fix(121): split inject state to separate file (#123)

Signed-off-by: lsytj0413 <511121939@qq.com>

Signed-off-by: lsytj0413 <511121939@qq.com>

Author: lsytj0413

README.md

@@ -64,4 +64,4 @@ The `Workflow` structure then can be used in your application.
 
 ## Slack Channel
 
-Join us at [CNCF Slack](https://communityinviter.com/apps/cloud-native/cncf), channel `#serverless-workflow-sdk` and say hello 🙋.
+Join us at [CNCF Slack](https://communityinviter.com/apps/cloud-native/cncf), channel `#serverless-workflow-sdk` and say hello 🙋.

model/inject_state.go

@@ -0,0 +1,29 @@
+// Copyright 2022 The Serverless Workflow Specification Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+// InjectState used to inject static data into state data input.
+type InjectState struct {
+	BaseState
+	// JSON object which can be set as states data input and can be manipulated via filters
+	Data map[string]interface{} `json:"data" validate:"required,min=1"`
+	// State specific timeouts
+	Timeouts *InjectStateTimeout `json:"timeouts,omitempty"`
+}
+
+// InjectStateTimeout defines timeout settings for inject state
+type InjectStateTimeout struct {
+	StateExecTimeout *StateExecTimeout `json:"stateExecTimeout,omitempty"`
+}

model/states.go

@@ -136,20 +136,6 @@ func (s *BaseState) GetStateDataFilter() *StateDataFilter { return s.StateDataFi
 // GetMetadata ...
 func (s *BaseState) GetMetadata() *Metadata { return s.Metadata }
 
-// InjectState ...
-type InjectState struct {
-	BaseState
-	// JSON object which can be set as states data input and can be manipulated via filters
-	Data map[string]interface{} `json:"data" validate:"required,min=1"`
-	// State specific timeouts
-	Timeouts *InjectStateTimeout `json:"timeouts,omitempty"`
-}
-
-// InjectStateTimeout ...
-type InjectStateTimeout struct {
-	StateExecTimeout *StateExecTimeout `json:"stateExecTimeout,omitempty"`
-}
-
 // BaseSwitchState ...
 type BaseSwitchState struct {
 	BaseState