| /* |
| * 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.sqlite; |
| |
| import android.database.Cursor; |
| import android.database.sqlite.SQLiteDatabase.CursorFactory; |
| |
| /** |
| * A cursor driver that uses the given query directly. |
| * |
| * @hide |
| */ |
| public class SQLiteDirectCursorDriver implements SQLiteCursorDriver { |
| private String mEditTable; |
| private SQLiteDatabase mDatabase; |
| private Cursor mCursor; |
| private String mSql; |
| private SQLiteQuery mQuery; |
| |
| public SQLiteDirectCursorDriver(SQLiteDatabase db, String sql, String editTable) { |
| mDatabase = db; |
| mEditTable = editTable; |
| mSql = sql; |
| } |
| |
| public Cursor query(CursorFactory factory, String[] selectionArgs) { |
| // Compile the query |
| SQLiteQuery query = null; |
| |
| try { |
| mDatabase.lock(); |
| mDatabase.closePendingStatements(); |
| query = new SQLiteQuery(mDatabase, mSql, 0, selectionArgs); |
| |
| // Create the cursor |
| if (factory == null) { |
| mCursor = new SQLiteCursor(this, mEditTable, query); |
| } else { |
| mCursor = factory.newCursor(mDatabase, this, mEditTable, query); |
| } |
| |
| mQuery = query; |
| query = null; |
| return mCursor; |
| } finally { |
| // Make sure this object is cleaned up if something happens |
| if (query != null) query.close(); |
| mDatabase.unlock(); |
| } |
| } |
| |
| public void cursorClosed() { |
| mCursor = null; |
| } |
| |
| public void setBindArguments(String[] bindArgs) { |
| mQuery.bindAllArgsAsStrings(bindArgs); |
| } |
| |
| public void cursorDeactivated() { |
| // Do nothing |
| } |
| |
| public void cursorRequeried(Cursor cursor) { |
| // Do nothing |
| } |
| |
| @Override |
| public String toString() { |
| return "SQLiteDirectCursorDriver: " + mSql; |
| } |
| } |