[234041] Prepare graduation

https://bugs.eclipse.org/bugs/show_bug.cgi?id=234041

1 files changed, 87 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
new file mode 100644
index 0000000000..cf02d045b9
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/revision/delta/CDOFeatureDeltaImpl.java
@@ -0,0 +1,87 @@
+/***************************************************************************
+ * 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.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 CDOFeatureDeltaImpl implements CDOFeatureDelta
+{
+  public static final int NO_INDEX = -1;
+
+  private CDOFeature feature;
+
+  protected CDOFeatureDeltaImpl(CDOFeature feature)
+  {
+    this.feature = feature;
+  }
+
+  public CDOFeatureDeltaImpl(ExtendedDataInput in, CDOClass cdoClass) throws IOException
+  {
+    int featureID = in.readInt();
+    feature = cdoClass.getAllFeatures()[featureID];
+  }
+
+  public CDOFeature getFeature()
+  {
+    return feature;
+  }
+
+  public abstract void adjustReferences(Map<CDOIDTemp, CDOID> idMappings);
+
+  public void write(ExtendedDataOutput out, CDOClass cdoClass, CDOIDProvider idProvider) throws IOException
+  {
+    out.writeInt(getType().ordinal());
+    out.writeInt(cdoClass.getFeatureID(feature));
+  }
+
+  public static CDOFeatureDeltaImpl read(ExtendedDataInput in, CDOClass cdoClass) throws IOException
+  {
+    int typeOrdinal = in.readInt();
+    Type type = Type.values()[typeOrdinal];
+    switch (type)
+    {
+    case ADD:
+      return new CDOAddFeatureDeltaImpl(in, cdoClass);
+    case SET:
+      return new CDOSetFeatureDeltaImpl(in, cdoClass);
+    case LIST:
+      return new CDOListFeatureDeltaImpl(in, cdoClass);
+    case MOVE:
+      return new CDOMoveFeatureDeltaImpl(in, cdoClass);
+    case CLEAR:
+      return new CDOClearFeatureDeltaImpl(in, cdoClass);
+    case REMOVE:
+      return new CDORemoveFeatureDeltaImpl(in, cdoClass);
+    case CONTAINER:
+      return new CDOContainerFeatureDeltaImpl(in, cdoClass);
+    case UNSET:
+      return new CDOUnsetFeatureDeltaImpl(in, cdoClass);
+    default:
+      // TODO Find better exception for signalling errors
+      throw new UnsupportedOperationException("Invalid type " + typeOrdinal);
+    }
+  }
+}