Configuring Read-Through Provider

Read-Through provider can be configured in following ways:

Using NCache Manager

  • Click on the cache name in Cache Explorer to open the cache settings.

  • Go to Backing Source tab.

  • Check Enable Read-Through check box to enable it. After enabling it, other options will get enabled as well.

  • Click Add to select assembly that has IReadThruProvider implementation.

  • A new dialog box Add New Provider will open.

  • Enter Provider Name and click on ‘…’ button to browse for assembly implementing IReadThruProvider interface.

  • Browse for the required assembly and select Open.

  • Name of selected assembly will be appeared in Assembly Name and its classes implementing interface will be listed down in Class Name list box.

  • Select the required Read-Through provider. You can also provide the values to your read-through provider class, if required. Just write the parameter name in Parameter field and its value against it under the Value field.

  • Click OK.

Note

These parameters, along with their assigned values, are passed to the selected Read-Through provider when it is initialized on cache start. Providing the parameters is optional.

  • Selected provider class will be listed in Read-Through provider list at Backing Source tab.

Note

You can configure multiple Read-Through providers for a cache.

  • Now deploy the read-through provider assembly along with its dependency assemblies, if any. Click on the Deploy Provider button at the left bottom of the Backing Source tab.

  • Browse for required assemblies.

  • Select all the required assemblies and click Open.

  • Apply the configurations by right clicking on cache name in Cache Explorer and selecting Apply Configuration option.

Using Windows PowerShell

Configure Read-Through

Add-BackingSource cmdlet enable users to configure backing source (read-through, write-through) providers for the specified cache.

The following Command will configure Reader1 read-through provider on demoLocalCache.

Add-BackingSource demoLocalCache AssemblyName C:\Providers\Providers.dll -Class
  NCache.Sample.Providers.Readers.Reader1 -ProviderName reader1 -ReadThru

Remove Read-Through

Remove-BackingSource cmdlet removes the pre-configured backing source providers (read-through or write-through) from the cache or a specified server.

The following command removes the pre-configured read-through provider named MyReader from demoLocalCache.

Remove-BackingSource -CacheName demoLocalCache -ProviderName MyReader –ReadThru