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56 lines
2.6 KiB
Go
56 lines
2.6 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package converter
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import (
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commonpb "go.temporal.io/api/common/v1"
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)
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type (
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// DataConverter is used by the framework to serialize/deserialize input and output of activity/workflow
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// that need to be sent over the wire.
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// To encode/decode workflow arguments, set DataConverter in client, through client.Options.
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// To override DataConverter for specific activity or child workflow use workflow.WithDataConverter to create new Context,
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// and pass that context to ExecuteActivity/ExecuteChildWorkflow calls.
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// Temporal support using different DataConverters for different activity/childWorkflow in same workflow.
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DataConverter interface {
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// ToPayload converts single value to payload.
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ToPayload(value interface{}) (*commonpb.Payload, error)
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// FromPayload converts single value from payload.
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FromPayload(payload *commonpb.Payload, valuePtr interface{}) error
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// ToPayloads converts a list of values.
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ToPayloads(value ...interface{}) (*commonpb.Payloads, error)
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// FromPayloads converts to a list of values of different types.
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// Useful for deserializing arguments of function invocations.
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FromPayloads(payloads *commonpb.Payloads, valuePtrs ...interface{}) error
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// ToString converts payload object into human readable string.
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ToString(input *commonpb.Payload) string
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// ToStrings converts payloads object into human readable strings.
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ToStrings(input *commonpb.Payloads) []string
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}
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)
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