@Override
public ArrayList<Relation> queryRelation(
Class class1, Class class2, List<String> key1List, List<String> key2List) {
acquireReference();
try {
SQLStatement stmt = SQLBuilder.buildQueryRelationSql(class1, class2, key1List, key2List);
final EntityTable table1 = TableManager.getTable(class1);
final EntityTable table2 = TableManager.getTable(class2);
final ArrayList<Relation> list = new ArrayList<Relation>();
Querier.doQuery(
mHelper.getReadableDatabase(),
stmt,
new Querier.CursorParser() {
@Override
public void parseEachCursor(SQLiteDatabase db, Cursor c) throws Exception {
Relation relation = new Relation();
relation.key1 = c.getString(c.getColumnIndex(table1.name));
relation.key2 = c.getString(c.getColumnIndex(table2.name));
list.add(relation);
}
});
return list;
} finally {
releaseReference();
}
}
@Override
public int deleteAll(Class<?> claxx) {
acquireReference();
try {
SQLiteDatabase db = mHelper.getWritableDatabase();
SQLStatement stmt = SQLBuilder.buildDeleteAllSql(claxx);
int num = stmt.execDelete(db);
// 删除关系映射
final MapInfo mapTable = SQLBuilder.buildDelAllMappingSql(claxx);
if (mapTable != null && !mapTable.isEmpty()) {
Transaction.execute(
db,
new Worker<Boolean>() {
@Override
public Boolean doTransaction(SQLiteDatabase db) throws Exception {
if (mapTable.delOldRelationSQL != null) {
for (SQLStatement st : mapTable.delOldRelationSQL) {
long rowId = st.execDelete(db);
if (Log.isPrint) {
Log.i(TAG, "Exec delete mapping success, nums: " + rowId);
}
}
}
return true;
}
});
}
return num;
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public <T> ArrayList<T> queryAll(Class<T> claxx) {
acquireReference();
try {
SQLStatement stmt = new QueryBuilder(claxx).createStatement();
return stmt.query(mHelper.getReadableDatabase(), claxx);
} finally {
releaseReference();
}
}
@Override
public boolean dropTable(String tableName) {
acquireReference();
try {
return SQLBuilder.buildDropTable(tableName).execute(mHelper.getWritableDatabase());
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return false;
}
/** 主动删除其mapping数据 */
@Override
public int delete(Object entity) {
acquireReference();
try {
return SQLBuilder.buildDeleteSql(entity)
.execDeleteWithMapping(mHelper.getWritableDatabase(), entity, mTableManager);
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public boolean dropTable(Object entity) {
acquireReference();
try {
return SQLBuilder.buildDropTable(TableManager.getTable(entity))
.execute(mHelper.getWritableDatabase());
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return false;
}
@Override
public int update(Object entity, ColumnsValue cvs, ConflictAlgorithm conflictAlgorithm) {
acquireReference();
try {
SQLiteDatabase db = mHelper.getWritableDatabase();
return SQLBuilder.buildUpdateSql(entity, cvs, conflictAlgorithm)
.execUpdateWithMapping(db, entity, mTableManager);
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public long queryCount(QueryBuilder qb) {
acquireReference();
try {
SQLiteDatabase db = mHelper.getReadableDatabase();
SQLStatement stmt = qb.createStatementForCount();
return stmt.queryForLong(db);
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public long save(Object entity) {
acquireReference();
try {
SQLiteDatabase db = mHelper.getWritableDatabase();
mTableManager.checkOrCreateTable(db, entity);
return SQLBuilder.buildReplaceSql(entity).execInsertWithMapping(db, entity, mTableManager);
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public int delete(final Collection<?> collection) {
acquireReference();
try {
if (!Checker.isEmpty(collection)) {
EntityTable table = TableManager.getTable(collection.iterator().next());
if (table.key != null) {
SQLStatement stmt = SQLBuilder.buildDeleteSql(collection);
return stmt.execDeleteCollection(
mHelper.getWritableDatabase(), collection, mTableManager);
} else {
Integer size =
Transaction.execute(
mHelper.getWritableDatabase(),
new Worker<Integer>() {
@Override
public Integer doTransaction(SQLiteDatabase db) throws Exception {
for (Object entity : collection) {
SQLBuilder.buildDeleteSql(entity)
.execDeleteWithMapping(db, entity, mTableManager);
}
if (Log.isPrint) {
Log.i(TAG, "Exec delete(no primarykey) ：" + collection.size());
}
return collection.size();
}
});
return size == null ? 0 : size;
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public int update(
Collection<?> collection, ColumnsValue cvs, ConflictAlgorithm conflictAlgorithm) {
acquireReference();
try {
if (!Checker.isEmpty(collection)) {
SQLiteDatabase db = mHelper.getWritableDatabase();
Object entity = collection.iterator().next();
SQLStatement stmt = SQLBuilder.buildUpdateAllSql(entity, cvs, conflictAlgorithm);
return stmt.execUpdateCollection(db, collection, cvs, mTableManager);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public int save(Collection<?> collection) {
acquireReference();
try {
if (!Checker.isEmpty(collection)) {
SQLiteDatabase db = mHelper.getWritableDatabase();
Object entity = collection.iterator().next();
SQLStatement stmt = SQLBuilder.buildReplaceAllSql(entity);
mTableManager.checkOrCreateTable(db, entity);
return stmt.execInsertCollection(db, collection, mTableManager);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public int delete(Class<?> claxx, WhereBuilder where) {
acquireReference();
try {
EntityTable table = TableManager.getTable(claxx);
if (table.key != null && !Checker.isEmpty(table.mappingList)) {
List<?> list =
query(QueryBuilder.create(claxx).columns(new String[] {table.key.column}).where(where));
delete(list);
} else {
return where.createStatementDelete(claxx).execDelete(mHelper.getWritableDatabase());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
@Override
public <T> T queryById(String id, Class<T> claxx) {
acquireReference();
try {
SQLiteDatabase db = mHelper.getReadableDatabase();
EntityTable table = TableManager.getTable(claxx);
SQLStatement stmt =
new QueryBuilder(claxx)
.where(table.key.column + "=?", new String[] {id})
.createStatement();
ArrayList<T> list = stmt.query(db, claxx);
if (!Checker.isEmpty(list)) {
return list.get(0);
}
} finally {
releaseReference();
}
return null;
}
/** 删除从[start,end]的数据 此方法暂不会删除关联映射表里的关系数据 */
@Override
public int delete(Class<?> claxx, long start, long end, String orderAscColumn) {
acquireReference();
try {
if (start < 0 || end < start) {
throw new RuntimeException("start must >=0 and smaller than end");
}
if (start != 0) {
start -= 1;
}
end = end == Integer.MAX_VALUE ? -1 : end - start;
SQLStatement stmt = SQLBuilder.buildDeleteSql(claxx, start, end, orderAscColumn);
return stmt.execDelete(mHelper.getWritableDatabase());
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseReference();
}
return SQLStatement.NONE;
}
/** refCountIsZero 降到0时自动触发释放各种资源 */
@Override
protected void onAllReferencesReleased() {
mConfig = null;
mHelper.close();
mTableManager.clear();
}
@Override
public synchronized SQLiteDatabase getWritableDatabase() {
return mHelper.getWritableDatabase();
}
@Override
public <T> ArrayList<T> query(QueryBuilder qb) {
SQLiteDatabase db = mHelper.getReadableDatabase();
// mTableManager.checkOrCreateTable(db, qb.getQueryClass());
return qb.createStatement().query(db, qb.getQueryClass());
}