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https://gitee.com/milvus-io/milvus.git
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issue: #44358 Implement complete snapshot management system including creation, deletion, listing, description, and restoration capabilities across all system components. Key features: - Create snapshots for entire collections - Drop snapshots by name with proper cleanup - List snapshots with collection filtering - Describe snapshot details and metadata Components added/modified: - Client SDK with full snapshot API support and options - DataCoord snapshot service with metadata management - Proxy layer with task-based snapshot operations - Protocol buffer definitions for snapshot RPCs - Comprehensive unit tests with mockey framework - Integration tests for end-to-end validation Technical implementation: - Snapshot metadata storage in etcd with proper indexing - File-based snapshot data persistence in object storage - Garbage collection integration for snapshot cleanup - Error handling and validation across all operations - Thread-safe operations with proper locking mechanisms <!-- This is an auto-generated comment: release notes by coderabbit.ai --> - Core invariant/assumption: snapshots are immutable point‑in‑time captures identified by (collection, snapshot name/ID); etcd snapshot metadata is authoritative for lifecycle (PENDING → COMMITTED → DELETING) and per‑segment manifests live in object storage (Avro / StorageV2). GC and restore logic must see snapshotRefIndex loaded (snapshotMeta.IsRefIndexLoaded) before reclaiming or relying on segment/index files. - New capability added: full end‑to‑end snapshot subsystem — client SDK APIs (Create/Drop/List/Describe/Restore + restore job queries), DataCoord SnapshotWriter/Reader (Avro + StorageV2 manifests), snapshotMeta in meta, SnapshotManager orchestration (create/drop/describe/list/restore), copy‑segment restore tasks/inspector/checker, proxy & RPC surface, GC integration, and docs/tests — enabling point‑in‑time collection snapshots persisted to object storage and restorations orchestrated across components. - Logic removed/simplified and why: duplicated recursive compaction/delta‑log traversal and ad‑hoc lookup code were consolidated behind two focused APIs/owners (Handler.GetDeltaLogFromCompactTo for delta traversal and SnapshotManager/SnapshotReader for snapshot I/O). MixCoord/coordinator broker paths were converted to thin RPC proxies. This eliminates multiple implementations of the same traversal/lookup, reducing divergence and simplifying responsibility boundaries. - Why this does NOT introduce data loss or regressions: snapshot create/drop use explicit two‑phase semantics (PENDING → COMMIT/DELETING) with SnapshotWriter writing manifests and metadata before commit; GC uses snapshotRefIndex guards and IsRefIndexLoaded/GetSnapshotBySegment/GetSnapshotByIndex checks to avoid removing referenced files; restore flow pre‑allocates job IDs, validates resources (partitions/indexes), performs rollback on failure (rollbackRestoreSnapshot), and converts/updates segment/index metadata only after successful copy tasks. Extensive unit and integration tests exercise pending/deleting/GC/restore/error paths to ensure idempotence and protection against premature deletion. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Signed-off-by: Wei Liu <wei.liu@zilliz.com>
542 lines
17 KiB
Go
542 lines
17 KiB
Go
// Code generated by mockery v2.53.3. DO NOT EDIT.
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package datacoord
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import (
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context "context"
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datapb "github.com/milvus-io/milvus/pkg/v2/proto/datapb"
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mock "github.com/stretchr/testify/mock"
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)
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// NMockHandler is an autogenerated mock type for the Handler type
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type NMockHandler struct {
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mock.Mock
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}
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type NMockHandler_Expecter struct {
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mock *mock.Mock
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}
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func (_m *NMockHandler) EXPECT() *NMockHandler_Expecter {
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return &NMockHandler_Expecter{mock: &_m.Mock}
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}
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// CheckShouldDropChannel provides a mock function with given fields: ch
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func (_m *NMockHandler) CheckShouldDropChannel(ch string) bool {
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ret := _m.Called(ch)
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if len(ret) == 0 {
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panic("no return value specified for CheckShouldDropChannel")
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}
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var r0 bool
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if rf, ok := ret.Get(0).(func(string) bool); ok {
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r0 = rf(ch)
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} else {
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r0 = ret.Get(0).(bool)
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}
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return r0
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}
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// NMockHandler_CheckShouldDropChannel_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CheckShouldDropChannel'
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type NMockHandler_CheckShouldDropChannel_Call struct {
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*mock.Call
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}
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// CheckShouldDropChannel is a helper method to define mock.On call
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// - ch string
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func (_e *NMockHandler_Expecter) CheckShouldDropChannel(ch interface{}) *NMockHandler_CheckShouldDropChannel_Call {
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return &NMockHandler_CheckShouldDropChannel_Call{Call: _e.mock.On("CheckShouldDropChannel", ch)}
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}
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func (_c *NMockHandler_CheckShouldDropChannel_Call) Run(run func(ch string)) *NMockHandler_CheckShouldDropChannel_Call {
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_c.Call.Run(func(args mock.Arguments) {
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run(args[0].(string))
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})
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return _c
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}
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func (_c *NMockHandler_CheckShouldDropChannel_Call) Return(_a0 bool) *NMockHandler_CheckShouldDropChannel_Call {
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_c.Call.Return(_a0)
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return _c
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}
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func (_c *NMockHandler_CheckShouldDropChannel_Call) RunAndReturn(run func(string) bool) *NMockHandler_CheckShouldDropChannel_Call {
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_c.Call.Return(run)
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return _c
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}
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// FinishDropChannel provides a mock function with given fields: ch, collectionID
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func (_m *NMockHandler) FinishDropChannel(ch string, collectionID int64) error {
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ret := _m.Called(ch, collectionID)
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if len(ret) == 0 {
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panic("no return value specified for FinishDropChannel")
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}
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var r0 error
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if rf, ok := ret.Get(0).(func(string, int64) error); ok {
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r0 = rf(ch, collectionID)
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} else {
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r0 = ret.Error(0)
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}
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return r0
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}
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// NMockHandler_FinishDropChannel_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'FinishDropChannel'
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type NMockHandler_FinishDropChannel_Call struct {
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*mock.Call
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}
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// FinishDropChannel is a helper method to define mock.On call
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// - ch string
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// - collectionID int64
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func (_e *NMockHandler_Expecter) FinishDropChannel(ch interface{}, collectionID interface{}) *NMockHandler_FinishDropChannel_Call {
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return &NMockHandler_FinishDropChannel_Call{Call: _e.mock.On("FinishDropChannel", ch, collectionID)}
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}
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func (_c *NMockHandler_FinishDropChannel_Call) Run(run func(ch string, collectionID int64)) *NMockHandler_FinishDropChannel_Call {
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_c.Call.Run(func(args mock.Arguments) {
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run(args[0].(string), args[1].(int64))
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})
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return _c
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}
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func (_c *NMockHandler_FinishDropChannel_Call) Return(_a0 error) *NMockHandler_FinishDropChannel_Call {
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_c.Call.Return(_a0)
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return _c
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}
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func (_c *NMockHandler_FinishDropChannel_Call) RunAndReturn(run func(string, int64) error) *NMockHandler_FinishDropChannel_Call {
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_c.Call.Return(run)
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return _c
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}
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// GenSnapshot provides a mock function with given fields: ctx, collectionID
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func (_m *NMockHandler) GenSnapshot(ctx context.Context, collectionID int64) (*SnapshotData, error) {
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ret := _m.Called(ctx, collectionID)
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if len(ret) == 0 {
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panic("no return value specified for GenSnapshot")
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}
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var r0 *SnapshotData
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var r1 error
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if rf, ok := ret.Get(0).(func(context.Context, int64) (*SnapshotData, error)); ok {
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return rf(ctx, collectionID)
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}
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if rf, ok := ret.Get(0).(func(context.Context, int64) *SnapshotData); ok {
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r0 = rf(ctx, collectionID)
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} else {
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if ret.Get(0) != nil {
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r0 = ret.Get(0).(*SnapshotData)
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}
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}
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if rf, ok := ret.Get(1).(func(context.Context, int64) error); ok {
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r1 = rf(ctx, collectionID)
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} else {
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r1 = ret.Error(1)
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}
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return r0, r1
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}
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// NMockHandler_GenSnapshot_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GenSnapshot'
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type NMockHandler_GenSnapshot_Call struct {
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*mock.Call
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}
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// GenSnapshot is a helper method to define mock.On call
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// - ctx context.Context
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// - collectionID int64
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func (_e *NMockHandler_Expecter) GenSnapshot(ctx interface{}, collectionID interface{}) *NMockHandler_GenSnapshot_Call {
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return &NMockHandler_GenSnapshot_Call{Call: _e.mock.On("GenSnapshot", ctx, collectionID)}
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}
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func (_c *NMockHandler_GenSnapshot_Call) Run(run func(ctx context.Context, collectionID int64)) *NMockHandler_GenSnapshot_Call {
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_c.Call.Run(func(args mock.Arguments) {
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run(args[0].(context.Context), args[1].(int64))
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})
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return _c
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}
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func (_c *NMockHandler_GenSnapshot_Call) Return(_a0 *SnapshotData, _a1 error) *NMockHandler_GenSnapshot_Call {
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_c.Call.Return(_a0, _a1)
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return _c
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}
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func (_c *NMockHandler_GenSnapshot_Call) RunAndReturn(run func(context.Context, int64) (*SnapshotData, error)) *NMockHandler_GenSnapshot_Call {
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_c.Call.Return(run)
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return _c
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}
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// GetCollection provides a mock function with given fields: ctx, collectionID
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func (_m *NMockHandler) GetCollection(ctx context.Context, collectionID int64) (*collectionInfo, error) {
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ret := _m.Called(ctx, collectionID)
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if len(ret) == 0 {
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panic("no return value specified for GetCollection")
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}
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var r0 *collectionInfo
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var r1 error
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if rf, ok := ret.Get(0).(func(context.Context, int64) (*collectionInfo, error)); ok {
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return rf(ctx, collectionID)
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}
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if rf, ok := ret.Get(0).(func(context.Context, int64) *collectionInfo); ok {
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r0 = rf(ctx, collectionID)
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} else {
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if ret.Get(0) != nil {
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r0 = ret.Get(0).(*collectionInfo)
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}
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}
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if rf, ok := ret.Get(1).(func(context.Context, int64) error); ok {
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r1 = rf(ctx, collectionID)
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} else {
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r1 = ret.Error(1)
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}
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return r0, r1
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}
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// NMockHandler_GetCollection_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetCollection'
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type NMockHandler_GetCollection_Call struct {
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*mock.Call
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}
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// GetCollection is a helper method to define mock.On call
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// - ctx context.Context
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// - collectionID int64
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func (_e *NMockHandler_Expecter) GetCollection(ctx interface{}, collectionID interface{}) *NMockHandler_GetCollection_Call {
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return &NMockHandler_GetCollection_Call{Call: _e.mock.On("GetCollection", ctx, collectionID)}
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}
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func (_c *NMockHandler_GetCollection_Call) Run(run func(ctx context.Context, collectionID int64)) *NMockHandler_GetCollection_Call {
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_c.Call.Run(func(args mock.Arguments) {
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run(args[0].(context.Context), args[1].(int64))
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})
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return _c
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}
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func (_c *NMockHandler_GetCollection_Call) Return(_a0 *collectionInfo, _a1 error) *NMockHandler_GetCollection_Call {
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_c.Call.Return(_a0, _a1)
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return _c
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}
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func (_c *NMockHandler_GetCollection_Call) RunAndReturn(run func(context.Context, int64) (*collectionInfo, error)) *NMockHandler_GetCollection_Call {
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_c.Call.Return(run)
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return _c
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}
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// GetCurrentSegmentsView provides a mock function with given fields: ctx, channel, partitionIDs
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func (_m *NMockHandler) GetCurrentSegmentsView(ctx context.Context, channel RWChannel, partitionIDs ...int64) *SegmentsView {
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_va := make([]interface{}, len(partitionIDs))
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for _i := range partitionIDs {
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_va[_i] = partitionIDs[_i]
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}
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var _ca []interface{}
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_ca = append(_ca, ctx, channel)
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_ca = append(_ca, _va...)
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ret := _m.Called(_ca...)
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if len(ret) == 0 {
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panic("no return value specified for GetCurrentSegmentsView")
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}
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var r0 *SegmentsView
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if rf, ok := ret.Get(0).(func(context.Context, RWChannel, ...int64) *SegmentsView); ok {
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r0 = rf(ctx, channel, partitionIDs...)
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} else {
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if ret.Get(0) != nil {
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r0 = ret.Get(0).(*SegmentsView)
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}
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}
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return r0
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}
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// NMockHandler_GetCurrentSegmentsView_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetCurrentSegmentsView'
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type NMockHandler_GetCurrentSegmentsView_Call struct {
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*mock.Call
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}
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// GetCurrentSegmentsView is a helper method to define mock.On call
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// - ctx context.Context
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// - channel RWChannel
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// - partitionIDs ...int64
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func (_e *NMockHandler_Expecter) GetCurrentSegmentsView(ctx interface{}, channel interface{}, partitionIDs ...interface{}) *NMockHandler_GetCurrentSegmentsView_Call {
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return &NMockHandler_GetCurrentSegmentsView_Call{Call: _e.mock.On("GetCurrentSegmentsView",
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append([]interface{}{ctx, channel}, partitionIDs...)...)}
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}
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func (_c *NMockHandler_GetCurrentSegmentsView_Call) Run(run func(ctx context.Context, channel RWChannel, partitionIDs ...int64)) *NMockHandler_GetCurrentSegmentsView_Call {
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_c.Call.Run(func(args mock.Arguments) {
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variadicArgs := make([]int64, len(args)-2)
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for i, a := range args[2:] {
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if a != nil {
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variadicArgs[i] = a.(int64)
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}
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}
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run(args[0].(context.Context), args[1].(RWChannel), variadicArgs...)
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})
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return _c
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}
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func (_c *NMockHandler_GetCurrentSegmentsView_Call) Return(_a0 *SegmentsView) *NMockHandler_GetCurrentSegmentsView_Call {
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_c.Call.Return(_a0)
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return _c
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}
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func (_c *NMockHandler_GetCurrentSegmentsView_Call) RunAndReturn(run func(context.Context, RWChannel, ...int64) *SegmentsView) *NMockHandler_GetCurrentSegmentsView_Call {
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_c.Call.Return(run)
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return _c
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}
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// GetDataVChanPositions provides a mock function with given fields: ch, partitionID
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func (_m *NMockHandler) GetDataVChanPositions(ch RWChannel, partitionID int64) *datapb.VchannelInfo {
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ret := _m.Called(ch, partitionID)
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if len(ret) == 0 {
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panic("no return value specified for GetDataVChanPositions")
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}
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var r0 *datapb.VchannelInfo
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if rf, ok := ret.Get(0).(func(RWChannel, int64) *datapb.VchannelInfo); ok {
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r0 = rf(ch, partitionID)
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} else {
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if ret.Get(0) != nil {
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r0 = ret.Get(0).(*datapb.VchannelInfo)
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}
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}
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return r0
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}
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// NMockHandler_GetDataVChanPositions_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetDataVChanPositions'
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type NMockHandler_GetDataVChanPositions_Call struct {
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*mock.Call
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}
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// GetDataVChanPositions is a helper method to define mock.On call
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// - ch RWChannel
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// - partitionID int64
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func (_e *NMockHandler_Expecter) GetDataVChanPositions(ch interface{}, partitionID interface{}) *NMockHandler_GetDataVChanPositions_Call {
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return &NMockHandler_GetDataVChanPositions_Call{Call: _e.mock.On("GetDataVChanPositions", ch, partitionID)}
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}
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func (_c *NMockHandler_GetDataVChanPositions_Call) Run(run func(ch RWChannel, partitionID int64)) *NMockHandler_GetDataVChanPositions_Call {
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_c.Call.Run(func(args mock.Arguments) {
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run(args[0].(RWChannel), args[1].(int64))
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})
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return _c
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}
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func (_c *NMockHandler_GetDataVChanPositions_Call) Return(_a0 *datapb.VchannelInfo) *NMockHandler_GetDataVChanPositions_Call {
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_c.Call.Return(_a0)
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return _c
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}
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func (_c *NMockHandler_GetDataVChanPositions_Call) RunAndReturn(run func(RWChannel, int64) *datapb.VchannelInfo) *NMockHandler_GetDataVChanPositions_Call {
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_c.Call.Return(run)
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return _c
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}
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// GetDeltaLogFromCompactTo provides a mock function with given fields: ctx, segmentID
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func (_m *NMockHandler) GetDeltaLogFromCompactTo(ctx context.Context, segmentID int64) ([]*datapb.FieldBinlog, error) {
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ret := _m.Called(ctx, segmentID)
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if len(ret) == 0 {
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panic("no return value specified for GetDeltaLogFromCompactTo")
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}
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var r0 []*datapb.FieldBinlog
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var r1 error
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if rf, ok := ret.Get(0).(func(context.Context, int64) ([]*datapb.FieldBinlog, error)); ok {
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return rf(ctx, segmentID)
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}
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if rf, ok := ret.Get(0).(func(context.Context, int64) []*datapb.FieldBinlog); ok {
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r0 = rf(ctx, segmentID)
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} else {
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if ret.Get(0) != nil {
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r0 = ret.Get(0).([]*datapb.FieldBinlog)
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}
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}
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if rf, ok := ret.Get(1).(func(context.Context, int64) error); ok {
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r1 = rf(ctx, segmentID)
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} else {
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r1 = ret.Error(1)
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}
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return r0, r1
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}
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// NMockHandler_GetDeltaLogFromCompactTo_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetDeltaLogFromCompactTo'
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type NMockHandler_GetDeltaLogFromCompactTo_Call struct {
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*mock.Call
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}
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// GetDeltaLogFromCompactTo is a helper method to define mock.On call
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// - ctx context.Context
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// - segmentID int64
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func (_e *NMockHandler_Expecter) GetDeltaLogFromCompactTo(ctx interface{}, segmentID interface{}) *NMockHandler_GetDeltaLogFromCompactTo_Call {
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return &NMockHandler_GetDeltaLogFromCompactTo_Call{Call: _e.mock.On("GetDeltaLogFromCompactTo", ctx, segmentID)}
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}
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func (_c *NMockHandler_GetDeltaLogFromCompactTo_Call) Run(run func(ctx context.Context, segmentID int64)) *NMockHandler_GetDeltaLogFromCompactTo_Call {
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_c.Call.Run(func(args mock.Arguments) {
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run(args[0].(context.Context), args[1].(int64))
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})
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return _c
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}
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func (_c *NMockHandler_GetDeltaLogFromCompactTo_Call) Return(_a0 []*datapb.FieldBinlog, _a1 error) *NMockHandler_GetDeltaLogFromCompactTo_Call {
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_c.Call.Return(_a0, _a1)
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return _c
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}
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func (_c *NMockHandler_GetDeltaLogFromCompactTo_Call) RunAndReturn(run func(context.Context, int64) ([]*datapb.FieldBinlog, error)) *NMockHandler_GetDeltaLogFromCompactTo_Call {
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_c.Call.Return(run)
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return _c
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}
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// GetQueryVChanPositions provides a mock function with given fields: ch, partitionIDs
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func (_m *NMockHandler) GetQueryVChanPositions(ch RWChannel, partitionIDs ...int64) *datapb.VchannelInfo {
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_va := make([]interface{}, len(partitionIDs))
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for _i := range partitionIDs {
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_va[_i] = partitionIDs[_i]
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}
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var _ca []interface{}
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_ca = append(_ca, ch)
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_ca = append(_ca, _va...)
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ret := _m.Called(_ca...)
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if len(ret) == 0 {
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panic("no return value specified for GetQueryVChanPositions")
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}
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var r0 *datapb.VchannelInfo
|
|
if rf, ok := ret.Get(0).(func(RWChannel, ...int64) *datapb.VchannelInfo); ok {
|
|
r0 = rf(ch, partitionIDs...)
|
|
} else {
|
|
if ret.Get(0) != nil {
|
|
r0 = ret.Get(0).(*datapb.VchannelInfo)
|
|
}
|
|
}
|
|
|
|
return r0
|
|
}
|
|
|
|
// NMockHandler_GetQueryVChanPositions_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetQueryVChanPositions'
|
|
type NMockHandler_GetQueryVChanPositions_Call struct {
|
|
*mock.Call
|
|
}
|
|
|
|
// GetQueryVChanPositions is a helper method to define mock.On call
|
|
// - ch RWChannel
|
|
// - partitionIDs ...int64
|
|
func (_e *NMockHandler_Expecter) GetQueryVChanPositions(ch interface{}, partitionIDs ...interface{}) *NMockHandler_GetQueryVChanPositions_Call {
|
|
return &NMockHandler_GetQueryVChanPositions_Call{Call: _e.mock.On("GetQueryVChanPositions",
|
|
append([]interface{}{ch}, partitionIDs...)...)}
|
|
}
|
|
|
|
func (_c *NMockHandler_GetQueryVChanPositions_Call) Run(run func(ch RWChannel, partitionIDs ...int64)) *NMockHandler_GetQueryVChanPositions_Call {
|
|
_c.Call.Run(func(args mock.Arguments) {
|
|
variadicArgs := make([]int64, len(args)-1)
|
|
for i, a := range args[1:] {
|
|
if a != nil {
|
|
variadicArgs[i] = a.(int64)
|
|
}
|
|
}
|
|
run(args[0].(RWChannel), variadicArgs...)
|
|
})
|
|
return _c
|
|
}
|
|
|
|
func (_c *NMockHandler_GetQueryVChanPositions_Call) Return(_a0 *datapb.VchannelInfo) *NMockHandler_GetQueryVChanPositions_Call {
|
|
_c.Call.Return(_a0)
|
|
return _c
|
|
}
|
|
|
|
func (_c *NMockHandler_GetQueryVChanPositions_Call) RunAndReturn(run func(RWChannel, ...int64) *datapb.VchannelInfo) *NMockHandler_GetQueryVChanPositions_Call {
|
|
_c.Call.Return(run)
|
|
return _c
|
|
}
|
|
|
|
// ListLoadedSegments provides a mock function with given fields: ctx
|
|
func (_m *NMockHandler) ListLoadedSegments(ctx context.Context) ([]int64, error) {
|
|
ret := _m.Called(ctx)
|
|
|
|
if len(ret) == 0 {
|
|
panic("no return value specified for ListLoadedSegments")
|
|
}
|
|
|
|
var r0 []int64
|
|
var r1 error
|
|
if rf, ok := ret.Get(0).(func(context.Context) ([]int64, error)); ok {
|
|
return rf(ctx)
|
|
}
|
|
if rf, ok := ret.Get(0).(func(context.Context) []int64); ok {
|
|
r0 = rf(ctx)
|
|
} else {
|
|
if ret.Get(0) != nil {
|
|
r0 = ret.Get(0).([]int64)
|
|
}
|
|
}
|
|
|
|
if rf, ok := ret.Get(1).(func(context.Context) error); ok {
|
|
r1 = rf(ctx)
|
|
} else {
|
|
r1 = ret.Error(1)
|
|
}
|
|
|
|
return r0, r1
|
|
}
|
|
|
|
// NMockHandler_ListLoadedSegments_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'ListLoadedSegments'
|
|
type NMockHandler_ListLoadedSegments_Call struct {
|
|
*mock.Call
|
|
}
|
|
|
|
// ListLoadedSegments is a helper method to define mock.On call
|
|
// - ctx context.Context
|
|
func (_e *NMockHandler_Expecter) ListLoadedSegments(ctx interface{}) *NMockHandler_ListLoadedSegments_Call {
|
|
return &NMockHandler_ListLoadedSegments_Call{Call: _e.mock.On("ListLoadedSegments", ctx)}
|
|
}
|
|
|
|
func (_c *NMockHandler_ListLoadedSegments_Call) Run(run func(ctx context.Context)) *NMockHandler_ListLoadedSegments_Call {
|
|
_c.Call.Run(func(args mock.Arguments) {
|
|
run(args[0].(context.Context))
|
|
})
|
|
return _c
|
|
}
|
|
|
|
func (_c *NMockHandler_ListLoadedSegments_Call) Return(_a0 []int64, _a1 error) *NMockHandler_ListLoadedSegments_Call {
|
|
_c.Call.Return(_a0, _a1)
|
|
return _c
|
|
}
|
|
|
|
func (_c *NMockHandler_ListLoadedSegments_Call) RunAndReturn(run func(context.Context) ([]int64, error)) *NMockHandler_ListLoadedSegments_Call {
|
|
_c.Call.Return(run)
|
|
return _c
|
|
}
|
|
|
|
// NewNMockHandler creates a new instance of NMockHandler. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
|
|
// The first argument is typically a *testing.T value.
|
|
func NewNMockHandler(t interface {
|
|
mock.TestingT
|
|
Cleanup(func())
|
|
}) *NMockHandler {
|
|
mock := &NMockHandler{}
|
|
mock.Mock.Test(t)
|
|
|
|
t.Cleanup(func() { mock.AssertExpectations(t) })
|
|
|
|
return mock
|
|
}
|