tmf xml: Add a few package-info to tmf.analysis.xml.core.model.*

[deliverable/tracecompass.git] / org.eclipse.tracecompass.tmf.analysis.xml.core / src / org / eclipse / tracecompass / tmf / analysis / xml / core / model / readwrite / TmfXmlReadWriteStateAttribute.java

diff --git a/org.eclipse.tracecompass.tmf.analysis.xml.core/src/org/eclipse/tracecompass/tmf/analysis/xml/core/model/readwrite/TmfXmlReadWriteStateAttribute.java b/org.eclipse.tracecompass.tmf.analysis.xml.core/src/org/eclipse/tracecompass/tmf/analysis/xml/core/model/readwrite/TmfXmlReadWriteStateAttribute.java
index c299ba4a90910ca55a897c71885ecf0d3c7aaefa..1841fd3fd99d8f3205ff882229a7344ab5edb187 100644 (file)
--- a/org.eclipse.tracecompass.tmf.analysis.xml.core/src/org/eclipse/tracecompass/tmf/analysis/xml/core/model/readwrite/TmfXmlReadWriteStateAttribute.java
+++ b/org.eclipse.tracecompass.tmf.analysis.xml.core/src/org/eclipse/tracecompass/tmf/analysis/xml/core/model/readwrite/TmfXmlReadWriteStateAttribute.java
@@ -12,6 +12,7 @@
 
 package org.eclipse.tracecompass.tmf.analysis.xml.core.model.readwrite;
 
+import org.eclipse.jdt.annotation.Nullable;
 import org.eclipse.tracecompass.statesystem.core.ITmfStateSystemBuilder;
 import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException;
 import org.eclipse.tracecompass.tmf.analysis.xml.core.model.TmfXmlStateAttribute;
@@ -44,18 +45,26 @@ public class TmfXmlReadWriteStateAttribute extends TmfXmlStateAttribute {
     }
 
     @Override
-    protected ITmfStateSystemBuilder getStateSystem() {
+    protected @Nullable ITmfStateSystemBuilder getStateSystem() {
         return (ITmfStateSystemBuilder) super.getStateSystem();
     }
 
     @Override
     protected int getQuarkAbsoluteAndAdd(String... path) throws AttributeNotFoundException {
-        return getStateSystem().getQuarkAbsoluteAndAdd(path);
+        ITmfStateSystemBuilder ss = getStateSystem();
+        if (ss == null) {
+            throw new IllegalStateException("The state system hasn't been initialized yet"); //$NON-NLS-1$
+        }
+        return ss.getQuarkAbsoluteAndAdd(path);
     }
 
     @Override
     protected int getQuarkRelativeAndAdd(int startNodeQuark, String... path) throws AttributeNotFoundException {
-        return getStateSystem().getQuarkRelativeAndAdd(startNodeQuark, path);
+        ITmfStateSystemBuilder ss = getStateSystem();
+        if (ss == null) {
+            throw new IllegalStateException("The state system hasn't been initialized yet"); //$NON-NLS-1$
+        }
+        return ss.getQuarkRelativeAndAdd(startNodeQuark, path);
     }
 
 }