mirror of https://github.com/harness/drone.git
55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
// Copyright 2023 Harness, Inc.
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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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package stream
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import (
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"context"
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"fmt"
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)
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// MemoryProducer sends messages to streams of a MemoryBroker.
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type MemoryProducer struct {
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broker *MemoryBroker
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// namespace specifies the namespace of the keys - any stream key will be prefixed with it
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namespace string
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}
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func NewMemoryProducer(broker *MemoryBroker, namespace string) *MemoryProducer {
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return &MemoryProducer{
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broker: broker,
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namespace: namespace,
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}
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}
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// Send sends information to the Broker.
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// Returns the message ID in case of success.
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func (p *MemoryProducer) Send(_ context.Context, streamID string, payload map[string]interface{}) (string, error) {
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// ensure we transpose streamID using the key namespace
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transposedStreamID := transposeStreamID(p.namespace, streamID)
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msgID, err := p.broker.enqueue(
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transposedStreamID,
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message{
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streamID: transposedStreamID,
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values: payload,
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})
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if err != nil {
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return "", fmt.Errorf("failed to write to stream '%s' (full stream '%s'). Error: %w",
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streamID, transposedStreamID, err)
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}
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return msgID, nil
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}
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