C# Func.InvokeOrDefault方法代码示例

		/// <inheritdoc/>
		public Task<ICatResponse<CatAliasesRecord>> CatAliasesAsync(Func<CatAliasesDescriptor, ICatAliasesRequest> selector = null) =>
			this.CatAliasesAsync(selector.InvokeOrDefault(new CatAliasesDescriptor()));

		/// <inheritdoc/>
		public ISnapshotStatusResponse SnapshotStatus(Func<SnapshotStatusDescriptor, ISnapshotStatusRequest> selector = null) =>
			this.SnapshotStatus(selector.InvokeOrDefault(new SnapshotStatusDescriptor()));

		/// <inheritdoc/>
		public IClusterGetSettingsResponse ClusterGetSettings(Func<ClusterGetSettingsDescriptor, IClusterGetSettingsRequest> selector = null) =>
			this.ClusterGetSettings(selector.InvokeOrDefault(new ClusterGetSettingsDescriptor()));

		/// <inheritdoc/>
		public Task<IPutAliasResponse> PutAliasAsync(Indices indices, Name alias, Func<PutAliasDescriptor, IPutAliasRequest> selector = null) =>
			this.PutAliasAsync(selector.InvokeOrDefault(new PutAliasDescriptor(indices, alias)));

		/// <inheritdoc/>
		public Task<ICatResponse<CatThreadPoolRecord>> CatThreadPoolAsync(
			Func<CatThreadPoolDescriptor, ICatThreadPoolRequest> selector = null,
			CancellationToken cancellationToken = default(CancellationToken)
		) => this.CatThreadPoolAsync(selector.InvokeOrDefault(new CatThreadPoolDescriptor()), cancellationToken);

		/// <inheritdoc/>
		public Task<IPutUserResponse> PutUserAsync(Name username, Func<PutUserDescriptor, IPutUserRequest> selector = null) =>
			this.PutUserAsync(selector.InvokeOrDefault(new PutUserDescriptor(username)));

		/// <inheritdoc/>
		public IRootNodeInfoResponse RootNodeInfo(Func<RootNodeInfoDescriptor, IRootNodeInfoRequest> selector = null) =>
			this.RootNodeInfo(selector.InvokeOrDefault(new RootNodeInfoDescriptor()));

		/// <inheritdoc/>
		public Task<ISnapshotResponse> SnapshotAsync(Name repository, Name snapshotName, Func<SnapshotDescriptor, ISnapshotRequest> selector = null, CancellationToken cancellationToken = default(CancellationToken)) =>
			this.SnapshotAsync(selector.InvokeOrDefault(new SnapshotDescriptor(repository, snapshotName)), cancellationToken);

		/// <inheritdoc/>
		public IDeleteRoleResponse DeleteRole(Name role, Func<DeleteRoleDescriptor, IDeleteRoleRequest> selector = null) =>
			this.DeleteRole(selector.InvokeOrDefault(new DeleteRoleDescriptor(role)));

		/// <inheritdoc/>
		public ICatResponse<CatHelpRecord> CatHelp(Func<CatHelpDescriptor, ICatHelpRequest> selector = null) =>
			this.CatHelp(selector.InvokeOrDefault(new CatHelpDescriptor()));

		/// <inheritdoc/>
		public ISnapshotResponse Snapshot(Name repository, Name snapshotName, Func<SnapshotDescriptor, ISnapshotRequest> selector = null) =>
			this.Snapshot(selector.InvokeOrDefault(new SnapshotDescriptor(repository, snapshotName)));

		/// <inheritdoc/>
		public Task<IExistsResponse> IndexTemplateExistsAsync(Name template, Func<IndexTemplateExistsDescriptor, IIndexTemplateExistsRequest> selector = null) => 
			this.IndexTemplateExistsAsync(selector.InvokeOrDefault(new IndexTemplateExistsDescriptor(template)));

		/// <inheritdoc/>
		public Task<IStartWatcherResponse> StartWatcherAsync(Func<StartWatcherDescriptor, IStartWatcherRequest> selector = null, CancellationToken cancellationToken = default(CancellationToken)) =>
			this.StartWatcherAsync(selector.InvokeOrDefault(new StartWatcherDescriptor()), cancellationToken);

		/// <inheritdoc/>
		public IStartWatcherResponse StartWatcher(Func<StartWatcherDescriptor, IStartWatcherRequest> selector = null) =>
			this.StartWatcher(selector.InvokeOrDefault(new StartWatcherDescriptor()));

		/// <inheritdoc/>
		public Task<IPutUserResponse> PutUserAsync(Name username, Func<PutUserDescriptor, IPutUserRequest> selector = null, CancellationToken cancellationToken = default(CancellationToken)) =>
			this.PutUserAsync(selector.InvokeOrDefault(new PutUserDescriptor(username)), cancellationToken);