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No other child elements are allowed.

Examples

Here is a brief summary of the examples in this section:

Example 1: A traditional configuration using FilesystemMetadataProvider for local metadata and FileBackedHTTPMetadataProvider for federation metadata
Example 2: A "no touch" configuration using LocalDynamicMetadataProvider for local metadata and FileBackedHTTPMetadataProvider for federation metadata
Example 3: A completely dynamic configuration using LocalDynamicMetadataProvider for local metadata and DynamicHTTPMetadataProvider for federation metadata
Example 4: A variation on the previous example that pre-fetches metadata for one or more high-value SPs

The following example illustrates one or more providers of type FilesystemMetadataProvider followed by a single FileBackedHTTPMetadataProvider:

Code Block

language	xml
title	Example 1: A traditional configuration
collapse	true

<MetadataProvider id="chain" xsi:type="ChainingMetadataProvider">
	<!-- 
		One or more providers of type FilesystemMetadataProvider for local metadata.
		Each metadata provider describes a static entity descriptor stored in a file.
	-->
	<MetadataProvider id="LocalMetadata" xsi:type="FilesystemMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>
	
	<!-- 
		Exactly one provider of type FileBackedHTTPMetadataProvider for federation metadata.
		The metadata provider automatically refreshes a metadata aggregate (EntitiesDescriptor)
		which would otherwise expire.
	-->
	<MetadataProvider id="FederationMetadata" xsi:type="FileBackedHTTPMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>
</MetadataProvider>

...

Code Block

language	xml
title	Example 2: A "no touch" configuration
collapse	true

<MetadataProvider id="chain" xsi:type="ChainingMetadataProvider">
	<!-- 
		Exactly one provider of type LocalDynamicMetadataProvider for local metadata.
		The metadata provider configures a source directory containing one or more
		static entity descriptors.
	-->
	<MetadataProvider id="LocalMetadata" xsi:type="LocalDynamicMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>

	<!-- 
		Exactly one provider of type FileBackedHTTPMetadataProvider for federation metadata.
		The metadata provider automatically refreshes a metadata aggregate (EntitiesDescriptor)
		which would otherwise expire.
	-->
 <MetadataProvider id="FederationMetadata" xsi:type="FileBackedHTTPMetadataProvider" ...>

      <!-- ... -->
	</MetadataProvider>
</MetadataProvider>

...

Code Block

language	xml
title	Example 3: A completely dynamic configuration
collapse	true

<MetadataProvider id="chain" xsi:type="ChainingMetadataProvider">
	<!-- 
		Exactly one provider of type LocalDynamicMetadataProvider for local metadata.
		The metadata provider configures a source directory containing one or more
		static entity descriptors.
	-->
	<MetadataProvider id="LocalMetadata" xsi:type="LocalDynamicMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>
	
	<!-- 
		Exactly one provider of type DynamicHTTPMetadataProvider for federation metadata.
		Individual entity descriptors are fetched dynamically as needed from a metadata
		query server.
	-->
	<MetadataProvider id="FederationMetadata" xsi:type="DynamicHTTPMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>
</MetadataProvider>

...

Code Block

language	xml
title	Example 4: A dynamic configuration with pre-fetch
collapse	true

<MetadataProvider id="chain" xsi:type="ChainingMetadataProvider">
	<!-- 
		Exactly one provider of type LocalDynamicMetadataProvider for local metadata.
		The metadata provider configures a source directory containing one or more
		static entity descriptors.
	-->
	<MetadataProvider id="LocalMetadata" xsi:type="LocalDynamicMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>
	
	<!-- 
		One or more providers of type FileBackedHTTPMetadataProvider for federation
		metadata. Each provider loads (and reloads) a single entity descriptor
		(which would otherwise expire).
	-->
	<MetadataProvider id="HighValueEntityMetadata" xsi:type="FileBackedHTTPMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>

	<!-- 
		Exactly one provider of type DynamicHTTPMetadataProvider for federation metadata.
		Individual entity descriptors are fetched dynamically as needed from a metadata
		query server.
	-->
	<MetadataProvider id="FederationMetadata" xsi:type="DynamicHTTPMetadataProvider" ...>
      <!-- ... -->
	</MetadataProvider>
</MetadataProvider>

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Examples