org.opennms.newts.cassandra.search

Interface ResourceMetadataCache

All Known Implementing Classes:

GuavaResourceMetadataCache

public interface ResourceMetadataCache

Method Summary

Methods

Modifier and Type	Method and Description
com.google.common.base.Optional<ResourceMetadata>	get(org.opennms.newts.api.Context context, org.opennms.newts.api.Resource resource) Returns an Optional of the ResourceMetadata for context and resource, or Optional.absent() if one does not exist.
void	merge(org.opennms.newts.api.Context context, org.opennms.newts.api.Resource resource, ResourceMetadata rMetadata) Merges the contents of a ResourceMetadata with the cached instance corresponding to context and resource.

Method Detail

merge

void merge(org.opennms.newts.api.Context context,
         org.opennms.newts.api.Resource resource,
         ResourceMetadata rMetadata)

Merges the contents of a ResourceMetadata with the cached instance corresponding to context and resource. If no such ResourceMetadata instance exists, the supplied value is stored as-is.

Parameters:

context - application context of the resource metadata

resource - the resource

rMetadata - metadata associated with the resource

get

com.google.common.base.Optional<ResourceMetadata> get(org.opennms.newts.api.Context context,
                                                    org.opennms.newts.api.Resource resource)

Returns an Optional of the ResourceMetadata for context and resource, or Optional.absent() if one does not exist.

Parameters:

context - application context of the resource metadata

resource - the resource

Returns:

resource metadata corresponding to context and resource