifications to work:
# - It may require correct/in-range values for request initialization.
# - It may require specifying regional endpoints when creating the service
# client as shown in https://cloud.google.com/ruby/docs/reference.
#
# This is an auto-generated example demonstrating basic usage of
# Google::Cloud::Workflows::V1::Workflows::Client#list_workflows.
#
def list_workflows
  # Create a client object. The client can be reused for multiple calls.
  client = Google::Cloud::Workflows::V1::Workflows::Client.new

  # Create a request. To set request fields, pass in keyword arguments.
  request = Google::Cloud::Workflows::V1::ListWorkflowsRequest.new

  # Call the list_workflows method.
  result = client.list_workflows request

  # The returned object is of type Gapic::PagedEnumerable. You can iterate
  # over elements, and API calls will be issued to fetch pages as needed.
  result.each do |item|
    # Each element is of type ::Google::Cloud::Workflows::V1::Workflow.
    p item
  end
end

What's next

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