boolean function ( ) { return cancelled ; }
returns true if the task has been cancelled or is expired . concode_field_sep long nextRuntime concode_elem_sep long period concode_elem_sep boolean cancelled concode_elem_sep Runnable exitHandler concode_elem_sep InterruptHandle interruptHook concode_field_sep void cancel concode_elem_sep void cancel concode_elem_sep long nextRuntime concode_elem_sep boolean calculateNextRuntime concode_elem_sep boolean isDue concode_elem_sep void setExitHandler concode_elem_sep int compareTo concode_elem_sep void setPeriod concode_elem_sep long getPeriod