This processor hashes together the key/value pairs of several FlowFile attributes and adds the hash as a new attribute. The user may add optional properties such that the name of each property is the name of a FlowFile attribute to consider and the value of the property is a regular expression that, if matched by the attribute value, causes that attribute to be used as part of the hash. If the regular expression contains a capturing group, only the value of the capturing group is used.
Modifies Attributes:
This Processor adds an attribute whose value is the result of Hashing the existing FlowFile attributes. The name of this attribute is specified by the <Hash Value Attribute Key> property.
Properties:
In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. If a property has a default value, it is indicated. If a property supports the use of the NiFi Expression Language (or simply, "expression language"), that is also indicated.
Relationships: