规则引擎

pkg/rule_engine/nodes/script_engine.go

@@ -0,0 +1,39 @@
+package nodes
+
+import "pandax/pkg/rule_engine/message"
+
+type ScriptEngine interface {
+	ScriptOnMessage(msg message.Message, script string) (message.Message, error)
+	//used by filter_switch_node
+	ScriptOnSwitch(msg message.Message, script string) ([]string, error)
+	//used by filter_script_node
+	ScriptOnFilter(msg message.Message, script string) (bool, error)
+	ScriptToString(msg message.Message, script string) (string, error)
+}
+
+type baseScriptEngine struct {
+}
+
+func NewScriptEngine() ScriptEngine {
+	return &baseScriptEngine{}
+}
+
+func (bse *baseScriptEngine) ScriptOnMessage(msg message.Message, script string) (message.Message, error) {
+
+	return nil, nil
+}
+
+func (bse *baseScriptEngine) ScriptOnSwitch(msg message.Message, script string) ([]string, error) {
+
+	return nil, nil
+}
+
+func (bse *baseScriptEngine) ScriptOnFilter(msg message.Message, script string) (bool, error) {
+
+	return false, nil
+}
+
+func (bse *baseScriptEngine) ScriptToString(msg message.Message, script string) (string, error) {
+
+	return "", nil
+}