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WorkflowsClient.java
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WorkflowsClient.java
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/*
* Copyright 2020 Google LLC
*
* 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
*
* https://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 com.google.cloud.workflows.v1beta;
import com.google.api.core.ApiFunction;
import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutures;
import com.google.api.core.BetaApi;
import com.google.api.gax.core.BackgroundResource;
import com.google.api.gax.longrunning.OperationFuture;
import com.google.api.gax.paging.AbstractFixedSizeCollection;
import com.google.api.gax.paging.AbstractPage;
import com.google.api.gax.paging.AbstractPagedListResponse;
import com.google.api.gax.rpc.OperationCallable;
import com.google.api.gax.rpc.PageContext;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.cloud.workflows.v1beta.stub.WorkflowsStub;
import com.google.cloud.workflows.v1beta.stub.WorkflowsStubSettings;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.longrunning.Operation;
import com.google.longrunning.OperationsClient;
import com.google.protobuf.Empty;
import com.google.protobuf.FieldMask;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
import javax.annotation.Generated;
// AUTO-GENERATED DOCUMENTATION AND CLASS.
/**
* Service Description: Workflows is used to deploy and execute workflow programs. Workflows makes
* sure the program executes reliably, despite hardware and networking interruptions.
*
* <p>This class provides the ability to make remote calls to the backing service through method
* calls that map to API methods. Sample code to get started:
*
* <p>Note: close() needs to be called on the WorkflowsClient object to clean up resources such as
* threads. In the example above, try-with-resources is used, which automatically calls close().
*
* <p>The surface of this class includes several types of Java methods for each of the API's
* methods:
*
* <ol>
* <li>A "flattened" method. With this type of method, the fields of the request type have been
* converted into function parameters. It may be the case that not all fields are available as
* parameters, and not every API method will have a flattened method entry point.
* <li>A "request object" method. This type of method only takes one parameter, a request object,
* which must be constructed before the call. Not every API method will have a request object
* method.
* <li>A "callable" method. This type of method takes no parameters and returns an immutable API
* callable object, which can be used to initiate calls to the service.
* </ol>
*
* <p>See the individual methods for example code.
*
* <p>Many parameters require resource names to be formatted in a particular way. To assist with
* these names, this class includes a format method for each type of name, and additionally a parse
* method to extract the individual identifiers contained within names that are returned.
*
* <p>This class can be customized by passing in a custom instance of WorkflowsSettings to create().
* For example:
*
* <p>To customize credentials:
*
* <pre>{@code
* WorkflowsSettings workflowsSettings =
* WorkflowsSettings.newBuilder()
* .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
* .build();
* WorkflowsClient workflowsClient = WorkflowsClient.create(workflowsSettings);
* }</pre>
*
* <p>To customize the endpoint:
*
* <pre>{@code
* WorkflowsSettings workflowsSettings =
* WorkflowsSettings.newBuilder().setEndpoint(myEndpoint).build();
* WorkflowsClient workflowsClient = WorkflowsClient.create(workflowsSettings);
* }</pre>
*
* <p>Please refer to the GitHub repository's samples for more quickstart code snippets.
*/
@BetaApi
@Generated("by gapic-generator")
public class WorkflowsClient implements BackgroundResource {
private final WorkflowsSettings settings;
private final WorkflowsStub stub;
private final OperationsClient operationsClient;
/** Constructs an instance of WorkflowsClient with default settings. */
public static final WorkflowsClient create() throws IOException {
return create(WorkflowsSettings.newBuilder().build());
}
/**
* Constructs an instance of WorkflowsClient, using the given settings. The channels are created
* based on the settings passed in, or defaults for any settings that are not set.
*/
public static final WorkflowsClient create(WorkflowsSettings settings) throws IOException {
return new WorkflowsClient(settings);
}
/**
* Constructs an instance of WorkflowsClient, using the given stub for making calls. This is for
* advanced usage - prefer using create(WorkflowsSettings).
*/
@BetaApi("A restructuring of stub classes is planned, so this may break in the future")
public static final WorkflowsClient create(WorkflowsStub stub) {
return new WorkflowsClient(stub);
}
/**
* Constructs an instance of WorkflowsClient, using the given settings. This is protected so that
* it is easy to make a subclass, but otherwise, the static factory methods should be preferred.
*/
protected WorkflowsClient(WorkflowsSettings settings) throws IOException {
this.settings = settings;
this.stub = ((WorkflowsStubSettings) settings.getStubSettings()).createStub();
this.operationsClient = OperationsClient.create(this.stub.getOperationsStub());
}
@BetaApi("A restructuring of stub classes is planned, so this may break in the future")
protected WorkflowsClient(WorkflowsStub stub) {
this.settings = null;
this.stub = stub;
this.operationsClient = OperationsClient.create(this.stub.getOperationsStub());
}
public final WorkflowsSettings getSettings() {
return settings;
}
@BetaApi("A restructuring of stub classes is planned, so this may break in the future")
public WorkflowsStub getStub() {
return stub;
}
/**
* Returns the OperationsClient that can be used to query the status of a long-running operation
* returned by another API method call.
*/
public final OperationsClient getOperationsClient() {
return operationsClient;
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Lists Workflows in a given project and location. The default order is not specified.
*
* @param parent Required. Project and location from which the workflows should be listed. Format:
* projects/{project}/locations/{location}
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final ListWorkflowsPagedResponse listWorkflows(LocationName parent) {
ListWorkflowsRequest request =
ListWorkflowsRequest.newBuilder()
.setParent(parent == null ? null : parent.toString())
.build();
return listWorkflows(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Lists Workflows in a given project and location. The default order is not specified.
*
* @param parent Required. Project and location from which the workflows should be listed. Format:
* projects/{project}/locations/{location}
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final ListWorkflowsPagedResponse listWorkflows(String parent) {
ListWorkflowsRequest request = ListWorkflowsRequest.newBuilder().setParent(parent).build();
return listWorkflows(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Lists Workflows in a given project and location. The default order is not specified.
*
* @param request The request object containing all of the parameters for the API call.
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final ListWorkflowsPagedResponse listWorkflows(ListWorkflowsRequest request) {
return listWorkflowsPagedCallable().call(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Lists Workflows in a given project and location. The default order is not specified.
*
* <p>Sample code:
*/
public final UnaryCallable<ListWorkflowsRequest, ListWorkflowsPagedResponse>
listWorkflowsPagedCallable() {
return stub.listWorkflowsPagedCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Lists Workflows in a given project and location. The default order is not specified.
*
* <p>Sample code:
*/
public final UnaryCallable<ListWorkflowsRequest, ListWorkflowsResponse> listWorkflowsCallable() {
return stub.listWorkflowsCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Gets details of a single Workflow.
*
* @param name Required. Name of the workflow which information should be retrieved. Format:
* projects/{project}/locations/{location}/workflows/{workflow}
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final Workflow getWorkflow(WorkflowName name) {
GetWorkflowRequest request =
GetWorkflowRequest.newBuilder().setName(name == null ? null : name.toString()).build();
return getWorkflow(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Gets details of a single Workflow.
*
* @param name Required. Name of the workflow which information should be retrieved. Format:
* projects/{project}/locations/{location}/workflows/{workflow}
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final Workflow getWorkflow(String name) {
GetWorkflowRequest request = GetWorkflowRequest.newBuilder().setName(name).build();
return getWorkflow(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Gets details of a single Workflow.
*
* @param request The request object containing all of the parameters for the API call.
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final Workflow getWorkflow(GetWorkflowRequest request) {
return getWorkflowCallable().call(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Gets details of a single Workflow.
*
* <p>Sample code:
*/
public final UnaryCallable<GetWorkflowRequest, Workflow> getWorkflowCallable() {
return stub.getWorkflowCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Creates a new workflow. If a workflow with the specified name already exists in the specified
* project and location, the long running operation will return
* [ALREADY_EXISTS][google.rpc.Code.ALREADY_EXISTS] error.
*
* @param parent Required. Project and location in which the workflow should be created. Format:
* projects/{project}/locations/{location}
* @param workflow Required. Workflow to be created.
* @param workflow_id Required. The ID of the workflow to be created. It has to fulfill the
* following requirements:
* <ul>
* <li>Must contain only letters, numbers, underscores and hyphens.
* <li>Must start with a letter.
* <li>Must be between 1-64 characters.
* <li>Must end with a number or a letter.
* <li>Must be unique within the customer project and location.
* </ul>
*
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Workflow, OperationMetadata> createWorkflowAsync(
LocationName parent, Workflow workflow, String workflowId) {
CreateWorkflowRequest request =
CreateWorkflowRequest.newBuilder()
.setParent(parent == null ? null : parent.toString())
.setWorkflow(workflow)
.setWorkflowId(workflowId)
.build();
return createWorkflowAsync(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Creates a new workflow. If a workflow with the specified name already exists in the specified
* project and location, the long running operation will return
* [ALREADY_EXISTS][google.rpc.Code.ALREADY_EXISTS] error.
*
* @param parent Required. Project and location in which the workflow should be created. Format:
* projects/{project}/locations/{location}
* @param workflow Required. Workflow to be created.
* @param workflow_id Required. The ID of the workflow to be created. It has to fulfill the
* following requirements:
* <ul>
* <li>Must contain only letters, numbers, underscores and hyphens.
* <li>Must start with a letter.
* <li>Must be between 1-64 characters.
* <li>Must end with a number or a letter.
* <li>Must be unique within the customer project and location.
* </ul>
*
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Workflow, OperationMetadata> createWorkflowAsync(
String parent, Workflow workflow, String workflowId) {
CreateWorkflowRequest request =
CreateWorkflowRequest.newBuilder()
.setParent(parent)
.setWorkflow(workflow)
.setWorkflowId(workflowId)
.build();
return createWorkflowAsync(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Creates a new workflow. If a workflow with the specified name already exists in the specified
* project and location, the long running operation will return
* [ALREADY_EXISTS][google.rpc.Code.ALREADY_EXISTS] error.
*
* @param request The request object containing all of the parameters for the API call.
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Workflow, OperationMetadata> createWorkflowAsync(
CreateWorkflowRequest request) {
return createWorkflowOperationCallable().futureCall(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Creates a new workflow. If a workflow with the specified name already exists in the specified
* project and location, the long running operation will return
* [ALREADY_EXISTS][google.rpc.Code.ALREADY_EXISTS] error.
*
* <p>Sample code:
*/
public final OperationCallable<CreateWorkflowRequest, Workflow, OperationMetadata>
createWorkflowOperationCallable() {
return stub.createWorkflowOperationCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Creates a new workflow. If a workflow with the specified name already exists in the specified
* project and location, the long running operation will return
* [ALREADY_EXISTS][google.rpc.Code.ALREADY_EXISTS] error.
*
* <p>Sample code:
*/
public final UnaryCallable<CreateWorkflowRequest, Operation> createWorkflowCallable() {
return stub.createWorkflowCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Deletes a workflow with the specified name. This method also cancels and deletes all running
* executions of the workflow.
*
* @param name Required. Name of the workflow to be deleted. Format:
* projects/{project}/locations/{location}/workflows/{workflow}
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Empty, OperationMetadata> deleteWorkflowAsync(WorkflowName name) {
DeleteWorkflowRequest request =
DeleteWorkflowRequest.newBuilder().setName(name == null ? null : name.toString()).build();
return deleteWorkflowAsync(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Deletes a workflow with the specified name. This method also cancels and deletes all running
* executions of the workflow.
*
* @param name Required. Name of the workflow to be deleted. Format:
* projects/{project}/locations/{location}/workflows/{workflow}
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Empty, OperationMetadata> deleteWorkflowAsync(String name) {
DeleteWorkflowRequest request = DeleteWorkflowRequest.newBuilder().setName(name).build();
return deleteWorkflowAsync(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Deletes a workflow with the specified name. This method also cancels and deletes all running
* executions of the workflow.
*
* @param request The request object containing all of the parameters for the API call.
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Empty, OperationMetadata> deleteWorkflowAsync(
DeleteWorkflowRequest request) {
return deleteWorkflowOperationCallable().futureCall(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Deletes a workflow with the specified name. This method also cancels and deletes all running
* executions of the workflow.
*
* <p>Sample code:
*/
public final OperationCallable<DeleteWorkflowRequest, Empty, OperationMetadata>
deleteWorkflowOperationCallable() {
return stub.deleteWorkflowOperationCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Deletes a workflow with the specified name. This method also cancels and deletes all running
* executions of the workflow.
*
* <p>Sample code:
*/
public final UnaryCallable<DeleteWorkflowRequest, Operation> deleteWorkflowCallable() {
return stub.deleteWorkflowCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Updates an existing workflow. Running this method has no impact on already running executions
* of the workflow. A new revision of the workflow may be created as a result of a successful
* update operation. In that case, such revision will be used in new workflow executions.
*
* @param workflow Required. Workflow to be updated.
* @param update_mask List of fields to be updated. If not present, the entire workflow will be
* updated.
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Workflow, OperationMetadata> updateWorkflowAsync(
Workflow workflow, FieldMask updateMask) {
UpdateWorkflowRequest request =
UpdateWorkflowRequest.newBuilder().setWorkflow(workflow).setUpdateMask(updateMask).build();
return updateWorkflowAsync(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Updates an existing workflow. Running this method has no impact on already running executions
* of the workflow. A new revision of the workflow may be created as a result of a successful
* update operation. In that case, such revision will be used in new workflow executions.
*
* @param request The request object containing all of the parameters for the API call.
* @throws com.google.api.gax.rpc.ApiException if the remote call fails
*/
public final OperationFuture<Workflow, OperationMetadata> updateWorkflowAsync(
UpdateWorkflowRequest request) {
return updateWorkflowOperationCallable().futureCall(request);
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Updates an existing workflow. Running this method has no impact on already running executions
* of the workflow. A new revision of the workflow may be created as a result of a successful
* update operation. In that case, such revision will be used in new workflow executions.
*
* <p>Sample code:
*/
public final OperationCallable<UpdateWorkflowRequest, Workflow, OperationMetadata>
updateWorkflowOperationCallable() {
return stub.updateWorkflowOperationCallable();
}
// AUTO-GENERATED DOCUMENTATION AND METHOD.
/**
* Updates an existing workflow. Running this method has no impact on already running executions
* of the workflow. A new revision of the workflow may be created as a result of a successful
* update operation. In that case, such revision will be used in new workflow executions.
*
* <p>Sample code:
*/
public final UnaryCallable<UpdateWorkflowRequest, Operation> updateWorkflowCallable() {
return stub.updateWorkflowCallable();
}
@Override
public final void close() {
stub.close();
}
@Override
public void shutdown() {
stub.shutdown();
}
@Override
public boolean isShutdown() {
return stub.isShutdown();
}
@Override
public boolean isTerminated() {
return stub.isTerminated();
}
@Override
public void shutdownNow() {
stub.shutdownNow();
}
@Override
public boolean awaitTermination(long duration, TimeUnit unit) throws InterruptedException {
return stub.awaitTermination(duration, unit);
}
public static class ListWorkflowsPagedResponse
extends AbstractPagedListResponse<
ListWorkflowsRequest,
ListWorkflowsResponse,
Workflow,
ListWorkflowsPage,
ListWorkflowsFixedSizeCollection> {
public static ApiFuture<ListWorkflowsPagedResponse> createAsync(
PageContext<ListWorkflowsRequest, ListWorkflowsResponse, Workflow> context,
ApiFuture<ListWorkflowsResponse> futureResponse) {
ApiFuture<ListWorkflowsPage> futurePage =
ListWorkflowsPage.createEmptyPage().createPageAsync(context, futureResponse);
return ApiFutures.transform(
futurePage,
new ApiFunction<ListWorkflowsPage, ListWorkflowsPagedResponse>() {
@Override
public ListWorkflowsPagedResponse apply(ListWorkflowsPage input) {
return new ListWorkflowsPagedResponse(input);
}
},
MoreExecutors.directExecutor());
}
private ListWorkflowsPagedResponse(ListWorkflowsPage page) {
super(page, ListWorkflowsFixedSizeCollection.createEmptyCollection());
}
}
public static class ListWorkflowsPage
extends AbstractPage<
ListWorkflowsRequest, ListWorkflowsResponse, Workflow, ListWorkflowsPage> {
private ListWorkflowsPage(
PageContext<ListWorkflowsRequest, ListWorkflowsResponse, Workflow> context,
ListWorkflowsResponse response) {
super(context, response);
}
private static ListWorkflowsPage createEmptyPage() {
return new ListWorkflowsPage(null, null);
}
@Override
protected ListWorkflowsPage createPage(
PageContext<ListWorkflowsRequest, ListWorkflowsResponse, Workflow> context,
ListWorkflowsResponse response) {
return new ListWorkflowsPage(context, response);
}
@Override
public ApiFuture<ListWorkflowsPage> createPageAsync(
PageContext<ListWorkflowsRequest, ListWorkflowsResponse, Workflow> context,
ApiFuture<ListWorkflowsResponse> futureResponse) {
return super.createPageAsync(context, futureResponse);
}
}
public static class ListWorkflowsFixedSizeCollection
extends AbstractFixedSizeCollection<
ListWorkflowsRequest,
ListWorkflowsResponse,
Workflow,
ListWorkflowsPage,
ListWorkflowsFixedSizeCollection> {
private ListWorkflowsFixedSizeCollection(List<ListWorkflowsPage> pages, int collectionSize) {
super(pages, collectionSize);
}
private static ListWorkflowsFixedSizeCollection createEmptyCollection() {
return new ListWorkflowsFixedSizeCollection(null, 0);
}
@Override
protected ListWorkflowsFixedSizeCollection createCollection(
List<ListWorkflowsPage> pages, int collectionSize) {
return new ListWorkflowsFixedSizeCollection(pages, collectionSize);
}
}
}