returns the combined digest of the action 's inputs and outputs . this may compresses the data into a more compact representation , and makes the object immutable . concode_field_sep String actionKey concode_elem_sep Digest digest concode_elem_sep List<String> files concode_elem_sep Map<String,Metadata> mdMap concode_field_sep ActionCache.Entry createEntry concode_elem_sep boolean discoversInputs concode_elem_sep ActionCache.Entry get concode_elem_sep boolean isCorrupted concode_elem_sep long save concode_elem_sep String toString concode_elem_sep void dump concode_elem_sep String getActionKey concode_elem_sep Collection<String> getPaths concode_elem_sep void put concode_elem_sep void remove concode_elem_sep void addFile
Digest function ( ) { if ( digest == null ) { digest = Digest . fromMetadata ( mdMap ) ; mdMap = null ; } return digest ; }