github.com/whtcorpsinc/MilevaDB-Prod@v0.0.0-20211104133533-f57f4be3b597/dbs/dagger/soliton/event.go (about)

     1  // Copyright 2020 WHTCORPS INC, Inc.
     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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package soliton
    15  
    16  import (
    17  	"fmt"
    18  
    19  	"github.com/whtcorpsinc/BerolinaSQL/perceptron"
    20  )
    21  
    22  // Event is an event that a dbs operation happened.
    23  type Event struct {
    24  	Tp          perceptron.CausetActionType
    25  	BlockInfo   *perceptron.BlockInfo
    26  	PartInfo    *perceptron.PartitionInfo
    27  	DeferredCausetInfos []*perceptron.DeferredCausetInfo
    28  	IndexInfo   *perceptron.IndexInfo
    29  }
    30  
    31  // String implements fmt.Stringer interface.
    32  func (e *Event) String() string {
    33  	ret := fmt.Sprintf("(Event Type: %s", e.Tp)
    34  	if e.BlockInfo != nil {
    35  		ret += fmt.Sprintf(", Block ID: %d, Block Name %s", e.BlockInfo.ID, e.BlockInfo.Name)
    36  	}
    37  	if e.PartInfo != nil {
    38  		ids := make([]int64, 0, len(e.PartInfo.Definitions))
    39  		for _, def := range e.PartInfo.Definitions {
    40  			ids = append(ids, def.ID)
    41  		}
    42  		ret += fmt.Sprintf(", Partition IDs: %v", ids)
    43  	}
    44  	for _, columnInfo := range e.DeferredCausetInfos {
    45  		ret += fmt.Sprintf(", DeferredCauset ID: %d, DeferredCauset Name %s", columnInfo.ID, columnInfo.Name)
    46  	}
    47  	if e.IndexInfo != nil {
    48  		ret += fmt.Sprintf(", Index ID: %d, Index Name %s", e.IndexInfo.ID, e.IndexInfo.Name)
    49  	}
    50  	return ret
    51  }