[
https://issues.apache.org/jira/browse/BEAM-13013?focusedWorklogId=664288&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-664288
]
ASF GitHub Bot logged work on BEAM-13013:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 12/Oct/21 19:48
Start Date: 12/Oct/21 19:48
Worklog Time Spent: 10m
Work Description: htyleo commented on a change in pull request #15698:
URL: https://github.com/apache/beam/pull/15698#discussion_r727442013
##########
File path: sdks/go/pkg/beam/core/runtime/xlangx/registry.go
##########
@@ -0,0 +1,317 @@
+// 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 (
+ "context"
+ "fmt"
+ "net/url"
+ "strings"
+ "sync"
+
+ "github.com/apache/beam/sdks/v2/go/pkg/beam/core/graph"
+ "github.com/apache/beam/sdks/v2/go/pkg/beam/core/graph/coder"
+ "github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime/graphx"
+ "github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime/pipelinex"
+ "github.com/apache/beam/sdks/v2/go/pkg/beam/core/typex"
+ jobpb
"github.com/apache/beam/sdks/v2/go/pkg/beam/model/jobmanagement_v1"
+ pipepb "github.com/apache/beam/sdks/v2/go/pkg/beam/model/pipeline_v1"
+)
+
+var defaultReg = newRegistry()
+
+// RegisterHandler associates a namespace with a HandlerFunc which can be used
to
+// replace calls to a Beam ExpansionService.
+//
+// Then, expansion addresses of the forms
+// "<namespace>" or
+// "<namespace>:<configuration>"
+// can be used with beam.CrossLanguage. Any configuration after the separator
is
+// provided to the HandlerFunc on call for the handler func to use at it's
leisure.
+func RegisterHandler(namespace string, handler HandlerFunc) {
+ if err := defaultReg.RegisterHandler(namespace, handler); err != nil {
+ panic(err)
+ }
+}
+
+// RegisterExpansionForUrn overrides which expansion address is used to
+// expand a specific transform URN. The expansion address must be a URL
+// or be a namespaced handler registered with RegisterHandler.
+//
+// When the expansion address is for a handler, it may take the forms
+// "<namespace>" or
+// "<namespace>:<configuration>"
+func RegisterOverrideForUrn(urn, expansionAddr string) {
+ if err := defaultReg.RegisterOverrideForUrn(urn, expansionAddr); err !=
nil {
+ panic(err)
+ }
+}
+
+// HandlerParams is the parameter to an expansion service handler.
+type HandlerParams struct {
+ // Additional parameterization string, if any.
+ Config string
+
+ Req *jobpb.ExpansionRequest
+
+ // Additional pipeline graph information for custom handling
+ // Not exported to avoid mutation.
+ edge *graph.MultiEdge
+ ext *graph.ExternalTransform
Review comment:
ar, I see.
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Issue Time Tracking
-------------------
Worklog Id: (was: 664288)
Time Spent: 1h 50m (was: 1h 40m)
> Extend expansion service handling to allow overrides/conveniences.
> ------------------------------------------------------------------
>
> Key: BEAM-13013
> URL: https://issues.apache.org/jira/browse/BEAM-13013
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-go
> Reporter: Robert Burke
> Assignee: Robert Burke
> Priority: P2
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Described in the BeamSQL for the Go SDK document:
> https://s.apache.org/beam-go-sql-api
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