mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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4047c0877a
* Update api for Must constructors, with SDK helpers * Update for Must constructors, leaving TODOs about global errors * Add tests * Move Must methods into metric.Must * Apply the feedback * Remove interfaces * Remove more interfaces * Again... * Remove a sentence about a dead inteface
89 lines
3.0 KiB
Go
89 lines
3.0 KiB
Go
// Copyright 2020, OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metric
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// MeterMust is a wrapper for Meter interfaces that panics when any
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// instrument constructor encounters an error.
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type MeterMust struct {
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meter Meter
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}
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// Must constructs a MeterMust implementation from a Meter, allowing
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// the application to panic when any instrument constructor yields an
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// error.
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func Must(meter Meter) MeterMust {
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return MeterMust{meter: meter}
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}
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// NewInt64Counter calls `Meter.NewInt64Counter` and returns the
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// instrument, panicking if it encounters an error.
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func (mm MeterMust) NewInt64Counter(name string, cos ...CounterOptionApplier) Int64Counter {
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if inst, err := mm.meter.NewInt64Counter(name, cos...); err != nil {
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panic(err)
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} else {
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return inst
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}
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}
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// NewFloat64Counter calls `Meter.NewFloat64Counter` and returns the
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// instrument, panicking if it encounters an error.
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func (mm MeterMust) NewFloat64Counter(name string, cos ...CounterOptionApplier) Float64Counter {
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if inst, err := mm.meter.NewFloat64Counter(name, cos...); err != nil {
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panic(err)
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} else {
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return inst
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}
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}
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// NewInt64Measure calls `Meter.NewInt64Measure` and returns the
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// instrument, panicking if it encounters an error.
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func (mm MeterMust) NewInt64Measure(name string, mos ...MeasureOptionApplier) Int64Measure {
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if inst, err := mm.meter.NewInt64Measure(name, mos...); err != nil {
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panic(err)
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} else {
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return inst
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}
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}
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// NewFloat64Measure calls `Meter.NewFloat64Measure` and returns the
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// instrument, panicking if it encounters an error.
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func (mm MeterMust) NewFloat64Measure(name string, mos ...MeasureOptionApplier) Float64Measure {
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if inst, err := mm.meter.NewFloat64Measure(name, mos...); err != nil {
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panic(err)
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} else {
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return inst
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}
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}
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// RegisterInt64Observer calls `Meter.RegisterInt64Observer` and
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// returns the instrument, panicking if it encounters an error.
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func (mm MeterMust) RegisterInt64Observer(name string, callback Int64ObserverCallback, oos ...ObserverOptionApplier) Int64Observer {
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if inst, err := mm.meter.RegisterInt64Observer(name, callback, oos...); err != nil {
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panic(err)
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} else {
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return inst
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}
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}
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// RegisterFloat64Observer calls `Meter.RegisterFloat64Observer` and
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// returns the instrument, panicking if it encounters an error.
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func (mm MeterMust) RegisterFloat64Observer(name string, callback Float64ObserverCallback, oos ...ObserverOptionApplier) Float64Observer {
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if inst, err := mm.meter.RegisterFloat64Observer(name, callback, oos...); err != nil {
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panic(err)
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} else {
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return inst
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}
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}
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