org.opennms.newts.cassandra.search

Interface ResourceMetadataCache

All Known Implementing Classes:

GuavaResourceMetadataCache

public interface ResourceMetadataCache

Method Summary

Modifier and Type	Method and Description
void	delete(org.opennms.newts.api.Context context, org.opennms.newts.api.Resource resourceId) Deletes an cached entry for the given context and resource ID.
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

delete

void delete(org.opennms.newts.api.Context context,
            org.opennms.newts.api.Resource resourceId)

Deletes an cached entry for the given context and resource ID.

Parameters:

context - application context of the resource metadata

resourceId - the resource