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61 lines
1.0 KiB
Go
61 lines
1.0 KiB
Go
package queue
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import "sync"
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type (
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// TaskRegistry is used in slave node to track in-memory stateful tasks.
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TaskRegistry interface {
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// NextID returns the next available Task ID.
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NextID() int
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// Get returns the Task by ID.
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Get(id int) (Task, bool)
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// Set sets the Task by ID.
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Set(id int, t Task)
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// Delete deletes the Task by ID.
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Delete(id int)
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}
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taskRegistry struct {
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tasks map[int]Task
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current int
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mu sync.Mutex
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}
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)
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// NewTaskRegistry creates a new TaskRegistry.
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func NewTaskRegistry() TaskRegistry {
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return &taskRegistry{
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tasks: make(map[int]Task),
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}
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}
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func (r *taskRegistry) NextID() int {
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r.mu.Lock()
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defer r.mu.Unlock()
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r.current++
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return r.current
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}
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func (r *taskRegistry) Get(id int) (Task, bool) {
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r.mu.Lock()
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defer r.mu.Unlock()
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t, ok := r.tasks[id]
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return t, ok
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}
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func (r *taskRegistry) Set(id int, t Task) {
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r.mu.Lock()
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defer r.mu.Unlock()
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r.tasks[id] = t
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}
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func (r *taskRegistry) Delete(id int) {
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r.mu.Lock()
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defer r.mu.Unlock()
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delete(r.tasks, id)
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}
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