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link.go
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link.go
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// Copyright (c) 2016 Pulcy.
//
// Licensed 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 jobs
import (
"reflect"
"github.com/juju/errgo"
)
type Link struct {
Target LinkName `json:"target"`
Type LinkType `json:"type,omitempty" mapstructure:"type,omitempty"`
Ports []int `json:"ports,omitempty" mapstructure:"ports,omitempty"`
}
func (l Link) replaceVariables(ctx *variableContext) Link {
l.Target = LinkName(ctx.replaceString(string(l.Target)))
l.Type = LinkType(ctx.replaceString(string(l.Type)))
return l
}
func (l Link) Equals(other Link) bool {
return reflect.DeepEqual(l, other)
}
func (l Link) Validate() error {
if err := l.Target.Validate(); err != nil {
return maskAny(err)
}
if err := l.Type.Validate(); err != nil {
return maskAny(err)
}
if len(l.Ports) == 0 && l.Type.IsTCP() {
return maskAny(errgo.WithCausef(nil, ValidationError, "specify at least one port in a tcp link"))
}
if len(l.Ports) != 0 && !l.Type.IsTCP() {
return maskAny(errgo.WithCausef(nil, ValidationError, "ports are not allowed in non-tcp links"))
}
return nil
}
type Links []Link
func (list Links) Add(l Link) Links {
for _, x := range list {
if x.Equals(l) {
return list
}
}
return append(list, l)
}