Description:

Lookup attributes from a lookup service

Tags:

lookup, cache, enrich, join, attributes, Attribute Expression Language

Properties:

In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values.

Name	Default Value	Allowable Values	Description
Lookup Service		Controller Service API: StringLookupService Implementations: SimpleKeyValueLookupService XMLFileLookupService SimpleCsvFileLookupService PropertiesFileLookupService	The lookup service to use for attribute lookups
Include Empty Values	true	* true * false	Include null or blank values for keys that are null or blank.

Dynamic Properties:

Dynamic Properties allow the user to specify both the name and value of a property.

Name	Value	Description
The name of the attribute to add to the FlowFile	The name of the key or property to retrieve from the lookup service	Adds a FlowFile attribute specified by the dynamic property's key with the value found in the lookup service using the the dynamic property's value.</br> Supports Expression Language: true

Relationships:

Name	Description
failure	FlowFiles with failing lookups are routed to this relationship
unmatched	FlowFiles with missing lookups are routed to this relationship
matched	FlowFiles with matching lookups are routed to this relationship

Reads Attributes:

None specified.

Writes Attributes:

None specified.

State management:

This component does not store state.

Restricted:

This component is not restricted.

Input requirement:

This component requires an incoming relationship.