67 lines
1.1 KiB
Go
67 lines
1.1 KiB
Go
package cqrs
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import (
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"context"
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"github.com/google/uuid"
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)
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type QueryID string
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type QueryRequest interface{}
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type Query interface {
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ID() QueryID
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Request() QueryRequest
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}
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type BaseQuery struct {
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id QueryID
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req QueryRequest
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}
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func (q *BaseQuery) ID() QueryID {
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return q.id
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}
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func (q *BaseQuery) Request() QueryRequest {
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return q.req
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}
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func NewBaseQuery(req QueryRequest) *BaseQuery {
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id := QueryID(uuid.New().String())
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return &BaseQuery{id, req}
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}
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type QueryResult interface {
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Query() Query
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Data() interface{}
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}
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type BaseQueryResult struct {
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qry Query
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data interface{}
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}
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func (r *BaseQueryResult) Query() Query {
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return r.qry
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}
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func (r *BaseQueryResult) Data() interface{} {
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return r.data
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}
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func NewBaseQueryResult(qry Query, data interface{}) *BaseQueryResult {
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return &BaseQueryResult{qry, data}
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}
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type QueryHandlerFunc func(context.Context, Query) (interface{}, error)
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func (h QueryHandlerFunc) Handle(ctx context.Context, qry Query) (interface{}, error) {
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return h(ctx, qry)
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}
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type QueryHandler interface {
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Handle(context.Context, Query) (interface{}, error)
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}
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