/** 先根据TYPE注解获取FieldContainer，如果null再根据Field获取 都取不到return null */
static FieldContainer getPrimaryFieldContainer(@NonNull Container container) {
HashMap<String, FieldContainer> containers = container.getFieldContainers();
if (containers == null || containers.size() < 1) {
return null;
}
PrimaryKey primaryKey = container.getPrimaryKey();
if (primaryKey != null) { // 先根据TYPE注解获取FieldContainer
String name = primaryKey.keyName();
boolean isAuto = primaryKey.autoIncrement();
if (!TextUtils.isEmpty(name)) {
FieldContainer fc = containers.get(name);
if (fc != null) {
fc.setIsAuto(isAuto);
fc.setIsPrimaryKey(true);
return fc;
}
}
}
// Field获取
Set<Map.Entry<String, FieldContainer>> sets = containers.entrySet();
Iterator<Map.Entry<String, FieldContainer>> iterator = sets.iterator();
while ((iterator.hasNext())) {
Map.Entry<String, FieldContainer> entry = iterator.next();
FieldContainer fieldContainer = entry.getValue();
if (fieldContainer.isPrimaryKey()) {
return fieldContainer;
}
}
return null;
}
/** get primary key */
public static String getPrimaryKeySQL(@NonNull Container container) {
String primary = null;
FieldContainer fieldContainer = container.getPrimaryField();
if (fieldContainer == null) {
fieldContainer = getPrimaryFieldContainer(container);
container.setPrimaryField(fieldContainer);
}
if (fieldContainer != null) {
primary = getPrimaryString(fieldContainer);
} else { // 类中找不到与主键同名field
boolean checkPrimaryKey = CouSyncDb.Config.isCheckPrimaryKey();
PrimaryKey primaryKey = container.getPrimaryKey(); // 类上注解设置主键
if ((primaryKey == null || TextUtils.isEmpty(primaryKey.keyName())) && checkPrimaryKey)
throw new NoPrimaryKeyException(
"the class " + container.getModelName() + " do not set primary key");
else if (primaryKey != null && !TextUtils.isEmpty(primaryKey.keyName()))
primary = getPrimaryStringFromClass(primaryKey.keyName(), primaryKey.autoIncrement());
}
return primary;
}