19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.database.sqlite; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.Cursor; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.sqlite.SQLiteDatabase.CursorFactory; 21a7771df3696954f0e279407e8894a916a7cb26ccJeff Brownimport android.os.CancellationSignal; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A cursor driver that uses the given query directly. 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 28baefdfad6e77e772deb6474380dd85ac776293e8Jeff Brownpublic final class SQLiteDirectCursorDriver implements SQLiteCursorDriver { 29e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown private final SQLiteDatabase mDatabase; 30e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown private final String mEditTable; 31e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown private final String mSql; 324c1241df8f8b7fd5ec3dff6c7e0f66271248e76eJeff Brown private final CancellationSignal mCancellationSignal; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SQLiteQuery mQuery; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3575ea64fc54f328d37b115cfb1ded1e45c30380edJeff Brown public SQLiteDirectCursorDriver(SQLiteDatabase db, String sql, String editTable, 364c1241df8f8b7fd5ec3dff6c7e0f66271248e76eJeff Brown CancellationSignal cancellationSignal) { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDatabase = db; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEditTable = editTable; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSql = sql; 404c1241df8f8b7fd5ec3dff6c7e0f66271248e76eJeff Brown mCancellationSignal = cancellationSignal; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(CursorFactory factory, String[] selectionArgs) { 444c1241df8f8b7fd5ec3dff6c7e0f66271248e76eJeff Brown final SQLiteQuery query = new SQLiteQuery(mDatabase, mSql, mCancellationSignal); 45e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown final Cursor cursor; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 47e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown query.bindAllArgsAsStrings(selectionArgs); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (factory == null) { 50e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown cursor = new SQLiteCursor(this, mEditTable, query); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 52e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown cursor = factory.newCursor(mDatabase, this, mEditTable, query); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown } catch (RuntimeException ex) { 55e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown query.close(); 56e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown throw ex; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown 59e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown mQuery = query; 60e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown return cursor; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void cursorClosed() { 64e5360fbf3efe85427f7e7f59afe7bbeddb4949acJeff Brown // Do nothing 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setBindArguments(String[] bindArgs) { 680732f7912ccec9a1cc379b535ac0b56ae50972b3Vasu Nori mQuery.bindAllArgsAsStrings(bindArgs); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void cursorDeactivated() { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do nothing 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void cursorRequeried(Cursor cursor) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do nothing 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "SQLiteDirectCursorDriver: " + mSql; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 84