/
namespace.go
127 lines (104 loc) · 4.07 KB
/
namespace.go
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// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for Additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package xlangx
import (
"fmt"
"github.com/apache/beam/sdks/v2/go/pkg/beam/internal/errors"
pipepb "github.com/apache/beam/sdks/v2/go/pkg/beam/model/pipeline_v1"
)
func addCoderID(c *pipepb.Components, idMap map[string]string, cid string, newID func(string) string) string {
if _, exists := idMap[cid]; exists {
return idMap[cid]
}
coder, exists := c.Coders[cid]
if !exists {
panic(errors.Errorf("attempted to add namespace to missing coder id: %v not in %v", cid, c.Coders))
}
// Updating ComponentCoderIDs of Coder
if coder.GetComponentCoderIds() != nil {
var updatedComponentCoderIDs []string
updatedComponentCoderIDs = append(updatedComponentCoderIDs, coder.ComponentCoderIds...)
for i, ccid := range coder.ComponentCoderIds {
updatedComponentCoderIDs[i] = addCoderID(c, idMap, ccid, newID)
}
coder.ComponentCoderIds = updatedComponentCoderIDs
}
idMap[cid] = newID(cid)
// Updating Coders map
c.Coders[idMap[cid]] = coder
delete(c.Coders, cid)
return idMap[cid]
}
func addWindowingStrategyID(c *pipepb.Components, idMap map[string]string, wid string, newID func(string) string) string {
if _, exists := idMap[wid]; exists {
return idMap[wid]
}
windowingStrategy, exists := c.WindowingStrategies[wid]
if !exists {
panic(errors.Errorf("attempted to add namespace to missing windowing strategy id: %v not in %v", wid, c.WindowingStrategies))
}
// Updating WindowCoderID of WindowingStrategy
if windowingStrategy.WindowCoderId != "" {
windowingStrategy.WindowCoderId = addCoderID(c, idMap, windowingStrategy.WindowCoderId, newID)
}
idMap[wid] = newID(wid)
// Updating WindowingStrategies map
c.WindowingStrategies[idMap[wid]] = windowingStrategy
delete(c.WindowingStrategies, wid)
return idMap[wid]
}
func addNamespace(t *pipepb.PTransform, c *pipepb.Components, namespace string) {
newID := func(id string) string {
return fmt.Sprintf("%v@%v", id, namespace)
}
idMap := make(map[string]string)
// Note: Currently environments are not namespaced. This works under the
// assumption that the unexpanded transform is using the default Go SDK
// environment. If multiple Go SDK environments become possible, then
// namespacing of non-default environments should happen here.
for _, pcolsMap := range []map[string]string{t.Inputs, t.Outputs} {
for _, pid := range pcolsMap {
if pcol, exists := c.Pcollections[pid]; exists {
// Update Coder ID of PCollection
pcol.CoderId = addCoderID(c, idMap, pcol.CoderId, newID)
// Update WindowingStrategyID of PCollection
pcol.WindowingStrategyId = addWindowingStrategyID(c, idMap, pcol.WindowingStrategyId, newID)
}
}
}
// c.Transforms = make(map[string]*pipepb.PTransform)
sourceName := t.UniqueName
for _, t := range c.Transforms {
if t.UniqueName != sourceName {
if id, exists := idMap[t.EnvironmentId]; exists {
t.EnvironmentId = id
}
for _, pcolsMap := range []map[string]string{t.Inputs, t.Outputs} {
for _, pid := range pcolsMap {
if pcol, exists := c.Pcollections[pid]; exists {
// Update Coder ID of PCollection
if id, exists := idMap[pcol.CoderId]; exists {
pcol.CoderId = id
}
// Update WindowingStrategyID of PCollection
if id, exists := idMap[pcol.WindowingStrategyId]; exists {
pcol.WindowingStrategyId = id
}
}
}
}
}
}
}