feature: add default implementation for StateMachineConfig (#669)

pkg/saga/statemachine/engine/default_statemachine_config.go

@@ -0,0 +1,123 @@
+package engine
+
+import (
+	"github.com/seata/seata-go/pkg/saga/statemachine/engine/events"
+	"github.com/seata/seata-go/pkg/saga/statemachine/engine/expr"
+	"github.com/seata/seata-go/pkg/saga/statemachine/engine/invoker"
+	"github.com/seata/seata-go/pkg/saga/statemachine/engine/sequence"
+	"github.com/seata/seata-go/pkg/saga/statemachine/engine/status_decision"
+	"github.com/seata/seata-go/pkg/saga/statemachine/engine/store"
+)
+
+const (
+	DefaultTransOperTimeout     = 60000 * 30
+	DefaultServiceInvokeTimeout = 60000 * 5
+)
+
+type DefaultStateMachineConfig struct {
+	// Configuration
+	transOperationTimeout int
+	serviceInvokeTimeout  int
+	charset               string
+	defaultTenantId       string
+
+	// Components
+
+	// Store related components
+	stateLogRepository     store.StateLogRepository
+	stateLogStore          store.StateLogStore
+	stateLangStore         store.StateLangStore
+	stateMachineRepository store.StateMachineRepository
+
+	// Expression related components
+	expressionFactoryManager expr.ExpressionFactoryManager
+	expressionResolver       expr.ExpressionResolver
+
+	// Invoker related components
+	serviceInvokerManager invoker.ServiceInvokerManager
+	scriptInvokerManager  invoker.ScriptInvokerManager
+
+	// Other components
+	statusDecisionStrategy status_decision.StatusDecisionStrategy
+	seqGenerator           sequence.SeqGenerator
+}
+
+func (c *DefaultStateMachineConfig) StateLogRepository() store.StateLogRepository {
+	return c.stateLogRepository
+}
+
+func (c *DefaultStateMachineConfig) StateMachineRepository() store.StateMachineRepository {
+	return c.stateMachineRepository
+}
+
+func (c *DefaultStateMachineConfig) StateLogStore() store.StateLogStore {
+	return c.stateLogStore
+}
+
+func (c *DefaultStateMachineConfig) StateLangStore() store.StateLangStore {
+	return c.stateLangStore
+}
+
+func (c *DefaultStateMachineConfig) ExpressionFactoryManager() expr.ExpressionFactoryManager {
+	return c.expressionFactoryManager
+}
+
+func (c *DefaultStateMachineConfig) ExpressionResolver() expr.ExpressionResolver {
+	return c.expressionResolver
+}
+
+func (c *DefaultStateMachineConfig) SeqGenerator() sequence.SeqGenerator {
+	return c.seqGenerator
+}
+
+func (c *DefaultStateMachineConfig) StatusDecisionStrategy() status_decision.StatusDecisionStrategy {
+	return c.statusDecisionStrategy
+}
+
+func (c *DefaultStateMachineConfig) EventPublisher() events.EventPublisher {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (c *DefaultStateMachineConfig) AsyncEventPublisher() events.EventPublisher {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (c *DefaultStateMachineConfig) ServiceInvokerManager() invoker.ServiceInvokerManager {
+	return c.serviceInvokerManager
+}
+
+func (c *DefaultStateMachineConfig) ScriptInvokerManager() invoker.ScriptInvokerManager {
+	return c.scriptInvokerManager
+}
+
+func (c *DefaultStateMachineConfig) CharSet() string {
+	return c.charset
+}
+
+func (c *DefaultStateMachineConfig) SetCharSet(charset string) {
+	c.charset = charset
+}
+
+func (c *DefaultStateMachineConfig) DefaultTenantId() string {
+	return c.defaultTenantId
+}
+
+func (c *DefaultStateMachineConfig) TransOperationTimeout() int {
+	return c.transOperationTimeout
+}
+
+func (c *DefaultStateMachineConfig) ServiceInvokeTimeout() int {
+	return c.serviceInvokeTimeout
+}
+
+func NewDefaultStateMachineConfig() *DefaultStateMachineConfig {
+	c := &DefaultStateMachineConfig{
+		transOperationTimeout: DefaultTransOperTimeout,
+		serviceInvokeTimeout:  DefaultServiceInvokeTimeout,
+		charset:               "UTF-8",
+		defaultTenantId:       "000001",
+	}
+	return c
+}