concurrency

package
Version: v2.0.0+incompatible Latest Latest
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Published: Jul 12, 2016 License: BSD-3-Clause Imports: 4 Imported by: 0

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Types

type AllErrorAggregator

type AllErrorAggregator func(errors []error) error

AllErrorAggregator aggregates errors.

type AllErrorRecorder

type AllErrorRecorder struct {
	Errors []error
	// contains filtered or unexported fields
}

AllErrorRecorder records all the errors.

func (*AllErrorRecorder) AggrError

func (aer *AllErrorRecorder) AggrError(aggr AllErrorAggregator) error

AggrError runs the provided aggregator over all errors and returns the error from aggregator.

func (*AllErrorRecorder) Error

func (aer *AllErrorRecorder) Error() error

Error returns an aggregate of all errors by concatenation.

func (*AllErrorRecorder) ErrorStrings

func (aer *AllErrorRecorder) ErrorStrings() []string

ErrorStrings returns all errors as string array.

func (*AllErrorRecorder) HasErrors

func (aer *AllErrorRecorder) HasErrors() bool

HasErrors returns true if we ever recorded an error

func (*AllErrorRecorder) RecordError

func (aer *AllErrorRecorder) RecordError(err error)

RecordError records a possible error: - does nothing if err is nil

type ErrorRecorder

type ErrorRecorder interface {
	RecordError(error)
	HasErrors() bool
	Error() error
}

ErrorRecorder offers a way to record errors during complex asynchronous operations. Various implementation will offer different services.

type FirstErrorRecorder

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

FirstErrorRecorder records the first error, logs the others. Error() will return the first recorded error or nil.

func (*FirstErrorRecorder) Error

func (fer *FirstErrorRecorder) Error() error

Error returns the first error we saw, or nil

func (*FirstErrorRecorder) HasErrors

func (fer *FirstErrorRecorder) HasErrors() bool

HasErrors returns true if we ever recorded an error

func (*FirstErrorRecorder) RecordError

func (fer *FirstErrorRecorder) RecordError(err error)

RecordError records a possible error: - does nothing if err is nil - only records the first error reported - the rest is just logged

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