1 files changed, 82 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOSingleValueFeatureDeltaImpl.java b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOSingleValueFeatureDeltaImpl.java
new file mode 100644
index 0000000000..741d76b8e6
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOSingleValueFeatureDeltaImpl.java
@@ -0,0 +1,82 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2008 Eike Stepper, Germany.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *    Simon McDuff - initial API and implementation
+ *    Eike Stepper - maintenance
+ **************************************************************************/
+package org.eclipse.emf.cdo.internal.common.revision.delta;
+
+import org.eclipse.emf.cdo.common.id.CDOID;
+import org.eclipse.emf.cdo.common.id.CDOIDProvider;
+import org.eclipse.emf.cdo.common.id.CDOIDTemp;
+import org.eclipse.emf.cdo.common.model.CDOClass;
+import org.eclipse.emf.cdo.common.model.CDOFeature;
+import org.eclipse.emf.cdo.common.revision.CDORevisionUtil;
+import org.eclipse.emf.cdo.common.revision.delta.CDOFeatureDelta;
+
+import org.eclipse.net4j.util.io.ExtendedDataInput;
+import org.eclipse.net4j.util.io.ExtendedDataOutput;
+
+import java.io.IOException;
+import java.util.Map;
+
+/**
+ * @author Simon McDuff
+ */
+public abstract class CDOSingleValueFeatureDeltaImpl extends CDOFeatureDeltaImpl implements CDOFeatureDelta
+{
+  private int index;
+
+  private Object newValue;
+
+  public CDOSingleValueFeatureDeltaImpl(CDOFeature feature, int index, Object value)
+  {
+    super(feature);
+    this.index = index;
+    newValue = value;
+  }
+
+  public CDOSingleValueFeatureDeltaImpl(ExtendedDataInput in, CDOClass cdoClass) throws IOException
+  {
+    super(in, cdoClass);
+    index = in.readInt();
+    newValue = getFeature().getType().readValue(in, cdoClass.getPackageManager().getCDOIDObjectFactory());
+  }
+
+  public int getIndex()
+  {
+    return index;
+  }
+
+  public Object getValue()
+  {
+    return newValue;
+  }
+
+  @Override
+  public void write(ExtendedDataOutput out, CDOClass cdoClass, CDOIDProvider idProvider) throws IOException
+  {
+    super.write(out, cdoClass, idProvider);
+    out.writeInt(index);
+    if (newValue != null && getFeature().isReference())
+    {
+      newValue = idProvider.provideCDOID(newValue);
+    }
+
+    getFeature().getType().writeValue(out, newValue);
+  }
+
+  @Override
+  public void adjustReferences(Map<CDOIDTemp, CDOID> idMappings)
+  {
+    if (newValue instanceof CDOID)
+    {
+      newValue = CDORevisionUtil.remapID(newValue, idMappings);
+    }
+  }
+}