Java ModelAdapter类代码示例

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
/**
 * 新增或者修改数据库的统一方法
 * @param tClass 传递一个class信息
 * @param models 这个class对应的实例的数组
 * @param <Model> 这个实例的泛型 限定条件是BaseModel
 */
public static<Model extends BaseModel> void save(final Class<Model> tClass, final Model... models) {
    if (models==null||models.length==0) return;
    // 当前数据库的一个管理者
    DatabaseDefinition definition = FlowManager.getDatabase(AppDatabase.class);
    // 提交一个事务
    definition.beginTransactionAsync(new ITransaction() {
        @Override
        public void execute(DatabaseWrapper databaseWrapper) {
            // 执行
            ModelAdapter<Model> adapter = FlowManager.getModelAdapter(tClass);
            // 保存
            adapter.saveAll(Arrays.asList(models));
            // 唤起通知
            instance.notifySave(tClass,models);
        }
    }).build().execute();
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
/**
 * 删除数据库的的统一方法
 * @param tClass 传递一个class信息
 * @param models 这个class对应的实例的数组
 * @param <Model> 这个实例的泛型 限定条件是BaseModel
 */
public static<Model extends BaseModel> void delete(final Class<Model> tClass, final Model... models) {
    if (models==null||models.length==0) return;
    // 当前数据库的一个管理者
    DatabaseDefinition definition = FlowManager.getDatabase(AppDatabase.class);
    // 提交一个事务
    definition.beginTransactionAsync(new ITransaction() {
        @Override
        public void execute(DatabaseWrapper databaseWrapper) {
            // 执行
            ModelAdapter<Model> adapter = FlowManager.getModelAdapter(tClass);
            // 删除
            adapter.deleteAll(Arrays.asList(models));
            // 唤起通知
            instance.notifyDelete(tClass,models);
        }
    }).build().execute();
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void performIndividualAdapterOperations() {
    for (int i = 0; i < mModelList.size(); i++) {
        @ModelOperation int operation = mOperationList.get(i);
        Object model = mModelList.get(i);
        ModelAdapter modelAdapter = FlowManager.getModelAdapter(model.getClass());

        if (operation == MODEL_OPERATION_SAVE) {
            modelAdapter.save(model);
        } else if (operation == MODEL_OPERATION_DELETE) {
            modelAdapter.delete(model);
        } else if (operation == MODEL_OPERATION_INSERT) {
            modelAdapter.insert(model);
        } else if (operation == MODEL_OPERATION_UPDATE) {
            modelAdapter.update(model);
        }
    }
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
private void migrateSurveyTable(SQLiteDatabase database) {
    ModelAdapter myAdapter = FlowManager.getModelAdapter(Survey.class);

    //Create temporal table
    String sql=myAdapter.getCreationQuery();
    Log.d("DBMIGRATION", "old table " + sql);
    sql=sql.replace("Survey", "Survey_temp");
    Log.d("DBMIGRATION", "create temp table " + sql);
    database.execSQL(sql);

    //Insert the data in temporal table
    String sqlCopy="INSERT INTO Survey_temp(id_survey, id_tab_group, id_org_unit, id_user, creation_date, completion_date, upload_date, schedule_date, status, eventuid) SELECT id_survey, id_tab_group, id_org_unit, id_user, creationDate, completionDate, uploadedDate, scheduledDate, status, eventuid FROM Survey";
    database.execSQL(sqlCopy);

    //Replace old table by new table with the new column name.
    database.execSQL("DROP TABLE IF EXISTS Survey");
    database.execSQL("ALTER TABLE Survey_temp RENAME TO Survey");
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
private void migrateProgramTable(SQLiteDatabase database) {

        ModelAdapter myAdapter = FlowManager.getModelAdapter(Program.class);
        String programTable = "Program";
        String programTempTable = "Program_temp";
        //Create temporal table
        String sql = myAdapter.getCreationQuery();
        Log.d("DBMIGRATION", "old table " + sql);
        sql = sql.replace(programTable, programTempTable);
        Log.d("DBMIGRATION", "create temp table " + sql);
        database.execSQL(sql);
        //Insert the data in temporal table
        String sqlCopy = "INSERT INTO " + programTempTable
                + "(id_program, uid, name, stage_uid) SELECT id_program, uid, name, programStage "
                + "FROM "
                + programTable;
        database.execSQL(sqlCopy);

        //Replace old table by new table with the new column name.
        database.execSQL("DROP TABLE IF EXISTS " + programTable);
        database.execSQL("ALTER TABLE " + programTempTable + " RENAME TO " + programTable);
    }
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
private void migrateSurveyTable(SQLiteDatabase database) {
    ModelAdapter myAdapter = FlowManager.getModelAdapter(Survey.class);

    //Create temporal table
    String sql = myAdapter.getCreationQuery();
    Log.d("DBMIGRATION", "old table " + sql);
    sql = sql.replace("Survey", "Survey_temp");
    Log.d("DBMIGRATION", "create temp table " + sql);
    database.execSQL(sql);

    //Insert the data in temporal table
    String sqlCopy =
            "INSERT INTO Survey_temp(id_survey, id_program, id_org_unit, id_user, "
                    + "creation_date, completion_date, upload_date, scheduled_date, status, "
                    + "eventuid) SELECT id_survey, id_program, id_org_unit, id_user, "
                    + "creation_date, completion_date, upload_date, schedule_date, status, "
                    + "eventuid FROM Survey";
    database.execSQL(sqlCopy);

    //Replace old table by new table with the new column name.
    database.execSQL("DROP TABLE IF EXISTS Survey");
    database.execSQL("ALTER TABLE Survey_temp RENAME TO Survey");
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
@Override
public void migrate(SQLiteDatabase database) {
    //The column name can't be renamed in sqlite. It is needed create a temporal table with the new column name.
    ModelAdapter myAdapter = FlowManager.getModelAdapter(Survey.class);

    //Create temporal table
    String sql=myAdapter.getCreationQuery();
    Log.d("DBMIGRATION", "old table " + sql);
    sql=sql.replace("Survey", "Survey_temp");
    Log.d("DBMIGRATION", "create temp table " + sql);
    database.execSQL(sql);

    //Insert the data in temporal table
    String sqlCopy="INSERT INTO Survey_temp(id_survey, id_tab_group, id_org_unit, id_user, creationDate, completionDate, uploadedDate, scheduledDate, status, eventuid) SELECT id_survey, id_tab_group, id_org_unit, id_user, creationDate, completionDate, eventDate, scheduledDate, status, eventuid FROM Survey";
    database.execSQL(sqlCopy);

    //Replace old table by new table with the new column name.
    database.execSQL("DROP TABLE IF EXISTS Survey");
    database.execSQL("ALTER TABLE Survey_temp RENAME TO Survey");
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
private void migrateSurveyTable(SQLiteDatabase database) {
    ModelAdapter myAdapter = FlowManager.getModelAdapter(Survey.class);

    //Create temporal table
    String sql=myAdapter.getCreationQuery();
    Log.d("DBMIGRATION", "old table " + sql);
    sql=sql.replace("Survey", "Survey_temp");
    Log.d("DBMIGRATION", "create temp table " + sql);
    database.execSQL(sql);

    //Insert the data in temporal table
    String sqlCopy="INSERT INTO Survey_temp(id_survey, id_program, id_org_unit, id_user, creation_date, completion_date, upload_date, scheduled_date, status, eventuid) SELECT id_survey, id_tab_group, id_org_unit, id_user, creationDate, completionDate, uploadedDate, scheduledDate, status, eventuid FROM Survey";
    database.execSQL(sqlCopy);

    //Replace old table by new table with the new column name.
    database.execSQL("DROP TABLE IF EXISTS Survey");
    database.execSQL("ALTER TABLE Survey_temp RENAME TO Survey");
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
@Override
public void migrate(DatabaseWrapper database) {
    //The column name can't be renamed in sqlite. It is needed create a temporal table with the new column name.
    ModelAdapter myAdapter = FlowManager.getModelAdapter(Survey.class);

    //Create temporal table
    String sql=myAdapter.getCreationQuery();
    Log.d("DBMIGRATION", "old table " + sql);
    sql=sql.replace("Survey", "Survey_temp");
    Log.d("DBMIGRATION", "create temp table " + sql);
    database.execSQL(sql);

    //Insert the data in temporal table
    String sqlCopy="INSERT INTO Survey_temp(id_survey, id_tab_group, id_org_unit, id_user, creationDate, completionDate, uploadedDate, scheduledDate, status, eventuid) SELECT id_survey, id_tab_group, id_org_unit, id_user, creationDate, completionDate, eventDate, scheduledDate, status, eventuid FROM Survey";
    database.execSQL(sqlCopy);

    //Replace old table by new table with the new column name.
    database.execSQL("DROP TABLE IF EXISTS Survey");
    database.execSQL("ALTER TABLE Survey_temp RENAME TO Survey");
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
private void migrateSurveyTable(DatabaseWrapper database) {
    ModelAdapter myAdapter = FlowManager.getModelAdapter(Survey.class);

    //Create temporal table
    String sql=myAdapter.getCreationQuery();
    Log.d("DBMIGRATION", "old table " + sql);
    sql=sql.replace("Survey", "Survey_temp");
    Log.d("DBMIGRATION", "create temp table " + sql);
    database.execSQL(sql);

    //Insert the data in temporal table
    String sqlCopy="INSERT INTO Survey_temp(id_survey, id_program, id_org_unit, id_user, creation_date, completion_date, upload_date, scheduled_date, status, eventuid) SELECT id_survey, id_tab_group, id_org_unit, id_user, creationDate, completionDate, uploadedDate, scheduledDate, status, eventuid FROM Survey";
    database.execSQL(sqlCopy);

    //Replace old table by new table with the new column name.
    database.execSQL("DROP TABLE IF EXISTS Survey");
    database.execSQL("ALTER TABLE Survey_temp RENAME TO Survey");
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
protected void executeTableCreations(@NonNull final DatabaseWrapper database){
    try {
        database.beginTransaction();
        List<ModelAdapter> modelAdapters = databaseDefinition.getModelAdapters();
        for (ModelAdapter modelAdapter : modelAdapters) {
            if (modelAdapter.createWithDatabase()) {
                try {
                    database.execSQL(modelAdapter.getCreationQuery());
                } catch (SQLiteException e) {
                    FlowLog.logError(e);
                }
            }
        }
        database.setTransactionSuccessful();
    } finally {
        database.endTransaction();
    }
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
@Override
public synchronized void saveAll(@NonNull Collection<TModel> tableCollection,
                                 @NonNull DatabaseWrapper wrapper) {
    // skip if empty.
    if (tableCollection.isEmpty()) {
        return;
    }

    ModelSaver<TModel> modelSaver = getModelSaver();
    ModelAdapter<TModel> modelAdapter = modelSaver.getModelAdapter();
    DatabaseStatement statement = modelAdapter.getInsertStatement(wrapper);
    DatabaseStatement updateStatement = modelAdapter.getUpdateStatement(wrapper);
    try {
        for (TModel model : tableCollection) {
            if (modelSaver.save(model, wrapper, statement, updateStatement)) {
                modelAdapter.storeModelInCache(model);
            }
        }
    } finally {
        updateStatement.close();
        statement.close();
    }
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
@Override
public synchronized void insertAll(@NonNull Collection<TModel> tableCollection,
                                   @NonNull DatabaseWrapper wrapper) {
    // skip if empty.
    if (tableCollection.isEmpty()) {
        return;
    }

    ModelSaver<TModel> modelSaver = getModelSaver();
    ModelAdapter<TModel> modelAdapter = modelSaver.getModelAdapter();
    DatabaseStatement statement = modelAdapter.getInsertStatement(wrapper);
    try {
        for (TModel model : tableCollection) {
            if (modelSaver.insert(model, statement, wrapper) > 0) {
                modelAdapter.storeModelInCache(model);
            }
        }
    } finally {
        statement.close();
    }
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
@Override
public synchronized void updateAll(@NonNull Collection<TModel> tableCollection,
                                   @NonNull DatabaseWrapper wrapper) {
    // skip if empty.
    if (tableCollection.isEmpty()) {
        return;
    }
    ModelSaver<TModel> modelSaver = getModelSaver();
    ModelAdapter<TModel> modelAdapter = modelSaver.getModelAdapter();
    DatabaseStatement statement = modelAdapter.getUpdateStatement(wrapper);
    try {
        for (TModel model : tableCollection) {
            if (modelSaver.update(model, wrapper, statement)) {
                modelAdapter.storeModelInCache(model);
            }
        }
    } finally {
        statement.close();
    }
}
 

import com.raizlabs.android.dbflow.structure.ModelAdapter; //导入依赖的package包/类
/**
 * Returns the table name for the specific model class
 *
 * @param table The class that implements {@link Model}
 * @return The table name, which can be different than the {@link Model} class name
 */
@SuppressWarnings("unchecked")
@NonNull
public static String getTableName(Class<?> table) {
    ModelAdapter modelAdapter = getModelAdapterOrNull(table);
    String tableName = null;
    if (modelAdapter == null) {
        ModelViewAdapter modelViewAdapter = getModelViewAdapterOrNull(table);
        if (modelViewAdapter != null) {
            tableName = modelViewAdapter.getViewName();
        } else {
            throwCannotFindAdapter("ModelAdapter/ModelViewAdapter", table);
        }
    } else {
        tableName = modelAdapter.getTableName();
    }
    return tableName;
}