xjlgod commented on code in PR #650:
URL:
https://github.com/apache/incubator-seata-go/pull/650#discussion_r1464992823
##########
pkg/saga/statemachine/statelang/parser/statemachine_parser.go:
##########
@@ -52,22 +41,118 @@ func (b BaseStateParser) GetString(stateName string,
stateMap map[string]interfa
return valueAsString, nil
}
-func (b BaseStateParser) GetSlice(stateName string, stateMap
map[string]interface{}, key string) ([]interface{}, error) {
+func (b BaseStateParser) GetStringOrDefault(stateMap map[string]interface{},
key string, defaultValue string) string {
value := stateMap[key]
+ if value == nil {
+ return defaultValue
+ }
+
+ valueAsString, ok := value.(string)
+ if !ok {
+ return defaultValue
+ }
+ return valueAsString
+}
+func (b BaseStateParser) GetSlice(stateName string, stateMap
map[string]interface{}, key string) ([]interface{}, error) {
+ value := stateMap[key]
if value == nil {
var result []interface{}
return result, errors.New("State [" + stateName + "] " + key +
" not exist")
}
valueAsSlice, ok := value.([]interface{})
if !ok {
- var result []interface{}
- return result, errors.New("State [" + stateName + "] " + key +
" illegal, required slice")
+ var slice []interface{}
+ return slice, errors.New("State [" + stateName + "] " + key + "
illegal, required []interface{}")
}
return valueAsSlice, nil
}
+func (b BaseStateParser) GetSliceOrDefault(stateMap map[string]interface{},
key string, defaultValue []interface{}) []interface{} {
+ value := stateMap[key]
+
+ if value == nil {
+ return defaultValue
+ }
+
+ valueAsSlice, ok := value.([]interface{})
+ if !ok {
+ return defaultValue
+ }
+ return valueAsSlice
+}
+
+func (b BaseStateParser) GetMapOrDefault(stateMap map[string]interface{}, key
string, defaultValue map[string]interface{}) map[string]interface{} {
+ value := stateMap[key]
+
+ if value == nil {
+ return defaultValue
+ }
+
+ valueAsMap, ok := value.(map[string]interface{})
+ if !ok {
+ return defaultValue
+ }
+ return valueAsMap
+}
+
+func (b BaseStateParser) GetBool(stateName string, stateMap
map[string]interface{}, key string) (bool, error) {
Review Comment:
I modified it to keep unify now.
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