milvus/internal/flushcommon/writebuffer/options.go

78 lines
2.1 KiB
Go

package writebuffer
import (
"time"
"github.com/milvus-io/milvus/internal/allocator"
"github.com/milvus-io/milvus/internal/flushcommon/metacache"
"github.com/milvus-io/milvus/internal/flushcommon/syncmgr"
"github.com/milvus-io/milvus/pkg/util/paramtable"
)
type WriteBufferOption func(opt *writeBufferOption)
type TaskObserverCallback func(t syncmgr.Task, err error)
type writeBufferOption struct {
idAllocator allocator.Interface
syncPolicies []SyncPolicy
pkStatsFactory metacache.PkStatsFactory
metaWriter syncmgr.MetaWriter
errorHandler func(error)
taskObserverCallback TaskObserverCallback
}
func defaultWBOption(metacache metacache.MetaCache) *writeBufferOption {
return &writeBufferOption{
syncPolicies: []SyncPolicy{
GetFullBufferPolicy(),
GetSyncStaleBufferPolicy(paramtable.Get().DataNodeCfg.SyncPeriod.GetAsDuration(time.Second)),
GetSealedSegmentsPolicy(metacache),
GetDroppedSegmentPolicy(metacache),
},
// default error handler, just panicking
errorHandler: func(err error) {
panic(err)
},
}
}
func WithIDAllocator(allocator allocator.Interface) WriteBufferOption {
return func(opt *writeBufferOption) {
opt.idAllocator = allocator
}
}
func WithPKStatsFactory(factory metacache.PkStatsFactory) WriteBufferOption {
return func(opt *writeBufferOption) {
opt.pkStatsFactory = factory
}
}
func WithMetaWriter(writer syncmgr.MetaWriter) WriteBufferOption {
return func(opt *writeBufferOption) {
opt.metaWriter = writer
}
}
func WithSyncPolicy(policy SyncPolicy) WriteBufferOption {
return func(opt *writeBufferOption) {
opt.syncPolicies = append(opt.syncPolicies, policy)
}
}
func WithErrorHandler(handler func(err error)) WriteBufferOption {
return func(opt *writeBufferOption) {
opt.errorHandler = handler
}
}
// WithTaskObserverCallback sets the callback function for observing task status.
// The callback will be called when every task is executed, should be concurrent safe to be called.
func WithTaskObserverCallback(callback TaskObserverCallback) WriteBufferOption {
return func(opt *writeBufferOption) {
opt.taskObserverCallback = callback
}
}