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49 lines
1.5 KiB
49 lines
1.5 KiB
package protocol
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import (
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"github.com/seaweedfs/seaweedfs/weed/mq/kafka/consumer_offset"
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)
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// offsetStorageAdapter adapts consumer_offset.OffsetStorage to ConsumerOffsetStorage interface
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type offsetStorageAdapter struct {
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storage consumer_offset.OffsetStorage
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}
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// newOffsetStorageAdapter creates a new adapter
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func newOffsetStorageAdapter(storage consumer_offset.OffsetStorage) ConsumerOffsetStorage {
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return &offsetStorageAdapter{storage: storage}
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}
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func (a *offsetStorageAdapter) CommitOffset(group, topic string, partition int32, offset int64, metadata string) error {
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return a.storage.CommitOffset(group, topic, partition, offset, metadata)
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}
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func (a *offsetStorageAdapter) FetchOffset(group, topic string, partition int32) (int64, string, error) {
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return a.storage.FetchOffset(group, topic, partition)
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}
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func (a *offsetStorageAdapter) FetchAllOffsets(group string) (map[TopicPartition]OffsetMetadata, error) {
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offsets, err := a.storage.FetchAllOffsets(group)
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if err != nil {
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return nil, err
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}
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// Convert from consumer_offset types to protocol types
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result := make(map[TopicPartition]OffsetMetadata, len(offsets))
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for tp, om := range offsets {
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result[TopicPartition{Topic: tp.Topic, Partition: tp.Partition}] = OffsetMetadata{
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Offset: om.Offset,
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Metadata: om.Metadata,
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}
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}
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return result, nil
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}
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func (a *offsetStorageAdapter) DeleteGroup(group string) error {
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return a.storage.DeleteGroup(group)
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}
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func (a *offsetStorageAdapter) Close() error {
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return a.storage.Close()
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}
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