DatabasesClientImpl.java

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
// Code generated by Microsoft (R) AutoRest Code Generator.

package com.azure.resourcemanager.cosmos.implementation;

import com.azure.core.annotation.ExpectedResponses;
import com.azure.core.annotation.Get;
import com.azure.core.annotation.HeaderParam;
import com.azure.core.annotation.Headers;
import com.azure.core.annotation.Host;
import com.azure.core.annotation.HostParam;
import com.azure.core.annotation.PathParam;
import com.azure.core.annotation.QueryParam;
import com.azure.core.annotation.ReturnType;
import com.azure.core.annotation.ServiceInterface;
import com.azure.core.annotation.ServiceMethod;
import com.azure.core.annotation.UnexpectedResponseExceptionType;
import com.azure.core.http.rest.PagedFlux;
import com.azure.core.http.rest.PagedIterable;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.PagedResponseBase;
import com.azure.core.http.rest.Response;
import com.azure.core.http.rest.RestProxy;
import com.azure.core.management.exception.ManagementException;
import com.azure.core.util.Context;
import com.azure.core.util.FluxUtil;
import com.azure.core.util.logging.ClientLogger;
import com.azure.resourcemanager.cosmos.fluent.DatabasesClient;
import com.azure.resourcemanager.cosmos.fluent.models.MetricDefinitionInner;
import com.azure.resourcemanager.cosmos.fluent.models.MetricInner;
import com.azure.resourcemanager.cosmos.fluent.models.UsageInner;
import com.azure.resourcemanager.cosmos.models.MetricDefinitionsListResult;
import com.azure.resourcemanager.cosmos.models.MetricListResult;
import com.azure.resourcemanager.cosmos.models.UsagesResult;
import reactor.core.publisher.Mono;

/** An instance of this class provides access to all the operations defined in DatabasesClient. */
public final class DatabasesClientImpl implements DatabasesClient {
    private final ClientLogger logger = new ClientLogger(DatabasesClientImpl.class);

    /** The proxy service used to perform REST calls. */
    private final DatabasesService service;

    /** The service client containing this operation class. */
    private final CosmosDBManagementClientImpl client;

    /**
     * Initializes an instance of DatabasesClientImpl.
     *
     * @param client the instance of the service client containing this operation class.
     */
    DatabasesClientImpl(CosmosDBManagementClientImpl client) {
        this.service =
            RestProxy.create(DatabasesService.class, client.getHttpPipeline(), client.getSerializerAdapter());
        this.client = client;
    }

    /**
     * The interface defining all the services for CosmosDBManagementClientDatabases to be used by the proxy service to
     * perform REST calls.
     */
    @Host("{$host}")
    @ServiceInterface(name = "CosmosDBManagementCl")
    private interface DatabasesService {
        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB"
                + "/databaseAccounts/{accountName}/databases/{databaseRid}/metrics")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<MetricListResult>> listMetrics(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @PathParam("databaseRid") String databaseRid,
            @QueryParam("api-version") String apiVersion,
            @QueryParam("$filter") String filter,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB"
                + "/databaseAccounts/{accountName}/databases/{databaseRid}/usages")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<UsagesResult>> listUsages(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @PathParam("databaseRid") String databaseRid,
            @QueryParam("api-version") String apiVersion,
            @QueryParam("$filter") String filter,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB"
                + "/databaseAccounts/{accountName}/databases/{databaseRid}/metricDefinitions")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<MetricDefinitionsListResult>> listMetricDefinitions(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @PathParam("databaseRid") String databaseRid,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account and database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricInner>> listMetricsSinglePageAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (databaseRid == null) {
            return Mono.error(new IllegalArgumentException("Parameter databaseRid is required and cannot be null."));
        }
        if (filter == null) {
            return Mono.error(new IllegalArgumentException("Parameter filter is required and cannot be null."));
        }
        final String apiVersion = "2020-09-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listMetrics(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            databaseRid,
                            apiVersion,
                            filter,
                            accept,
                            context))
            .<PagedResponse<MetricInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .subscriberContext(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext())));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account and database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricInner>> listMetricsSinglePageAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (databaseRid == null) {
            return Mono.error(new IllegalArgumentException("Parameter databaseRid is required and cannot be null."));
        }
        if (filter == null) {
            return Mono.error(new IllegalArgumentException("Parameter filter is required and cannot be null."));
        }
        final String apiVersion = "2020-09-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listMetrics(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                databaseRid,
                apiVersion,
                filter,
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account and database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<MetricInner> listMetricsAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter) {
        return new PagedFlux<>(() -> listMetricsSinglePageAsync(resourceGroupName, accountName, databaseRid, filter));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account and database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<MetricInner> listMetricsAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter, Context context) {
        return new PagedFlux<>(
            () -> listMetricsSinglePageAsync(resourceGroupName, accountName, databaseRid, filter, context));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account and database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricInner> listMetrics(
        String resourceGroupName, String accountName, String databaseRid, String filter) {
        return new PagedIterable<>(listMetricsAsync(resourceGroupName, accountName, databaseRid, filter));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account and database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricInner> listMetrics(
        String resourceGroupName, String accountName, String databaseRid, String filter, Context context) {
        return new PagedIterable<>(listMetricsAsync(resourceGroupName, accountName, databaseRid, filter, context));
    }

    /**
     * Retrieves the usages (most recent data) for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<UsageInner>> listUsagesSinglePageAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (databaseRid == null) {
            return Mono.error(new IllegalArgumentException("Parameter databaseRid is required and cannot be null."));
        }
        final String apiVersion = "2020-09-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listUsages(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            databaseRid,
                            apiVersion,
                            filter,
                            accept,
                            context))
            .<PagedResponse<UsageInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .subscriberContext(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext())));
    }

    /**
     * Retrieves the usages (most recent data) for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<UsageInner>> listUsagesSinglePageAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (databaseRid == null) {
            return Mono.error(new IllegalArgumentException("Parameter databaseRid is required and cannot be null."));
        }
        final String apiVersion = "2020-09-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listUsages(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                databaseRid,
                apiVersion,
                filter,
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Retrieves the usages (most recent data) for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<UsageInner> listUsagesAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter) {
        return new PagedFlux<>(() -> listUsagesSinglePageAsync(resourceGroupName, accountName, databaseRid, filter));
    }

    /**
     * Retrieves the usages (most recent data) for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<UsageInner> listUsagesAsync(String resourceGroupName, String accountName, String databaseRid) {
        final String filter = null;
        return new PagedFlux<>(() -> listUsagesSinglePageAsync(resourceGroupName, accountName, databaseRid, filter));
    }

    /**
     * Retrieves the usages (most recent data) for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<UsageInner> listUsagesAsync(
        String resourceGroupName, String accountName, String databaseRid, String filter, Context context) {
        return new PagedFlux<>(
            () -> listUsagesSinglePageAsync(resourceGroupName, accountName, databaseRid, filter, context));
    }

    /**
     * Retrieves the usages (most recent data) for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<UsageInner> listUsages(String resourceGroupName, String accountName, String databaseRid) {
        final String filter = null;
        return new PagedIterable<>(listUsagesAsync(resourceGroupName, accountName, databaseRid, filter));
    }

    /**
     * Retrieves the usages (most recent data) for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<UsageInner> listUsages(
        String resourceGroupName, String accountName, String databaseRid, String filter, Context context) {
        return new PagedIterable<>(listUsagesAsync(resourceGroupName, accountName, databaseRid, filter, context));
    }

    /**
     * Retrieves metric definitions for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricDefinitionInner>> listMetricDefinitionsSinglePageAsync(
        String resourceGroupName, String accountName, String databaseRid) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (databaseRid == null) {
            return Mono.error(new IllegalArgumentException("Parameter databaseRid is required and cannot be null."));
        }
        final String apiVersion = "2020-09-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listMetricDefinitions(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            databaseRid,
                            apiVersion,
                            accept,
                            context))
            .<PagedResponse<MetricDefinitionInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .subscriberContext(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext())));
    }

    /**
     * Retrieves metric definitions for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricDefinitionInner>> listMetricDefinitionsSinglePageAsync(
        String resourceGroupName, String accountName, String databaseRid, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (databaseRid == null) {
            return Mono.error(new IllegalArgumentException("Parameter databaseRid is required and cannot be null."));
        }
        final String apiVersion = "2020-09-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listMetricDefinitions(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                databaseRid,
                apiVersion,
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Retrieves metric definitions for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<MetricDefinitionInner> listMetricDefinitionsAsync(
        String resourceGroupName, String accountName, String databaseRid) {
        return new PagedFlux<>(() -> listMetricDefinitionsSinglePageAsync(resourceGroupName, accountName, databaseRid));
    }

    /**
     * Retrieves metric definitions for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<MetricDefinitionInner> listMetricDefinitionsAsync(
        String resourceGroupName, String accountName, String databaseRid, Context context) {
        return new PagedFlux<>(
            () -> listMetricDefinitionsSinglePageAsync(resourceGroupName, accountName, databaseRid, context));
    }

    /**
     * Retrieves metric definitions for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricDefinitionInner> listMetricDefinitions(
        String resourceGroupName, String accountName, String databaseRid) {
        return new PagedIterable<>(listMetricDefinitionsAsync(resourceGroupName, accountName, databaseRid));
    }

    /**
     * Retrieves metric definitions for the given database.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param databaseRid Cosmos DB database rid.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricDefinitionInner> listMetricDefinitions(
        String resourceGroupName, String accountName, String databaseRid, Context context) {
        return new PagedIterable<>(listMetricDefinitionsAsync(resourceGroupName, accountName, databaseRid, context));
    }
}