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Bug 3: Access to screen resource load causes exception. Adding method to know if a LoadTimeLinesGroup is empty or not. Checking children TimeLines are not empty

Browse source 
https://naval.igalia.com/bugtracker/show_bug.cgi?id=3
This commit is contained in:
Óscar González Fernández 2009-10-04 12:06:58 +02:00
parent affd355166
commit ed1b2011b9
1 changed files with 16 additions and 0 deletions
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16
ganttzk/src/main/java/org/zkoss/ganttz/data/resourceload/LoadTimelinesGroup.java
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@ -36,7 +36,9 @@ public class LoadTimelinesGroup {
LocalDate start = null;
LocalDate end = null;
for (LoadTimelinesGroup loadTimelinesGroup : timeLines) {
Validate.notNull(loadTimelinesGroup.getStart());
start = min(start, loadTimelinesGroup.getStart());
Validate.notNull(loadTimelinesGroup.getEnd());
end = max(end, loadTimelinesGroup.getEnd());
}
return new Interval(toDate(start), toDate(end));
@ -74,11 +76,21 @@ public class LoadTimelinesGroup {
List<? extends LoadTimeLine> children) {
Validate.notNull(principal);
Validate.notNull(children);
allChildrenAreNotEmpty(children);
this.principal = principal;
this.children = Collections
.unmodifiableList(new ArrayList<LoadTimeLine>(children));
}
private static void allChildrenAreNotEmpty(
List<? extends LoadTimeLine> lines) {
for (LoadTimeLine l : lines) {
if (l.isEmpty()) {
throw new IllegalArgumentException(l + " is empty");
}
}
}
public LoadTimeLine getPrincipal() {
return principal;
}
@ -114,5 +126,9 @@ public class LoadTimelinesGroup {
return result;
}
public boolean isEmpty() {
return principal.isEmpty();
}
}