core/java/android/database/CrossProcessCursor.java

/*
 * Copyright (C) 2008 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;

public interface CrossProcessCursor extends Cursor{
    /**
     * returns a pre-filled window, return NULL if no such window
     */
    CursorWindow getWindow();

    /**
     * copies cursor data into the window start at pos
     */
    void fillWindow(int pos, CursorWindow winow);

    /**
     * This function is called every time the cursor is successfully scrolled
     * to a new position, giving the subclass a chance to update any state it
     * may have. If it returns false the move function will also do so and the
     * cursor will scroll to the beforeFirst position.
     *
     * @param oldPosition the position that we're moving from
     * @param newPosition the position that we're moving to
     * @return true if the move is successful, false otherwise
     */
    boolean onMove(int oldPosition, int newPosition); 
    
}