1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.database; 18 19 import android.os.RemoteException; 20 import android.os.IBinder; 21 import android.os.IInterface; 22 import android.os.Bundle; 23 24 import java.util.Map; 25 26 /** 27 * This interface provides a low-level way to pass bulk cursor data across 28 * both process and language boundries. Application code should use the Cursor 29 * interface directly. 30 * 31 * {@hide} 32 */ 33 public interface IBulkCursor extends IInterface { 34 /** 35 * Returns a BulkCursorWindow, which either has a reference to a shared 36 * memory segment with the rows, or an array of JSON strings. 37 */ 38 public CursorWindow getWindow(int startPos) throws RemoteException; 39 40 public void onMove(int position) throws RemoteException; 41 42 /** 43 * Returns the number of rows in the cursor. 44 * 45 * @return the number of rows in the cursor. 46 */ 47 public int count() throws RemoteException; 48 49 /** 50 * Returns a string array holding the names of all of the columns in the 51 * cursor in the order in which they were listed in the result. 52 * 53 * @return the names of the columns returned in this query. 54 */ 55 public String[] getColumnNames() throws RemoteException; 56 57 public boolean updateRows(Map<? extends Long, ? extends Map<String, Object>> values) throws RemoteException; 58 59 public boolean deleteRow(int position) throws RemoteException; 60 61 public void deactivate() throws RemoteException; 62 63 public void close() throws RemoteException; 64 65 public int requery(IContentObserver observer, CursorWindow window) throws RemoteException; 66 67 boolean getWantsAllOnMoveCalls() throws RemoteException; 68 69 Bundle getExtras() throws RemoteException; 70 71 Bundle respond(Bundle extras) throws RemoteException; 72 73 /* IPC constants */ 74 static final String descriptor = "android.content.IBulkCursor"; 75 76 static final int GET_CURSOR_WINDOW_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 77 static final int COUNT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1; 78 static final int GET_COLUMN_NAMES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2; 79 static final int UPDATE_ROWS_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3; 80 static final int DELETE_ROW_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 4; 81 static final int DEACTIVATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 5; 82 static final int REQUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 6; 83 static final int ON_MOVE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 7; 84 static final int WANTS_ON_MOVE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 8; 85 static final int GET_EXTRAS_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 9; 86 static final int RESPOND_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 10; 87 static final int CLOSE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 11; 88 } 89
