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appflag.go
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appflag.go
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// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package appflag contains functionality to work with flags.
package appflag
import (
"context"
"time"
)
import (
"github.com/spf13/pflag"
)
import (
"github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/app"
"github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/app/applog"
"github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/app/appname"
"github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/app/appverbose"
)
// Container is a container.
type Container interface {
app.Container
appname.Container
applog.Container
appverbose.Container
}
// Interceptor intercepts and adapts the request or response of run functions.
type Interceptor func(func(context.Context, Container) error) func(context.Context, Container) error
// Builder builds run functions.
type Builder interface {
BindRoot(flagSet *pflag.FlagSet)
NewRunFunc(func(context.Context, Container) error, ...Interceptor) func(context.Context, app.Container) error
}
// NewBuilder returns a new Builder.
func NewBuilder(appName string, options ...BuilderOption) Builder {
return newBuilder(appName, options...)
}
// BuilderOption is an option for a new Builder
type BuilderOption func(*builder)
// BuilderWithTimeout returns a new BuilderOption that adds a timeout flag and the default timeout.
func BuilderWithTimeout(defaultTimeout time.Duration) BuilderOption {
return func(builder *builder) {
builder.defaultTimeout = defaultTimeout
}
}
// BuilderWithTracing enables zap tracing for the builder.
func BuilderWithTracing() BuilderOption {
return func(builder *builder) {
builder.tracing = true
}
}