auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 78 deletions

diff --git a/core/java/android/database/Observable.java b/core/java/android/database/Observable.java
deleted file mode 100644
index b6fecab..0000000
--- a/core/java/android/database/Observable.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *
- * 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 android.database;
-
-import java.util.ArrayList;
-
-/**
- * Provides methods for (un)registering arbitrary observers in an ArrayList.
- */
-public abstract class Observable<T> {
-    /**
-     * The list of observers.  An observer can be in the list at most
-     * once and will never be null.
-     */
-    protected final ArrayList<T> mObservers = new ArrayList<T>();
-
-    /**
-     * Adds an observer to the list. The observer cannot be null and it must not already
-     * be registered.
-     * @param observer the observer to register
-     * @throws IllegalArgumentException the observer is null
-     * @throws IllegalStateException the observer is already registered
-     */
-    public void registerObserver(T observer) {
-        if (observer == null) {
-            throw new IllegalArgumentException("The observer is null.");
-        }
-        synchronized(mObservers) {
-            if (mObservers.contains(observer)) {
-                throw new IllegalStateException("Observer " + observer + " is already registered.");
-            }
-            mObservers.add(observer);
-        }
-    }
-
-    /**
-     * Removes a previously registered observer. The observer must not be null and it
-     * must already have been registered.
-     * @param observer the observer to unregister
-     * @throws IllegalArgumentException the observer is null
-     * @throws IllegalStateException the observer is not yet registered
-     */
-    public void unregisterObserver(T observer) {
-        if (observer == null) {
-            throw new IllegalArgumentException("The observer is null.");
-        }
-        synchronized(mObservers) {
-            int index = mObservers.indexOf(observer);
-            if (index == -1) {
-                throw new IllegalStateException("Observer " + observer + " was not registered.");
-            }
-            mObservers.remove(index);
-        }
-    }
-    
-    /**
-     * Remove all registered observer
-     */
-    public void unregisterAll() {
-        synchronized(mObservers) {
-            mObservers.clear();
-        }        
-    }
-}