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Diffstat (limited to 'plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOFeatureDeltaImpl.java')
-rw-r--r--plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOFeatureDeltaImpl.java13
1 files changed, 13 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOFeatureDeltaImpl.java b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOFeatureDeltaImpl.java
index e4de3054b2..98e088b68b 100644
--- a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOFeatureDeltaImpl.java
+++ b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOFeatureDeltaImpl.java
@@ -20,6 +20,7 @@ import org.eclipse.emf.cdo.spi.common.revision.InternalCDOFeatureDelta;
import org.eclipse.net4j.util.CheckUtil;
+import org.eclipse.emf.common.notify.impl.NotifierImpl;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
@@ -94,4 +95,16 @@ public abstract class CDOFeatureDeltaImpl implements InternalCDOFeatureDelta
public abstract boolean adjustReferences(CDOReferenceAdjuster referenceAdjuster);
protected abstract String toStringAdditional();
+
+ /**
+ * @author Eike Stepper
+ */
+ public static final class UnknownValue extends NotifierImpl
+ {
+ @Override
+ public String toString()
+ {
+ return "UNKNOWN"; //$NON-NLS-1$
+ }
+ }
}

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