get the host predicate string for the host group . concode_field_sep Predicate predicate concode_elem_sep Logger LOG concode_elem_sep int requested_count concode_elem_sep Configuration configuration concode_elem_sep Map<String,String> hostRackInfo concode_elem_sep String predicateString concode_elem_sep PredicateCompiler predicateCompiler concode_elem_sep Collection<String> hostNames concode_elem_sep String hostGroupName concode_field_sep int getRequestedHostCount concode_elem_sep String getHostGroupName concode_elem_sep void addHostRackInfo concode_elem_sep void addHost concode_elem_sep void setRequestedCount concode_elem_sep void setPredicate concode_elem_sep Configuration getConfiguration concode_elem_sep Predicate getPredicate concode_elem_sep Map<String,String> getHostRackInfo concode_elem_sep void removeHost concode_elem_sep void addHosts concode_elem_sep void setConfiguration concode_elem_sep Collection<String> getHostNames
String function ( ) { return predicateString ; }