task.go

package batch

// Copyright (c) Microsoft and contributors.  All rights reserved.
//
// 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.
//
// Code generated by Microsoft (R) AutoRest Code Generator.
// Changes may cause incorrect behavior and will be lost if the code is regenerated.

import (
	"context"
	"github.com/Azure/go-autorest/autorest"
	"github.com/Azure/go-autorest/autorest/azure"
	"github.com/Azure/go-autorest/autorest/date"
	"github.com/Azure/go-autorest/autorest/validation"
	"github.com/satori/go.uuid"
	"net/http"
)

// TaskClient is the a client for issuing REST requests to the Azure Batch service.
type TaskClient struct {
	BaseClient
}

// NewTaskClient creates an instance of the TaskClient client.
func NewTaskClient() TaskClient {
	return NewTaskClientWithBaseURI(DefaultBaseURI)
}

// NewTaskClientWithBaseURI creates an instance of the TaskClient client.
func NewTaskClientWithBaseURI(baseURI string) TaskClient {
	return TaskClient{NewWithBaseURI(baseURI)}
}

// Add the maximum lifetime of a task from addition to completion is 7 days. If a task has not completed within 7 days
// of being added it will be terminated by the Batch service and left in whatever state it was in at that time.
//
// jobID is the ID of the job to which the task is to be added. task is the task to be added. timeout is the
// maximum time that the server can spend processing the request, in seconds. The default is 30 seconds.
// clientRequestID is the caller-generated request identity, in the form of a GUID with no decoration such as curly
// braces, e.g. 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should return the
// client-request-id in the response. ocpDate is the time the request was issued. Client libraries typically set
// this to the current system clock time; set it explicitly if you are calling the REST API directly.
func (client TaskClient) Add(ctx context.Context, jobID string, task TaskAddParameter, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (result autorest.Response, err error) {
	if err := validation.Validate([]validation.Validation{
		{TargetValue: task,
			Constraints: []validation.Constraint{{Target: "task.ID", Name: validation.Null, Rule: true, Chain: nil},
				{Target: "task.CommandLine", Name: validation.Null, Rule: true, Chain: nil},
				{Target: "task.ContainerSettings", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "task.ContainerSettings.ImageName", Name: validation.Null, Rule: true, Chain: nil},
						{Target: "task.ContainerSettings.Registry", Name: validation.Null, Rule: false,
							Chain: []validation.Constraint{{Target: "task.ContainerSettings.Registry.UserName", Name: validation.Null, Rule: true, Chain: nil},
								{Target: "task.ContainerSettings.Registry.Password", Name: validation.Null, Rule: true, Chain: nil},
							}},
					}},
				{Target: "task.AffinityInfo", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "task.AffinityInfo.AffinityID", Name: validation.Null, Rule: true, Chain: nil}}},
				{Target: "task.MultiInstanceSettings", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "task.MultiInstanceSettings.CoordinationCommandLine", Name: validation.Null, Rule: true, Chain: nil}}}}}}); err != nil {
		return result, validation.NewError("batch.TaskClient", "Add", err.Error())
	}

	req, err := client.AddPreparer(ctx, jobID, task, timeout, clientRequestID, returnClientRequestID, ocpDate)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Add", nil, "Failure preparing request")
		return
	}

	resp, err := client.AddSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Add", resp, "Failure sending request")
		return
	}

	result, err = client.AddResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Add", resp, "Failure responding to request")
	}

	return
}

// AddPreparer prepares the Add request.
func (client TaskClient) AddPreparer(ctx context.Context, jobID string, task TaskAddParameter, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId": autorest.Encode("path", jobID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; odata=minimalmetadata; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks", pathParameters),
		autorest.WithJSON(task),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// AddSender sends the Add request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) AddSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// AddResponder handles the response to the Add request. The method always
// closes the http.Response Body.
func (client TaskClient) AddResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusCreated),
		autorest.ByClosing())
	result.Response = resp
	return
}

// AddCollection note that each task must have a unique ID. The Batch service may not return the results for each task
// in the same order the tasks were submitted in this request. If the server times out or the connection is closed
// during the request, the request may have been partially or fully processed, or not at all. In such cases, the user
// should re-issue the request. Note that it is up to the user to correctly handle failures when re-issuing a request.
// For example, you should use the same task IDs during a retry so that if the prior operation succeeded, the retry
// will not create extra tasks unexpectedly. If the response contains any tasks which failed to add, a client can retry
// the request. In a retry, it is most efficient to resubmit only tasks that failed to add, and to omit tasks that were
// successfully added on the first attempt. The maximum lifetime of a task from addition to completion is 7 days. If a
// task has not completed within 7 days of being added it will be terminated by the Batch service and left in whatever
// state it was in at that time.
//
// jobID is the ID of the job to which the task collection is to be added. taskCollection is the tasks to be added.
// timeout is the maximum time that the server can spend processing the request, in seconds. The default is 30
// seconds. clientRequestID is the caller-generated request identity, in the form of a GUID with no decoration such
// as curly braces, e.g. 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should
// return the client-request-id in the response. ocpDate is the time the request was issued. Client libraries
// typically set this to the current system clock time; set it explicitly if you are calling the REST API directly.
func (client TaskClient) AddCollection(ctx context.Context, jobID string, taskCollection TaskAddCollectionParameter, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (result TaskAddCollectionResult, err error) {
	if err := validation.Validate([]validation.Validation{
		{TargetValue: taskCollection,
			Constraints: []validation.Constraint{{Target: "taskCollection.Value", Name: validation.Null, Rule: true,
				Chain: []validation.Constraint{{Target: "taskCollection.Value", Name: validation.MaxItems, Rule: 100, Chain: nil}}}}}}); err != nil {
		return result, validation.NewError("batch.TaskClient", "AddCollection", err.Error())
	}

	req, err := client.AddCollectionPreparer(ctx, jobID, taskCollection, timeout, clientRequestID, returnClientRequestID, ocpDate)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "AddCollection", nil, "Failure preparing request")
		return
	}

	resp, err := client.AddCollectionSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "AddCollection", resp, "Failure sending request")
		return
	}

	result, err = client.AddCollectionResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "AddCollection", resp, "Failure responding to request")
	}

	return
}

// AddCollectionPreparer prepares the AddCollection request.
func (client TaskClient) AddCollectionPreparer(ctx context.Context, jobID string, taskCollection TaskAddCollectionParameter, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId": autorest.Encode("path", jobID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; odata=minimalmetadata; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/addtaskcollection", pathParameters),
		autorest.WithJSON(taskCollection),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// AddCollectionSender sends the AddCollection request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) AddCollectionSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// AddCollectionResponder handles the response to the AddCollection request. The method always
// closes the http.Response Body.
func (client TaskClient) AddCollectionResponder(resp *http.Response) (result TaskAddCollectionResult, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Delete when a task is deleted, all of the files in its directory on the compute node where it ran are also deleted
// (regardless of the retention time). For multi-instance tasks, the delete task operation applies synchronously to the
// primary task; subtasks and their files are then deleted asynchronously in the background.
//
// jobID is the ID of the job from which to delete the task. taskID is the ID of the task to delete. timeout is the
// maximum time that the server can spend processing the request, in seconds. The default is 30 seconds.
// clientRequestID is the caller-generated request identity, in the form of a GUID with no decoration such as curly
// braces, e.g. 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should return the
// client-request-id in the response. ocpDate is the time the request was issued. Client libraries typically set
// this to the current system clock time; set it explicitly if you are calling the REST API directly. ifMatch is an
// ETag value associated with the version of the resource known to the client. The operation will be performed only
// if the resource's current ETag on the service exactly matches the value specified by the client. ifNoneMatch is
// an ETag value associated with the version of the resource known to the client. The operation will be performed
// only if the resource's current ETag on the service does not match the value specified by the client.
// ifModifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has been modified since the specified time.
// ifUnmodifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has not been modified since the specified time.
func (client TaskClient) Delete(ctx context.Context, jobID string, taskID string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (result autorest.Response, err error) {
	req, err := client.DeletePreparer(ctx, jobID, taskID, timeout, clientRequestID, returnClientRequestID, ocpDate, ifMatch, ifNoneMatch, ifModifiedSince, ifUnmodifiedSince)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Delete", nil, "Failure preparing request")
		return
	}

	resp, err := client.DeleteSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Delete", resp, "Failure sending request")
		return
	}

	result, err = client.DeleteResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Delete", resp, "Failure responding to request")
	}

	return
}

// DeletePreparer prepares the Delete request.
func (client TaskClient) DeletePreparer(ctx context.Context, jobID string, taskID string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId":  autorest.Encode("path", jobID),
		"taskId": autorest.Encode("path", taskID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks/{taskId}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	if len(ifMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Match", autorest.String(ifMatch)))
	}
	if len(ifNoneMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-None-Match", autorest.String(ifNoneMatch)))
	}
	if ifModifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Modified-Since", autorest.String(ifModifiedSince)))
	}
	if ifUnmodifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Unmodified-Since", autorest.String(ifUnmodifiedSince)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// DeleteSender sends the Delete request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) DeleteSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// DeleteResponder handles the response to the Delete request. The method always
// closes the http.Response Body.
func (client TaskClient) DeleteResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByClosing())
	result.Response = resp
	return
}

// Get for multi-instance tasks, information such as affinityId, executionInfo and nodeInfo refer to the primary task.
// Use the list subtasks API to retrieve information about subtasks.
//
// jobID is the ID of the job that contains the task. taskID is the ID of the task to get information about.
// selectParameter is an OData $select clause. expand is an OData $expand clause. timeout is the maximum time that
// the server can spend processing the request, in seconds. The default is 30 seconds. clientRequestID is the
// caller-generated request identity, in the form of a GUID with no decoration such as curly braces, e.g.
// 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should return the
// client-request-id in the response. ocpDate is the time the request was issued. Client libraries typically set
// this to the current system clock time; set it explicitly if you are calling the REST API directly. ifMatch is an
// ETag value associated with the version of the resource known to the client. The operation will be performed only
// if the resource's current ETag on the service exactly matches the value specified by the client. ifNoneMatch is
// an ETag value associated with the version of the resource known to the client. The operation will be performed
// only if the resource's current ETag on the service does not match the value specified by the client.
// ifModifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has been modified since the specified time.
// ifUnmodifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has not been modified since the specified time.
func (client TaskClient) Get(ctx context.Context, jobID string, taskID string, selectParameter string, expand string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (result CloudTask, err error) {
	req, err := client.GetPreparer(ctx, jobID, taskID, selectParameter, expand, timeout, clientRequestID, returnClientRequestID, ocpDate, ifMatch, ifNoneMatch, ifModifiedSince, ifUnmodifiedSince)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Get", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Get", resp, "Failure sending request")
		return
	}

	result, err = client.GetResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Get", resp, "Failure responding to request")
	}

	return
}

// GetPreparer prepares the Get request.
func (client TaskClient) GetPreparer(ctx context.Context, jobID string, taskID string, selectParameter string, expand string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId":  autorest.Encode("path", jobID),
		"taskId": autorest.Encode("path", taskID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(selectParameter) > 0 {
		queryParameters["$select"] = autorest.Encode("query", selectParameter)
	}
	if len(expand) > 0 {
		queryParameters["$expand"] = autorest.Encode("query", expand)
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks/{taskId}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	if len(ifMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Match", autorest.String(ifMatch)))
	}
	if len(ifNoneMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-None-Match", autorest.String(ifNoneMatch)))
	}
	if ifModifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Modified-Since", autorest.String(ifModifiedSince)))
	}
	if ifUnmodifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Unmodified-Since", autorest.String(ifUnmodifiedSince)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetSender sends the Get request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) GetSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// GetResponder handles the response to the Get request. The method always
// closes the http.Response Body.
func (client TaskClient) GetResponder(resp *http.Response) (result CloudTask, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// List for multi-instance tasks, information such as affinityId, executionInfo and nodeInfo refer to the primary task.
// Use the list subtasks API to retrieve information about subtasks.
//
// jobID is the ID of the job. filter is an OData $filter clause. For more information on constructing this filter,
// see https://docs.microsoft.com/en-us/rest/api/batchservice/odata-filters-in-batch#list-tasks. selectParameter is
// an OData $select clause. expand is an OData $expand clause. maxResults is the maximum number of items to return
// in the response. A maximum of 1000 tasks can be returned. timeout is the maximum time that the server can spend
// processing the request, in seconds. The default is 30 seconds. clientRequestID is the caller-generated request
// identity, in the form of a GUID with no decoration such as curly braces, e.g.
// 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should return the
// client-request-id in the response. ocpDate is the time the request was issued. Client libraries typically set
// this to the current system clock time; set it explicitly if you are calling the REST API directly.
func (client TaskClient) List(ctx context.Context, jobID string, filter string, selectParameter string, expand string, maxResults *int32, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (result CloudTaskListResultPage, err error) {
	if err := validation.Validate([]validation.Validation{
		{TargetValue: maxResults,
			Constraints: []validation.Constraint{{Target: "maxResults", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "maxResults", Name: validation.InclusiveMaximum, Rule: 1000, Chain: nil},
					{Target: "maxResults", Name: validation.InclusiveMinimum, Rule: 1, Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("batch.TaskClient", "List", err.Error())
	}

	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx, jobID, filter, selectParameter, expand, maxResults, timeout, clientRequestID, returnClientRequestID, ocpDate)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "List", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListSender(req)
	if err != nil {
		result.ctlr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "List", resp, "Failure sending request")
		return
	}

	result.ctlr, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "List", resp, "Failure responding to request")
	}

	return
}

// ListPreparer prepares the List request.
func (client TaskClient) ListPreparer(ctx context.Context, jobID string, filter string, selectParameter string, expand string, maxResults *int32, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId": autorest.Encode("path", jobID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = autorest.Encode("query", filter)
	}
	if len(selectParameter) > 0 {
		queryParameters["$select"] = autorest.Encode("query", selectParameter)
	}
	if len(expand) > 0 {
		queryParameters["$expand"] = autorest.Encode("query", expand)
	}
	if maxResults != nil {
		queryParameters["maxresults"] = autorest.Encode("query", *maxResults)
	} else {
		queryParameters["maxresults"] = autorest.Encode("query", 1000)
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListSender sends the List request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) ListSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// ListResponder handles the response to the List request. The method always
// closes the http.Response Body.
func (client TaskClient) ListResponder(resp *http.Response) (result CloudTaskListResult, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listNextResults retrieves the next set of results, if any.
func (client TaskClient) listNextResults(lastResults CloudTaskListResult) (result CloudTaskListResult, err error) {
	req, err := lastResults.cloudTaskListResultPreparer()
	if err != nil {
		return result, autorest.NewErrorWithError(err, "batch.TaskClient", "listNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "batch.TaskClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client TaskClient) ListComplete(ctx context.Context, jobID string, filter string, selectParameter string, expand string, maxResults *int32, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (result CloudTaskListResultIterator, err error) {
	result.page, err = client.List(ctx, jobID, filter, selectParameter, expand, maxResults, timeout, clientRequestID, returnClientRequestID, ocpDate)
	return
}

// ListSubtasks if the task is not a multi-instance task then this returns an empty collection.
//
// jobID is the ID of the job. taskID is the ID of the task. selectParameter is an OData $select clause. timeout is
// the maximum time that the server can spend processing the request, in seconds. The default is 30 seconds.
// clientRequestID is the caller-generated request identity, in the form of a GUID with no decoration such as curly
// braces, e.g. 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should return the
// client-request-id in the response. ocpDate is the time the request was issued. Client libraries typically set
// this to the current system clock time; set it explicitly if you are calling the REST API directly.
func (client TaskClient) ListSubtasks(ctx context.Context, jobID string, taskID string, selectParameter string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (result CloudTaskListSubtasksResult, err error) {
	req, err := client.ListSubtasksPreparer(ctx, jobID, taskID, selectParameter, timeout, clientRequestID, returnClientRequestID, ocpDate)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "ListSubtasks", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListSubtasksSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "ListSubtasks", resp, "Failure sending request")
		return
	}

	result, err = client.ListSubtasksResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "ListSubtasks", resp, "Failure responding to request")
	}

	return
}

// ListSubtasksPreparer prepares the ListSubtasks request.
func (client TaskClient) ListSubtasksPreparer(ctx context.Context, jobID string, taskID string, selectParameter string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId":  autorest.Encode("path", jobID),
		"taskId": autorest.Encode("path", taskID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(selectParameter) > 0 {
		queryParameters["$select"] = autorest.Encode("query", selectParameter)
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks/{taskId}/subtasksinfo", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListSubtasksSender sends the ListSubtasks request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) ListSubtasksSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// ListSubtasksResponder handles the response to the ListSubtasks request. The method always
// closes the http.Response Body.
func (client TaskClient) ListSubtasksResponder(resp *http.Response) (result CloudTaskListSubtasksResult, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Reactivate reactivation makes a task eligible to be retried again up to its maximum retry count. The task's state is
// changed to active. As the task is no longer in the completed state, any previous exit code or failure information is
// no longer available after reactivation. Each time a task is reactivated, its retry count is reset to 0. Reactivation
// will fail for tasks that are not completed or that previously completed successfully (with an exit code of 0).
// Additionally, it will fail if the job has completed (or is terminating or deleting).
//
// jobID is the ID of the job containing the task. taskID is the ID of the task to reactivate. timeout is the
// maximum time that the server can spend processing the request, in seconds. The default is 30 seconds.
// clientRequestID is the caller-generated request identity, in the form of a GUID with no decoration such as curly
// braces, e.g. 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should return the
// client-request-id in the response. ocpDate is the time the request was issued. Client libraries typically set
// this to the current system clock time; set it explicitly if you are calling the REST API directly. ifMatch is an
// ETag value associated with the version of the resource known to the client. The operation will be performed only
// if the resource's current ETag on the service exactly matches the value specified by the client. ifNoneMatch is
// an ETag value associated with the version of the resource known to the client. The operation will be performed
// only if the resource's current ETag on the service does not match the value specified by the client.
// ifModifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has been modified since the specified time.
// ifUnmodifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has not been modified since the specified time.
func (client TaskClient) Reactivate(ctx context.Context, jobID string, taskID string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (result autorest.Response, err error) {
	req, err := client.ReactivatePreparer(ctx, jobID, taskID, timeout, clientRequestID, returnClientRequestID, ocpDate, ifMatch, ifNoneMatch, ifModifiedSince, ifUnmodifiedSince)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Reactivate", nil, "Failure preparing request")
		return
	}

	resp, err := client.ReactivateSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Reactivate", resp, "Failure sending request")
		return
	}

	result, err = client.ReactivateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Reactivate", resp, "Failure responding to request")
	}

	return
}

// ReactivatePreparer prepares the Reactivate request.
func (client TaskClient) ReactivatePreparer(ctx context.Context, jobID string, taskID string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId":  autorest.Encode("path", jobID),
		"taskId": autorest.Encode("path", taskID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks/{taskId}/reactivate", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	if len(ifMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Match", autorest.String(ifMatch)))
	}
	if len(ifNoneMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-None-Match", autorest.String(ifNoneMatch)))
	}
	if ifModifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Modified-Since", autorest.String(ifModifiedSince)))
	}
	if ifUnmodifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Unmodified-Since", autorest.String(ifUnmodifiedSince)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ReactivateSender sends the Reactivate request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) ReactivateSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// ReactivateResponder handles the response to the Reactivate request. The method always
// closes the http.Response Body.
func (client TaskClient) ReactivateResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusNoContent),
		autorest.ByClosing())
	result.Response = resp
	return
}

// Terminate when the task has been terminated, it moves to the completed state. For multi-instance tasks, the
// terminate task operation applies synchronously to the primary task; subtasks are then terminated asynchronously in
// the background.
//
// jobID is the ID of the job containing the task. taskID is the ID of the task to terminate. timeout is the
// maximum time that the server can spend processing the request, in seconds. The default is 30 seconds.
// clientRequestID is the caller-generated request identity, in the form of a GUID with no decoration such as curly
// braces, e.g. 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID is whether the server should return the
// client-request-id in the response. ocpDate is the time the request was issued. Client libraries typically set
// this to the current system clock time; set it explicitly if you are calling the REST API directly. ifMatch is an
// ETag value associated with the version of the resource known to the client. The operation will be performed only
// if the resource's current ETag on the service exactly matches the value specified by the client. ifNoneMatch is
// an ETag value associated with the version of the resource known to the client. The operation will be performed
// only if the resource's current ETag on the service does not match the value specified by the client.
// ifModifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has been modified since the specified time.
// ifUnmodifiedSince is a timestamp indicating the last modified time of the resource known to the client. The
// operation will be performed only if the resource on the service has not been modified since the specified time.
func (client TaskClient) Terminate(ctx context.Context, jobID string, taskID string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (result autorest.Response, err error) {
	req, err := client.TerminatePreparer(ctx, jobID, taskID, timeout, clientRequestID, returnClientRequestID, ocpDate, ifMatch, ifNoneMatch, ifModifiedSince, ifUnmodifiedSince)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Terminate", nil, "Failure preparing request")
		return
	}

	resp, err := client.TerminateSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Terminate", resp, "Failure sending request")
		return
	}

	result, err = client.TerminateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Terminate", resp, "Failure responding to request")
	}

	return
}

// TerminatePreparer prepares the Terminate request.
func (client TaskClient) TerminatePreparer(ctx context.Context, jobID string, taskID string, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId":  autorest.Encode("path", jobID),
		"taskId": autorest.Encode("path", taskID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks/{taskId}/terminate", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	if len(ifMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Match", autorest.String(ifMatch)))
	}
	if len(ifNoneMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-None-Match", autorest.String(ifNoneMatch)))
	}
	if ifModifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Modified-Since", autorest.String(ifModifiedSince)))
	}
	if ifUnmodifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Unmodified-Since", autorest.String(ifUnmodifiedSince)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// TerminateSender sends the Terminate request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) TerminateSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// TerminateResponder handles the response to the Terminate request. The method always
// closes the http.Response Body.
func (client TaskClient) TerminateResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusNoContent),
		autorest.ByClosing())
	result.Response = resp
	return
}

// Update updates the properties of the specified task.
//
// jobID is the ID of the job containing the task. taskID is the ID of the task to update. taskUpdateParameter is
// the parameters for the request. timeout is the maximum time that the server can spend processing the request, in
// seconds. The default is 30 seconds. clientRequestID is the caller-generated request identity, in the form of a
// GUID with no decoration such as curly braces, e.g. 9C4D50EE-2D56-4CD3-8152-34347DC9F2B0. returnClientRequestID
// is whether the server should return the client-request-id in the response. ocpDate is the time the request was
// issued. Client libraries typically set this to the current system clock time; set it explicitly if you are
// calling the REST API directly. ifMatch is an ETag value associated with the version of the resource known to the
// client. The operation will be performed only if the resource's current ETag on the service exactly matches the
// value specified by the client. ifNoneMatch is an ETag value associated with the version of the resource known to
// the client. The operation will be performed only if the resource's current ETag on the service does not match
// the value specified by the client. ifModifiedSince is a timestamp indicating the last modified time of the
// resource known to the client. The operation will be performed only if the resource on the service has been
// modified since the specified time. ifUnmodifiedSince is a timestamp indicating the last modified time of the
// resource known to the client. The operation will be performed only if the resource on the service has not been
// modified since the specified time.
func (client TaskClient) Update(ctx context.Context, jobID string, taskID string, taskUpdateParameter TaskUpdateParameter, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (result autorest.Response, err error) {
	req, err := client.UpdatePreparer(ctx, jobID, taskID, taskUpdateParameter, timeout, clientRequestID, returnClientRequestID, ocpDate, ifMatch, ifNoneMatch, ifModifiedSince, ifUnmodifiedSince)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Update", nil, "Failure preparing request")
		return
	}

	resp, err := client.UpdateSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Update", resp, "Failure sending request")
		return
	}

	result, err = client.UpdateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "batch.TaskClient", "Update", resp, "Failure responding to request")
	}

	return
}

// UpdatePreparer prepares the Update request.
func (client TaskClient) UpdatePreparer(ctx context.Context, jobID string, taskID string, taskUpdateParameter TaskUpdateParameter, timeout *int32, clientRequestID *uuid.UUID, returnClientRequestID *bool, ocpDate *date.TimeRFC1123, ifMatch string, ifNoneMatch string, ifModifiedSince *date.TimeRFC1123, ifUnmodifiedSince *date.TimeRFC1123) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"jobId":  autorest.Encode("path", jobID),
		"taskId": autorest.Encode("path", taskID),
	}

	const APIVersion = "2017-09-01.6.0"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if timeout != nil {
		queryParameters["timeout"] = autorest.Encode("query", *timeout)
	} else {
		queryParameters["timeout"] = autorest.Encode("query", 30)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; odata=minimalmetadata; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/jobs/{jobId}/tasks/{taskId}", pathParameters),
		autorest.WithJSON(taskUpdateParameter),
		autorest.WithQueryParameters(queryParameters))
	if clientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("client-request-id", autorest.String(clientRequestID)))
	}
	if returnClientRequestID != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(returnClientRequestID)))
	} else {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("return-client-request-id", autorest.String(false)))
	}
	if ocpDate != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("ocp-date", autorest.String(ocpDate)))
	}
	if len(ifMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Match", autorest.String(ifMatch)))
	}
	if len(ifNoneMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-None-Match", autorest.String(ifNoneMatch)))
	}
	if ifModifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Modified-Since", autorest.String(ifModifiedSince)))
	}
	if ifUnmodifiedSince != nil {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Unmodified-Since", autorest.String(ifUnmodifiedSince)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// UpdateSender sends the Update request. The method will close the
// http.Response Body if it receives an error.
func (client TaskClient) UpdateSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// UpdateResponder handles the response to the Update request. The method always
// closes the http.Response Body.
func (client TaskClient) UpdateResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByClosing())
	result.Response = resp
	return
}