AbstractCursor.java revision 80e7b80fa607e13d31d7dab68ddfd4d9f0372e38
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 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; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.ContentResolver; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.net.Uri; 212589716964f99fd0ee29a9b295584c277e23f34fMakoto Onukiimport android.os.Bundle; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.HashMap; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Map; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is an abstract cursor class that handles a lot of the common code 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that all cursors need to deal with and is provided for convenience reasons. 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class AbstractCursor implements CrossProcessCursor { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Cursor"; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DataSetObservable mDataSetObservable = new DataSetObservable(); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContentObservable mContentObservable = new ContentObservable(); 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki Bundle mExtras = Bundle.EMPTY; 40630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* -------------------------------------------------------- */ 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* These need to be implemented by subclasses */ 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public int getCount(); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public String[] getColumnNames(); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public String getString(int column); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public short getShort(int column); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public int getInt(int column); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public long getLong(int column); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public float getFloat(int column); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public double getDouble(int column); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project abstract public boolean isNull(int column); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 558b0dd7da360d70920a37802eb455ba41500d3b45Vasu Nori public int getType(int column) { 5680e7b80fa607e13d31d7dab68ddfd4d9f0372e38Jeff Brown // Reflects the assumption that all commonly used field types (meaning everything 5780e7b80fa607e13d31d7dab68ddfd4d9f0372e38Jeff Brown // but blobs) are convertible to strings so it should be safe to call 5880e7b80fa607e13d31d7dab68ddfd4d9f0372e38Jeff Brown // getString to retrieve them. 5980e7b80fa607e13d31d7dab68ddfd4d9f0372e38Jeff Brown return FIELD_TYPE_STRING; 608b0dd7da360d70920a37802eb455ba41500d3b45Vasu Nori } 618b0dd7da360d70920a37802eb455ba41500d3b45Vasu Nori 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO implement getBlob in all cursor types 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public byte[] getBlob(int column) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new UnsupportedOperationException("getBlob is not supported"); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* -------------------------------------------------------- */ 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Methods that may optionally be implemented by subclasses */ 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 707ce745248d4de0e6543a559c93423df899832100Jeff Brown * If the cursor is backed by a {@link CursorWindow}, returns a pre-filled 717ce745248d4de0e6543a559c93423df899832100Jeff Brown * window with the contents of the cursor, otherwise null. 727ce745248d4de0e6543a559c93423df899832100Jeff Brown * 737ce745248d4de0e6543a559c93423df899832100Jeff Brown * @return The pre-filled window that backs this cursor, or null if none. 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CursorWindow getWindow() { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getColumnCount() { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getColumnNames().length; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 82630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void deactivate() { 84d2183654e03d589b120467f4e98da1b178ceeadbJeff Brown onDeactivateOrClose(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 86630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 87d2183654e03d589b120467f4e98da1b178ceeadbJeff Brown /** @hide */ 88d2183654e03d589b120467f4e98da1b178ceeadbJeff Brown protected void onDeactivateOrClose() { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelfObserver != null) { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentResolver.unregisterContentObserver(mSelfObserver); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelfObserverRegistered = false; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObservable.notifyInvalidated(); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9520f549fd2f40db524242c9038d7d63356adf95fcVasu Nori 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean requery() { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelfObserver != null && mSelfObserverRegistered == false) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentResolver.registerContentObserver(mNotifyUri, true, mSelfObserver); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelfObserverRegistered = true; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObservable.notifyChanged(); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isClosed() { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mClosed; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 108630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void close() { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mClosed = true; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentObservable.unregisterAll(); 112d2183654e03d589b120467f4e98da1b178ceeadbJeff Brown onDeactivateOrClose(); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This function is called every time the cursor is successfully scrolled 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to a new position, giving the subclass a chance to update any state it 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * may have. If it returns false the move function will also do so and the 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor will scroll to the beforeFirst position. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param oldPosition the position that we're moving from 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newPosition the position that we're moving to 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the move is successful, false otherwise 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onMove(int oldPosition, int newPosition) { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 129630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void copyStringToBuffer(int columnIndex, CharArrayBuffer buffer) { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Default implementation, uses getString 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String result = getString(columnIndex); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result != null) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] data = buffer.data; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (data == null || data.length < result.length()) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer.data = result.toCharArray(); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.getChars(0, result.length(), data, 0); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer.sizeCopied = result.length(); 1419480efeff7d6d7054e4d048c6088b7329376aa1dDmitri Plotnikov } else { 1429480efeff7d6d7054e4d048c6088b7329376aa1dDmitri Plotnikov buffer.sizeCopied = 0; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 145630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* -------------------------------------------------------- */ 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Implementation */ 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AbstractCursor() { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPos = -1; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRowIdColumnIndex = -1; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentRowID = null; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatedRows = new HashMap<Long, Map<String, Object>>(); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getPosition() { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPos; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean moveToPosition(int position) { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure position isn't past the end of the cursor 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int count = getCount(); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position >= count) { 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPos = count; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure position isn't before the beginning of the cursor 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position < 0) { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPos = -1; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check for no-op moves, and skip the rest of the work for them 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position == mPos) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean result = onMove(mPos, position); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result == false) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPos = -1; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPos = position; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRowIdColumnIndex != -1) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentRowID = Long.valueOf(getLong(mRowIdColumnIndex)); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 190630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 19180e7b80fa607e13d31d7dab68ddfd4d9f0372e38Jeff Brown @Override 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void fillWindow(int position, CursorWindow window) { 19380e7b80fa607e13d31d7dab68ddfd4d9f0372e38Jeff Brown DatabaseUtils.cursorFillWindow(this, position, window); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean move(int offset) { 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return moveToPosition(mPos + offset); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean moveToFirst() { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return moveToPosition(0); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean moveToLast() { 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return moveToPosition(getCount() - 1); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean moveToNext() { 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return moveToPosition(mPos + 1); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean moveToPrevious() { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return moveToPosition(mPos - 1); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isFirst() { 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPos == 0 && getCount() != 0; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isLast() { 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int cnt = getCount(); 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPos == (cnt - 1) && cnt != 0; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isBeforeFirst() { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getCount() == 0) { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPos == -1; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isAfterLast() { 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getCount() == 0) { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPos == getCount(); 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getColumnIndex(String columnName) { 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Hack according to bug 903852 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int periodIndex = columnName.lastIndexOf('.'); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (periodIndex != -1) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Exception e = new Exception(); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "requesting column name with table name -- " + columnName, e); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project columnName = columnName.substring(periodIndex + 1); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String columnNames[] = getColumnNames(); 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int length = columnNames.length; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < length; i++) { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (columnNames[i].equalsIgnoreCase(columnName)) { 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return i; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25643a17654cf4bfe7f1ec22bd8b7b32daccdf27c09Joe Onorato if (false) { 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (getCount() > 0) { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w("AbstractCursor", "Unknown column " + columnName); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getColumnIndexOrThrow(String columnName) { 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int index = getColumnIndex(columnName); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0) { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("column '" + columnName + "' does not exist"); 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return index; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getColumnName(int columnIndex) { 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getColumnNames()[columnIndex]; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void registerContentObserver(ContentObserver observer) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentObservable.registerObserver(observer); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unregisterContentObserver(ContentObserver observer) { 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // cursor will unregister all observers when it close 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mClosed) { 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentObservable.unregisterObserver(observer); 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 286630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 288935ae463d495d41155e27feb849768ad2b8b16dbDianne Hackborn * This is hidden until the data set change model has been re-evaluated. 289935ae463d495d41155e27feb849768ad2b8b16dbDianne Hackborn * @hide 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void notifyDataSetChange() { 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObservable.notifyChanged(); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 294630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 296935ae463d495d41155e27feb849768ad2b8b16dbDianne Hackborn * This is hidden until the data set change model has been re-evaluated. 297935ae463d495d41155e27feb849768ad2b8b16dbDianne Hackborn * @hide 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected DataSetObservable getDataSetObservable() { 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDataSetObservable; 301630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 303f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void registerDataSetObserver(DataSetObserver observer) { 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObservable.registerObserver(observer); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unregisterDataSetObserver(DataSetObserver observer) { 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataSetObservable.unregisterObserver(observer); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Subclasses must call this method when they finish committing updates to notify all 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * observers. 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selfChange 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onChange(boolean selfChange) { 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSelfObserverLock) { 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentObservable.dispatchChange(selfChange); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mNotifyUri != null && selfChange) { 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentResolver.notifyChange(mNotifyUri, mSelfObserver); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies a content URI to watch for changes. 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cr The content resolver from the caller's context. 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param notifyUri The URI to watch for changes. This can be a 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * specific row URI, or a base URI for a whole class of content. 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setNotificationUri(ContentResolver cr, Uri notifyUri) { 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSelfObserverLock) { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNotifyUri = notifyUri; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentResolver = cr; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelfObserver != null) { 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentResolver.unregisterContentObserver(mSelfObserver); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelfObserver = new SelfContentObserver(this); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentResolver.registerContentObserver(mNotifyUri, true, mSelfObserver); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelfObserverRegistered = true; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 34790bf7c791639fe6666fc548106f9286d47311cffMakoto Onuki public Uri getNotificationUri() { 34890bf7c791639fe6666fc548106f9286d47311cffMakoto Onuki return mNotifyUri; 34990bf7c791639fe6666fc548106f9286d47311cffMakoto Onuki } 35090bf7c791639fe6666fc548106f9286d47311cffMakoto Onuki 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getWantsAllOnMoveCalls() { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 355630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki /** 356630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki * Sets a {@link Bundle} that will be returned by {@link #getExtras()}. <code>null</code> will 357630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki * be converted into {@link Bundle#EMPTY}. 358630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki * 359630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki * @param extras {@link Bundle} to set. 360630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki * @hide 361630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki */ 362630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki public void setExtras(Bundle extras) { 363630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki mExtras = (extras == null) ? Bundle.EMPTY : extras; 364630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki } 365630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bundle getExtras() { 367630f6b1cf8a671890f7bb590f5219d8b63614cd9Makoto Onuki return mExtras; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bundle respond(Bundle extras) { 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Bundle.EMPTY; 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 375f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton * @deprecated Always returns false since Cursors do not support updating rows 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 377f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton @Deprecated 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean isFieldUpdated(int columnIndex) { 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 383f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton * @deprecated Always returns null since Cursors do not support updating rows 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 385f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton @Deprecated 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Object getUpdatedField(int columnIndex) { 387f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton return null; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This function throws CursorIndexOutOfBoundsException if 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cursor position is out of bounds. Subclass implementations of 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the get functions should call this before attempting 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to retrieve data. 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws CursorIndexOutOfBoundsException 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void checkPosition() { 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (-1 == mPos || getCount() == mPos) { 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new CursorIndexOutOfBoundsException(mPos, getCount()); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelfObserver != null && mSelfObserverRegistered == true) { 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentResolver.unregisterContentObserver(mSelfObserver); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Cursors use this class to track changes others make to their URI. 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected static class SelfContentObserver extends ContentObserver { 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project WeakReference<AbstractCursor> mCursor; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SelfContentObserver(AbstractCursor cursor) { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(null); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCursor = new WeakReference<AbstractCursor>(cursor); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean deliverSelfNotifications() { 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onChange(boolean selfChange) { 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AbstractCursor cursor = mCursor.get(); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cursor != null) { 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursor.onChange(false); 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 437f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton * @deprecated This is never updated by this class and should not be used 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 439f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton @Deprecated 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected HashMap<Long, Map<String, Object>> mUpdatedRows; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This must be set to the index of the row ID column by any 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * subclass that wishes to support updates. 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mRowIdColumnIndex; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mPos; 449f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton /** 450cc08bb8884d7ab720296cc63f8098249659c48b1Vasu Nori * If {@link #mRowIdColumnIndex} is not -1 this contains contains the value of 451cc08bb8884d7ab720296cc63f8098249659c48b1Vasu Nori * the column at {@link #mRowIdColumnIndex} for the current row this cursor is 452f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton * pointing at. 453f1a4a0a5b712963b77bf019886cf73cf6bc1b7b4Jeff Hamilton */ 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Long mCurrentRowID; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ContentResolver mContentResolver; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean mClosed = false; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Uri mNotifyUri; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContentObserver mSelfObserver; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final private Object mSelfObserverLock = new Object(); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSelfObserverRegistered; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 462