mirror of
https://github.com/aljazceru/kata-containers.git
synced 2026-01-06 07:54:22 +01:00
Add initial support for opentracing by using the `jaeger` package.
Since opentracing uses the `context` package, add a `context.Context`
as the first parameter to all the functions that we might want to
trace. Trace "spans" (trace points) are then added by extracting the
trace details from the specified context parameter.
Notes:
- Although the tracer is created in `main()`, the "root span"
(aka the first trace point) is not added until `beforeSubcommands()`.
This is by design and is a compromise: by delaying the creation of the
root span, the spans become much more readable since using the web-based
JaegerUI, you will see traces like this:
```
kata-runtime: kata-runtime create
------------ -------------------
^ ^
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Trace name First span name
(which clearly shows the CLI command that was run)
```
Creating the span earlier means it is necessary to expand 'n' spans in
the UI before you get to see the name of the CLI command that was run.
In adding support, this became very tedious, hence my design decision to
defer the creation of the root span until after signal handling has been
setup and after CLI options have been parsed, but still very early in
the code path.
- At this stage, the tracing stops at the `virtcontainers` call
boundary.
- Tracing is "always on" as there doesn't appear to be a way to toggle
it. However, its resolves to a "nop" unless the tracer can talk to a
jaeger agent.
Note that this commit required a bit of rework to `beforeSubcommands()`
to reduce the cyclomatic complexity.
Fixes #557.
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
436 lines
14 KiB
Go
436 lines
14 KiB
Go
// Autogenerated by Thrift Compiler (0.9.3)
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// DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
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package baggage
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import (
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"bytes"
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"fmt"
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"github.com/uber/jaeger-client-go/thrift"
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)
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// (needed to ensure safety because of naive import list construction.)
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var _ = thrift.ZERO
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var _ = fmt.Printf
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var _ = bytes.Equal
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type BaggageRestrictionManager interface {
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// getBaggageRestrictions retrieves the baggage restrictions for a specific service.
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// Usually, baggageRestrictions apply to all services however there may be situations
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// where a baggageKey might only be allowed to be set by a specific service.
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//
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// Parameters:
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// - ServiceName
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GetBaggageRestrictions(serviceName string) (r []*BaggageRestriction, err error)
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}
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type BaggageRestrictionManagerClient struct {
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Transport thrift.TTransport
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ProtocolFactory thrift.TProtocolFactory
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InputProtocol thrift.TProtocol
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OutputProtocol thrift.TProtocol
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SeqId int32
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}
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func NewBaggageRestrictionManagerClientFactory(t thrift.TTransport, f thrift.TProtocolFactory) *BaggageRestrictionManagerClient {
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return &BaggageRestrictionManagerClient{Transport: t,
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ProtocolFactory: f,
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InputProtocol: f.GetProtocol(t),
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OutputProtocol: f.GetProtocol(t),
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SeqId: 0,
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}
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}
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func NewBaggageRestrictionManagerClientProtocol(t thrift.TTransport, iprot thrift.TProtocol, oprot thrift.TProtocol) *BaggageRestrictionManagerClient {
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return &BaggageRestrictionManagerClient{Transport: t,
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ProtocolFactory: nil,
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InputProtocol: iprot,
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OutputProtocol: oprot,
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SeqId: 0,
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}
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}
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// getBaggageRestrictions retrieves the baggage restrictions for a specific service.
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// Usually, baggageRestrictions apply to all services however there may be situations
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// where a baggageKey might only be allowed to be set by a specific service.
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//
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// Parameters:
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// - ServiceName
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func (p *BaggageRestrictionManagerClient) GetBaggageRestrictions(serviceName string) (r []*BaggageRestriction, err error) {
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if err = p.sendGetBaggageRestrictions(serviceName); err != nil {
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return
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}
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return p.recvGetBaggageRestrictions()
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}
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func (p *BaggageRestrictionManagerClient) sendGetBaggageRestrictions(serviceName string) (err error) {
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oprot := p.OutputProtocol
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if oprot == nil {
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oprot = p.ProtocolFactory.GetProtocol(p.Transport)
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p.OutputProtocol = oprot
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}
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p.SeqId++
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if err = oprot.WriteMessageBegin("getBaggageRestrictions", thrift.CALL, p.SeqId); err != nil {
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return
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}
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args := BaggageRestrictionManagerGetBaggageRestrictionsArgs{
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ServiceName: serviceName,
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}
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if err = args.Write(oprot); err != nil {
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return
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}
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if err = oprot.WriteMessageEnd(); err != nil {
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return
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}
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return oprot.Flush()
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}
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func (p *BaggageRestrictionManagerClient) recvGetBaggageRestrictions() (value []*BaggageRestriction, err error) {
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iprot := p.InputProtocol
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if iprot == nil {
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iprot = p.ProtocolFactory.GetProtocol(p.Transport)
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p.InputProtocol = iprot
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}
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method, mTypeId, seqId, err := iprot.ReadMessageBegin()
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if err != nil {
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return
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}
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if method != "getBaggageRestrictions" {
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err = thrift.NewTApplicationException(thrift.WRONG_METHOD_NAME, "getBaggageRestrictions failed: wrong method name")
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return
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}
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if p.SeqId != seqId {
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err = thrift.NewTApplicationException(thrift.BAD_SEQUENCE_ID, "getBaggageRestrictions failed: out of sequence response")
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return
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}
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if mTypeId == thrift.EXCEPTION {
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error0 := thrift.NewTApplicationException(thrift.UNKNOWN_APPLICATION_EXCEPTION, "Unknown Exception")
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var error1 error
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error1, err = error0.Read(iprot)
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if err != nil {
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return
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}
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if err = iprot.ReadMessageEnd(); err != nil {
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return
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}
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err = error1
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return
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}
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if mTypeId != thrift.REPLY {
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err = thrift.NewTApplicationException(thrift.INVALID_MESSAGE_TYPE_EXCEPTION, "getBaggageRestrictions failed: invalid message type")
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return
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}
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result := BaggageRestrictionManagerGetBaggageRestrictionsResult{}
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if err = result.Read(iprot); err != nil {
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return
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}
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if err = iprot.ReadMessageEnd(); err != nil {
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return
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}
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value = result.GetSuccess()
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return
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}
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type BaggageRestrictionManagerProcessor struct {
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processorMap map[string]thrift.TProcessorFunction
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handler BaggageRestrictionManager
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}
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func (p *BaggageRestrictionManagerProcessor) AddToProcessorMap(key string, processor thrift.TProcessorFunction) {
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p.processorMap[key] = processor
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}
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func (p *BaggageRestrictionManagerProcessor) GetProcessorFunction(key string) (processor thrift.TProcessorFunction, ok bool) {
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processor, ok = p.processorMap[key]
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return processor, ok
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}
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func (p *BaggageRestrictionManagerProcessor) ProcessorMap() map[string]thrift.TProcessorFunction {
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return p.processorMap
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}
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func NewBaggageRestrictionManagerProcessor(handler BaggageRestrictionManager) *BaggageRestrictionManagerProcessor {
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self2 := &BaggageRestrictionManagerProcessor{handler: handler, processorMap: make(map[string]thrift.TProcessorFunction)}
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self2.processorMap["getBaggageRestrictions"] = &baggageRestrictionManagerProcessorGetBaggageRestrictions{handler: handler}
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return self2
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}
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func (p *BaggageRestrictionManagerProcessor) Process(iprot, oprot thrift.TProtocol) (success bool, err thrift.TException) {
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name, _, seqId, err := iprot.ReadMessageBegin()
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if err != nil {
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return false, err
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}
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if processor, ok := p.GetProcessorFunction(name); ok {
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return processor.Process(seqId, iprot, oprot)
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}
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iprot.Skip(thrift.STRUCT)
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iprot.ReadMessageEnd()
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x3 := thrift.NewTApplicationException(thrift.UNKNOWN_METHOD, "Unknown function "+name)
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oprot.WriteMessageBegin(name, thrift.EXCEPTION, seqId)
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x3.Write(oprot)
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oprot.WriteMessageEnd()
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oprot.Flush()
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return false, x3
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}
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type baggageRestrictionManagerProcessorGetBaggageRestrictions struct {
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handler BaggageRestrictionManager
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}
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func (p *baggageRestrictionManagerProcessorGetBaggageRestrictions) Process(seqId int32, iprot, oprot thrift.TProtocol) (success bool, err thrift.TException) {
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args := BaggageRestrictionManagerGetBaggageRestrictionsArgs{}
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if err = args.Read(iprot); err != nil {
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iprot.ReadMessageEnd()
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x := thrift.NewTApplicationException(thrift.PROTOCOL_ERROR, err.Error())
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oprot.WriteMessageBegin("getBaggageRestrictions", thrift.EXCEPTION, seqId)
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x.Write(oprot)
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oprot.WriteMessageEnd()
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oprot.Flush()
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return false, err
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}
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iprot.ReadMessageEnd()
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result := BaggageRestrictionManagerGetBaggageRestrictionsResult{}
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var retval []*BaggageRestriction
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var err2 error
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if retval, err2 = p.handler.GetBaggageRestrictions(args.ServiceName); err2 != nil {
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x := thrift.NewTApplicationException(thrift.INTERNAL_ERROR, "Internal error processing getBaggageRestrictions: "+err2.Error())
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oprot.WriteMessageBegin("getBaggageRestrictions", thrift.EXCEPTION, seqId)
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x.Write(oprot)
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oprot.WriteMessageEnd()
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oprot.Flush()
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return true, err2
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} else {
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result.Success = retval
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}
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if err2 = oprot.WriteMessageBegin("getBaggageRestrictions", thrift.REPLY, seqId); err2 != nil {
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err = err2
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}
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if err2 = result.Write(oprot); err == nil && err2 != nil {
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err = err2
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}
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if err2 = oprot.WriteMessageEnd(); err == nil && err2 != nil {
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err = err2
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}
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if err2 = oprot.Flush(); err == nil && err2 != nil {
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err = err2
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}
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if err != nil {
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return
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}
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return true, err
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}
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// HELPER FUNCTIONS AND STRUCTURES
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// Attributes:
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// - ServiceName
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type BaggageRestrictionManagerGetBaggageRestrictionsArgs struct {
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ServiceName string `thrift:"serviceName,1" json:"serviceName"`
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}
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func NewBaggageRestrictionManagerGetBaggageRestrictionsArgs() *BaggageRestrictionManagerGetBaggageRestrictionsArgs {
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return &BaggageRestrictionManagerGetBaggageRestrictionsArgs{}
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) GetServiceName() string {
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return p.ServiceName
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) Read(iprot thrift.TProtocol) error {
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if _, err := iprot.ReadStructBegin(); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T read error: ", p), err)
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}
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for {
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_, fieldTypeId, fieldId, err := iprot.ReadFieldBegin()
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if err != nil {
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return thrift.PrependError(fmt.Sprintf("%T field %d read error: ", p, fieldId), err)
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}
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if fieldTypeId == thrift.STOP {
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break
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}
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switch fieldId {
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case 1:
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if err := p.readField1(iprot); err != nil {
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return err
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}
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default:
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if err := iprot.Skip(fieldTypeId); err != nil {
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return err
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}
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}
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if err := iprot.ReadFieldEnd(); err != nil {
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return err
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}
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}
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if err := iprot.ReadStructEnd(); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T read struct end error: ", p), err)
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}
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return nil
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) readField1(iprot thrift.TProtocol) error {
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if v, err := iprot.ReadString(); err != nil {
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return thrift.PrependError("error reading field 1: ", err)
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} else {
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p.ServiceName = v
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}
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return nil
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) Write(oprot thrift.TProtocol) error {
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if err := oprot.WriteStructBegin("getBaggageRestrictions_args"); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T write struct begin error: ", p), err)
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}
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if err := p.writeField1(oprot); err != nil {
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return err
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}
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if err := oprot.WriteFieldStop(); err != nil {
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return thrift.PrependError("write field stop error: ", err)
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}
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if err := oprot.WriteStructEnd(); err != nil {
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return thrift.PrependError("write struct stop error: ", err)
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}
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return nil
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) writeField1(oprot thrift.TProtocol) (err error) {
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if err := oprot.WriteFieldBegin("serviceName", thrift.STRING, 1); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T write field begin error 1:serviceName: ", p), err)
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}
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if err := oprot.WriteString(string(p.ServiceName)); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T.serviceName (1) field write error: ", p), err)
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}
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if err := oprot.WriteFieldEnd(); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T write field end error 1:serviceName: ", p), err)
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}
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return err
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) String() string {
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if p == nil {
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return "<nil>"
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}
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return fmt.Sprintf("BaggageRestrictionManagerGetBaggageRestrictionsArgs(%+v)", *p)
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}
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// Attributes:
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// - Success
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type BaggageRestrictionManagerGetBaggageRestrictionsResult struct {
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Success []*BaggageRestriction `thrift:"success,0" json:"success,omitempty"`
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}
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func NewBaggageRestrictionManagerGetBaggageRestrictionsResult() *BaggageRestrictionManagerGetBaggageRestrictionsResult {
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return &BaggageRestrictionManagerGetBaggageRestrictionsResult{}
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}
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var BaggageRestrictionManagerGetBaggageRestrictionsResult_Success_DEFAULT []*BaggageRestriction
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) GetSuccess() []*BaggageRestriction {
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return p.Success
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) IsSetSuccess() bool {
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return p.Success != nil
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) Read(iprot thrift.TProtocol) error {
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if _, err := iprot.ReadStructBegin(); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T read error: ", p), err)
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}
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for {
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_, fieldTypeId, fieldId, err := iprot.ReadFieldBegin()
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if err != nil {
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return thrift.PrependError(fmt.Sprintf("%T field %d read error: ", p, fieldId), err)
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}
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if fieldTypeId == thrift.STOP {
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break
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}
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switch fieldId {
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case 0:
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if err := p.readField0(iprot); err != nil {
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return err
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}
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default:
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if err := iprot.Skip(fieldTypeId); err != nil {
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return err
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}
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}
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if err := iprot.ReadFieldEnd(); err != nil {
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return err
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}
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}
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if err := iprot.ReadStructEnd(); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T read struct end error: ", p), err)
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}
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return nil
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) readField0(iprot thrift.TProtocol) error {
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_, size, err := iprot.ReadListBegin()
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if err != nil {
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return thrift.PrependError("error reading list begin: ", err)
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}
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tSlice := make([]*BaggageRestriction, 0, size)
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p.Success = tSlice
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for i := 0; i < size; i++ {
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_elem4 := &BaggageRestriction{}
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if err := _elem4.Read(iprot); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T error reading struct: ", _elem4), err)
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}
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p.Success = append(p.Success, _elem4)
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}
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if err := iprot.ReadListEnd(); err != nil {
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return thrift.PrependError("error reading list end: ", err)
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}
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return nil
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) Write(oprot thrift.TProtocol) error {
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if err := oprot.WriteStructBegin("getBaggageRestrictions_result"); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T write struct begin error: ", p), err)
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}
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if err := p.writeField0(oprot); err != nil {
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return err
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}
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if err := oprot.WriteFieldStop(); err != nil {
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return thrift.PrependError("write field stop error: ", err)
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}
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if err := oprot.WriteStructEnd(); err != nil {
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return thrift.PrependError("write struct stop error: ", err)
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}
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return nil
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) writeField0(oprot thrift.TProtocol) (err error) {
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if p.IsSetSuccess() {
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if err := oprot.WriteFieldBegin("success", thrift.LIST, 0); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T write field begin error 0:success: ", p), err)
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}
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if err := oprot.WriteListBegin(thrift.STRUCT, len(p.Success)); err != nil {
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return thrift.PrependError("error writing list begin: ", err)
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}
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for _, v := range p.Success {
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if err := v.Write(oprot); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T error writing struct: ", v), err)
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}
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}
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if err := oprot.WriteListEnd(); err != nil {
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return thrift.PrependError("error writing list end: ", err)
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}
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if err := oprot.WriteFieldEnd(); err != nil {
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return thrift.PrependError(fmt.Sprintf("%T write field end error 0:success: ", p), err)
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}
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}
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return err
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}
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func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) String() string {
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if p == nil {
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return "<nil>"
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}
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return fmt.Sprintf("BaggageRestrictionManagerGetBaggageRestrictionsResult(%+v)", *p)
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}
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