+ state = ProgressState.RUNNING;
+ indeterminate = total == -1;
+ }
+ private void ensureState(ProgressState wanted) {
+ if (state != wanted)
+ throw new IllegalStateException(
+ String.format("Bad state: %s, expected %s", state, wanted));
+ }
+ public ProgressState getState() {
+ return state;
+ }
+ public void setState(ProgressState state) {
+ this.state = state;
+ }
+ public String getError() {
+ ensureState(ProgressState.FINISHED);
+ return error;
+ }
+ public void setError(String error) {
+ this.error = error;
+ state = ProgressState.FINISHED;
+ }
+ public boolean isIndeterminate() {
+ return indeterminate;
+ }
+ public void setIndeterminate(boolean indeterminate) {
+ this.indeterminate = indeterminate;