content provider entities

1 files changed, 49 insertions, 0 deletions

diff --git a/core/java/android/content/EntityIterator.java b/core/java/android/content/EntityIterator.java
new file mode 100644
index 0000000..61914cf
--- /dev/null
+++ b/core/java/android/content/EntityIterator.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2009 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.content;
+
+import android.os.RemoteException;
+
+public interface  EntityIterator {
+    /**
+     * Returns whether there are more elements to iterate, i.e. whether the
+     * iterator is positioned in front of an element.
+     *
+     * @return {@code true} if there are more elements, {@code false} otherwise.
+     * @see #next
+     * @since Android 1.0
+     */
+    public boolean hasNext() throws RemoteException;
+
+    /**
+     * Returns the next object in the iteration, i.e. returns the element in
+     * front of the iterator and advances the iterator by one position.
+     *
+     * @return the next object.
+     * @throws java.util.NoSuchElementException
+     *             if there are no more elements.
+     * @see #hasNext
+     * @since Android 1.0
+     */
+    public Entity next() throws RemoteException;
+
+    /**
+     * Indicates that this iterator is no longer needed and that any associated resources
+     * may be released (such as a SQLite cursor).
+     */
+    public void close();
+}