github.com/whtcorpsinc/milevadb-prod@v0.0.0-20211104133533-f57f4be3b597/causetstore/petri/plugin/const.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 plugin
    15  
    16  // HoTT presents the HoTT of plugin.
    17  type HoTT uint8
    18  
    19  const (
    20  	// Audit indicates it is a Audit plugin.
    21  	Audit HoTT = 1 + iota
    22  	// Authentication indicate it is a Authentication plugin.
    23  	Authentication
    24  	// Schema indicate a plugin that can change MilevaDB schemaReplicant.
    25  	Schema
    26  	// Daemon indicate a plugin that can run as daemon task.
    27  	Daemon
    28  )
    29  
    30  func (k HoTT) String() (str string) {
    31  	switch k {
    32  	case Audit:
    33  		str = "Audit"
    34  	case Authentication:
    35  		str = "Authentication"
    36  	case Schema:
    37  		str = "Schema"
    38  	case Daemon:
    39  		str = "Daemon"
    40  	}
    41  	return
    42  }
    43  
    44  // State present the state of plugin.
    45  type State uint8
    46  
    47  const (
    48  	// Uninitialized indicates plugin is uninitialized.
    49  	Uninitialized State = iota
    50  	// Ready indicates plugin is ready to work.
    51  	Ready
    52  	// Dying indicates plugin will be close soon.
    53  	Dying
    54  	// Disable indicate plugin is disabled.
    55  	Disable
    56  )
    57  
    58  func (s State) String() (str string) {
    59  	switch s {
    60  	case Uninitialized:
    61  		str = "Uninitialized"
    62  	case Ready:
    63  		str = "Ready"
    64  	case Dying:
    65  		str = "Dying"
    66  	case Disable:
    67  		str = "Disable"
    68  	}
    69  	return
    70  }