Configuring Read Through Provider

The Read Through Data Source Provider can be configured in using the NCache Management Center or Command Line Tools in the NCache Java Edition as mentioned below. You can also use these tools to Remove Read-Through when necessary.

Note

This feature is only available in NCache Enterprise.

Configure Read Through Provider Using the NCache Management Center

• Launch the NCache Management Center by browsing to http://localhost:8251 or <server-ip>:8251 on Windows and Linux.

• In the left navigation bar, click on Clustered Caches or Local Caches, based on the cache to which the backing source will be configured. Against the cache name, click on View Details.

• Make sure that the cache is stopped.

• This opens up the detailed configuration page for the cache. Go to the Advanced Settings tab and click on Backing Source in the left bar.

• Check the Enable Read Through box. Choose to add a provider.

• A new page will open up. Enter the Provider Name in the text box and then click on the Browse button to browse for assembly implementing the IReadThruProvider interface. Select the class name from the drop-down list.

• 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 the Parameter field and its value against it under the Value field.

• Click OK.

• The selected provider class will be listed in the Read-Through Provider list in the Backing Source tab.

• Now deploy the Read-Through Provider assembly along with its dependent assemblies, if any. Click on the Deploy Backing Source Provider button at the left bottom of the Backing Source tab.

• Browse for required assemblies.

• Select all the required assemblies and click Open.

• After applying all the changes, click on Save Changes.

Configure Read Through Provider Using Command Line Tools

Configure Read-Through

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

The following command will configure Reader1 Read-Through Provider on demoClusteredCache.

Add-BackingSource -CacheName demoClusteredCache -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 demoClusteredCache.

Remove-BackingSource -CacheName demoClusteredCache -ProviderName MyReader –ReadThru

See Also

Write-Through Provider
Write-Through Provider for Write-Behind Operations
Deploy Providers
Add Test Data