graph: add messages to IllegalStateExceptions

[deliverable/tracecompass.git] / analysis / org.eclipse.tracecompass.analysis.graph.ui / src / org / eclipse / tracecompass / internal / analysis / graph / ui / criticalpath / view / CriticalPathView.java

diff --git a/analysis/org.eclipse.tracecompass.analysis.graph.ui/src/org/eclipse/tracecompass/internal/analysis/graph/ui/criticalpath/view/CriticalPathView.java b/analysis/org.eclipse.tracecompass.analysis.graph.ui/src/org/eclipse/tracecompass/internal/analysis/graph/ui/criticalpath/view/CriticalPathView.java
index 1ec8e4278fdf59c01ef234b496956f2f1aaf2128..115035ddeeb34b767a3877717c42ab450ce59663 100644 (file)
--- a/analysis/org.eclipse.tracecompass.analysis.graph.ui/src/org/eclipse/tracecompass/internal/analysis/graph/ui/criticalpath/view/CriticalPathView.java
+++ b/analysis/org.eclipse.tracecompass.analysis.graph.ui/src/org/eclipse/tracecompass/internal/analysis/graph/ui/criticalpath/view/CriticalPathView.java
@@ -280,7 +280,7 @@ public class CriticalPathView extends AbstractTimeGraphView {
                     TmfTraceUtils.getAnalysisModulesOfClass(trace, CriticalPathModule.class),
                     null);
             if (module == null) {
-                throw new IllegalStateException();
+                throw new IllegalStateException("View requires an analysis module"); //$NON-NLS-1$
             }
 
             module.schedule();
@@ -311,7 +311,7 @@ public class CriticalPathView extends AbstractTimeGraphView {
             CriticalPathModule module = Iterables.<@Nullable CriticalPathModule> getFirst(
                     TmfTraceUtils.getAnalysisModulesOfClass(trace, CriticalPathModule.class), null);
             if (module == null) {
-                throw new IllegalStateException();
+                throw new IllegalStateException("View requires an analysis module"); //$NON-NLS-1$
             }
 
             final TmfGraph graph = module.getCriticalPath();