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f532f27f1f
### Summary As title --------- Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package connector
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import (
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"context"
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"fmt"
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"sync"
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)
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// Factory creates a connector for a task context.
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type Factory func(ctx context.Context, taskContext any) (Connector, error)
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// Registry maps Python connector source names to Go connector factories.
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type Registry struct {
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mu sync.RWMutex
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factories map[string]Factory
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}
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// NewRegistry creates an empty connector registry.
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func NewRegistry() *Registry {
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return &Registry{factories: map[string]Factory{}}
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}
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// Register adds or replaces a connector factory.
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func (r *Registry) Register(source string, factory Factory) {
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r.mu.Lock()
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defer r.mu.Unlock()
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r.factories[source] = factory
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}
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// Open creates a connector for a task context.
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func (r *Registry) Open(ctx context.Context, taskContext any) (Connector, error) {
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row, ok := taskContext.(interface{ ConnectorSource() string })
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if ok {
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return r.openSource(ctx, row.ConnectorSource(), taskContext)
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}
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sourceProvider, ok := taskContext.(interface{ Source() string })
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if ok {
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return r.openSource(ctx, sourceProvider.Source(), taskContext)
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}
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rowContext, ok := taskContext.(struct{ Connector struct{ Source string } })
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if ok {
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return r.openSource(ctx, rowContext.Connector.Source, taskContext)
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}
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source := ""
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if value, ok := any(taskContext).(interface{ GetSource() string }); ok {
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source = value.GetSource()
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}
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return r.openSource(ctx, source, taskContext)
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}
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// openSource creates a connector for a known source.
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func (r *Registry) openSource(ctx context.Context, source string, taskContext any) (Connector, error) {
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r.mu.RLock()
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factory := r.factories[source]
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r.mu.RUnlock()
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if factory == nil {
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return nil, fmt.Errorf("unsupported connector source %q", source)
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}
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return factory(ctx, taskContext)
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}
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