question: public JClassDependency ( JClass cl , String digest ) { _className = cl . getName ( ) ; String newDigest = getDigest ( ) ; if ( ! newDigest . equals ( digest ) ) { if ( log . isLoggable ( Level . FINE ) ) log . fine ( _className + " digest is modified." ) ; _isDigestModified = true ; } }
target:  Create a new dependency with a given digest.