import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
private List<Class<? extends TypeSerializer>> loadSerializerList(String[] serializers) {
	final List<Class<? extends TypeSerializer>> typeSerializers = new ArrayList<Class<? extends TypeSerializer>>();
	final ClassLoader classLoader = mContext.getClass().getClassLoader();
	for (String serializer : serializers) {
		try {
			Class serializerClass = Class.forName(serializer.trim(), false, classLoader);
			if (ReflectionUtils.isTypeSerializer(serializerClass)) {
				typeSerializers.add(serializerClass);
			}
		}
		catch (ClassNotFoundException e) {
			Log.e("Couldn't create class.", e);
		}
	}

	return typeSerializers;
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
public Builder addTypeSerializer(Class<? extends TypeSerializer> typeSerializer) {
	if (mTypeSerializers == null) {
		mTypeSerializers = new ArrayList<Class<? extends TypeSerializer>>();
	}

	mTypeSerializers.add(typeSerializer);
	return this;
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
public Builder addTypeSerializers(Class<? extends TypeSerializer>... typeSerializers) {
	if (mTypeSerializers == null) {
		mTypeSerializers = new ArrayList<Class<? extends TypeSerializer>>();
	}

	mTypeSerializers.addAll(Arrays.asList(typeSerializers));
	return this;
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public static String createColumnDefinition(TableInfo tableInfo, Field field) {
	StringBuilder definition = new StringBuilder();

	Class<?> type = field.getType();
	final String name = tableInfo.getColumnName(field);
	final TypeSerializer typeSerializer = Cache.getParserForType(field.getType());
	final Column column = field.getAnnotation(Column.class);

	if (typeSerializer != null) {
		type = typeSerializer.getSerializedType();
	}

	if (TYPE_MAP.containsKey(type)) {
		definition.append(name);
		definition.append(" ");
		definition.append(TYPE_MAP.get(type).toString());
	}
	else if (ReflectionUtils.isModel(type)) {
		definition.append(name);
		definition.append(" ");
		definition.append(SQLiteType.INTEGER.toString());
	}
	else if (ReflectionUtils.isSubclassOf(type, Enum.class)) {
		definition.append(name);
		definition.append(" ");
		definition.append(SQLiteType.TEXT.toString());
	}

	if (!TextUtils.isEmpty(definition)) {

		if (name.equals(tableInfo.getIdName())) {
			definition.append(" PRIMARY KEY AUTOINCREMENT");
		}else if(column!=null){
			if (column.length() > -1) {
				definition.append("(");
				definition.append(column.length());
				definition.append(")");
			}

			if (column.notNull()) {
				definition.append(" NOT NULL ON CONFLICT ");
				definition.append(column.onNullConflict().toString());
			}

			if (column.unique()) {
				definition.append(" UNIQUE ON CONFLICT ");
				definition.append(column.onUniqueConflict().toString());
			}
		}

		if (FOREIGN_KEYS_SUPPORTED && ReflectionUtils.isModel(type)) {
			definition.append(" REFERENCES ");
			definition.append(Cache.getTableInfo((Class<? extends Model>) type).getTableName());
			definition.append("("+tableInfo.getIdName()+")");
			definition.append(" ON DELETE ");
			definition.append(column.onDelete().toString().replace("_", " "));
			definition.append(" ON UPDATE ");
			definition.append(column.onUpdate().toString().replace("_", " "));
		}
	}
	else {
		Log.e("No type mapping for: " + type.toString());
	}

	return definition.toString();
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
public static synchronized TypeSerializer getParserForType(Class<?> type) {
	return sModelInfo.getTypeSerializer(type);
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
public List<Class<? extends TypeSerializer>> getTypeSerializers() {
	return mTypeSerializers;
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
public Builder setTypeSerializers(Class<? extends TypeSerializer>... typeSerializers) {
	mTypeSerializers = Arrays.asList(typeSerializers);
	return this;
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
public TypeSerializer getTypeSerializer(Class<?> type) {
	return mTypeSerializers.get(type);
}
 

import com.activeandroid.serializer.TypeSerializer; //导入依赖的package包/类
public static boolean isTypeSerializer(Class<?> type) {
	return isSubclassOf(type, TypeSerializer.class);
}