Merge libv1.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/IDeltaProcessor.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/IDeltaProcessor.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/IDeltaProcessor.java b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/IDeltaProcessor.java
new file mode 100644
index 0000000000000000000000000000000000000000..b9261344f7c0a0696222b204a590ad9cdc254079
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/IDeltaProcessor.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2012, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.dart.tools.core.internal.model.delta;
+
+import com.google.dart.tools.core.model.CompilationUnit;
+import com.google.dart.tools.core.model.DartElementDelta;
+
+import java.util.HashMap;
+import java.util.List;
+
+/**
+ * The public interface to the delta processor.
+ */
+public interface IDeltaProcessor {
+
+  /**
+   * Fire Dart Model delta, flushing them after the fact after post_change notification. If the
+   * firing mode has been turned off, this has no effect.
+   */
+  public void fire(DartElementDelta delta, int postChange);
+
+  /**
+   * Queue of deltas created explicitly by the Dart Model that have yet to be fired.
+   */
+  public List<DartElementDelta> getDartModelDeltas();
+
+  /**
+   * Queue of reconcile deltas on working copies that have yet to be fired. This is a mapping from
+   * IWorkingCopy to DartElementDelta
+   */
+  public HashMap<CompilationUnit, DartElementDelta> getReconcileDeltas();
+
+  /**
+   * Registers the given delta with this delta processor.
+   */
+  public void registerDartModelDelta(DartElementDelta delta);
+
+  /**
+   * Traverse the set of projects which have changed namespace, and reset their caches and their
+   * dependents
+   */
+  public void resetProjectCaches();
+
+  /**
+   * Update Dart Model given some delta
+   */
+  public void updateDartModel(DartElementDelta dartElementDelta);
+
+}