mode

package

v1.0.0-alpha Latest Latest Go to latest Published: Jan 21, 2019 License: Apache-2.0 Imports: 4 Imported by: 0

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type SafeMode struct {
	// contains filtered or unexported fields
}

SafeMode controls whether enable safe-mode through a mechanism similar to reference-count indicates enabled excepting the count is 0

func NewSafeMode() *SafeMode

NewSafeMode creates a new SafeMode instance

func (m *SafeMode) Add(n int32) error

Add adds n to the count, n can be negative

func (m *SafeMode) DescForTable(schema, table string) error

DescForTable tries to add -1 on the count if the table added before

func (m *SafeMode) Enable() bool

Enable returns whether is enabled currently

func (m *SafeMode) IncrForTable(schema, table string) error

IncrForTable tries to add 1 on the count if the table not added before can only be desc with DescForTable

func (m *SafeMode) Reset()

Reset resets to the state of not-enable