github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/tasks/ops/ops.go (about)

     1  // Copyright 2021 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package ops
    16  
    17  import (
    18  	"context"
    19  	"time"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/common/moerr"
    22  	iops "github.com/matrixorigin/matrixone/pkg/vm/engine/tae/tasks/ops/base"
    23  	iworker "github.com/matrixorigin/matrixone/pkg/vm/engine/tae/tasks/worker/base"
    24  )
    25  
    26  func NewOp(impl iops.IOpInternal, w iworker.IOpWorker) *Op {
    27  	op := &Op{
    28  		Impl:       impl,
    29  		Worker:     w,
    30  		CreateTime: time.Now(),
    31  	}
    32  	return op
    33  }
    34  
    35  func (op *Op) Push() error {
    36  	r := op.Worker.SendOp(op)
    37  	if !r {
    38  		return moerr.NewInternalErrorNoCtx("send op error")
    39  	}
    40  	return nil
    41  }
    42  
    43  func (op *Op) GetError() error {
    44  	return op.Err
    45  }
    46  
    47  func (op *Op) SetError(err error) {
    48  	op.EndTime = time.Now()
    49  	op.Err = err
    50  	if op.ErrorC != nil {
    51  		op.ErrorC <- err
    52  	} else if op.DoneCB != nil {
    53  		op.DoneCB(op)
    54  	} else {
    55  		panic("logic error")
    56  	}
    57  	if op.Observers != nil {
    58  		for _, observer := range op.Observers {
    59  			observer.OnExecDone(op.Impl)
    60  		}
    61  	}
    62  }
    63  
    64  func (op *Op) Waitable() bool {
    65  	return op.DoneCB == nil
    66  }
    67  
    68  func (op *Op) WaitDone(ctx context.Context) error {
    69  	if op.WaitedOnce.Load() {
    70  		return moerr.NewTAEErrorNoCtx("wait done twice")
    71  	}
    72  	defer op.WaitedOnce.Store(true)
    73  
    74  	if op.ErrorC == nil {
    75  		return moerr.NewTAEErrorNoCtx("wait done without error channel")
    76  	}
    77  	select {
    78  	case err := <-op.ErrorC:
    79  		return err
    80  	case <-ctx.Done():
    81  		return ctx.Err()
    82  	}
    83  }
    84  
    85  func (op *Op) PreExecute() error {
    86  	return nil
    87  }
    88  
    89  func (op *Op) PostExecute() error {
    90  	return nil
    91  }
    92  
    93  func (op *Op) Execute() error {
    94  	return nil
    95  }
    96  
    97  func (op *Op) OnExec(ctx context.Context) error {
    98  	op.StartTime = time.Now()
    99  	err := op.Impl.PreExecute()
   100  	if err != nil {
   101  		return err
   102  	}
   103  	err = op.Impl.Execute(ctx)
   104  	if err != nil {
   105  		return err
   106  	}
   107  	err = op.Impl.PostExecute()
   108  	return err
   109  }
   110  
   111  func (op *Op) GetCreateTime() time.Time {
   112  	return op.CreateTime
   113  }
   114  
   115  func (op *Op) GetStartTime() time.Time {
   116  	return op.StartTime
   117  }
   118  
   119  func (op *Op) GetEndTime() time.Time {
   120  	return op.EndTime
   121  }
   122  
   123  func (op *Op) GetExecutTime() int64 {
   124  	return op.EndTime.Sub(op.StartTime).Microseconds()
   125  }
   126  
   127  func (op *Op) AddObserver(o iops.Observer) {
   128  	if op.Observers == nil {
   129  		op.Observers = make([]iops.Observer, 0)
   130  	}
   131  	op.Observers = append(op.Observers, o)
   132  }