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move thwork/metadata into thrift/metadata
Summary: move thwork/metadata into thrift/metadata Reviewed By: podtserkovskiy Differential Revision: D63093972 fbshipit-source-id: dc864116d3adbc503858da6a0b692fed22abca65
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package metadata | ||
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import ( | ||
"github.com/facebook/fbthrift/thrift/lib/thrift/metadata" | ||
) | ||
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// ProcessorWithMetadata is an interface for Processors | ||
// that are able to provide their Thrift metadata. | ||
type ProcessorWithMetadata interface { | ||
GetThriftMetadata() *metadata.ThriftMetadata | ||
} | ||
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// ThriftMetadataCombiner combines metadata from multiple Processors. | ||
type ThriftMetadataCombiner struct { | ||
processors []ProcessorWithMetadata | ||
} | ||
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// NewThriftMetadataCombiner creates a new Thrift metadata combiner. | ||
func NewThriftMetadataCombiner() *ThriftMetadataCombiner { | ||
return &ThriftMetadataCombiner{} | ||
} | ||
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// AddProcessor adds a Processor to the Thrift metadata. | ||
func (tm *ThriftMetadataCombiner) AddProcessor(p ProcessorWithMetadata) { | ||
tm.processors = append(tm.processors, p) | ||
} | ||
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// GetCombinedThriftMetadata returns Thrift metadata combined from all added Processors. | ||
func (tm *ThriftMetadataCombiner) GetCombinedThriftMetadata() *metadata.ThriftMetadata { | ||
allServices := make(map[string]*metadata.ThriftService) | ||
allEnums := make(map[string]*metadata.ThriftEnum) | ||
allStructs := make(map[string]*metadata.ThriftStruct) | ||
allExceptions := make(map[string]*metadata.ThriftException) | ||
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for _, processor := range tm.processors { | ||
md := processor.GetThriftMetadata() | ||
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for serviceName, thriftService := range md.GetServices() { | ||
allServices[serviceName] = thriftService | ||
} | ||
for enumName, thriftEnum := range md.GetEnums() { | ||
allEnums[enumName] = thriftEnum | ||
} | ||
for structName, thriftStruct := range md.GetStructs() { | ||
allStructs[structName] = thriftStruct | ||
} | ||
for exceptionName, thriftException := range md.GetExceptions() { | ||
allExceptions[exceptionName] = thriftException | ||
} | ||
} | ||
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return metadata.NewThriftMetadata(). | ||
SetEnums(allEnums). | ||
SetStructs(allStructs). | ||
SetExceptions(allExceptions). | ||
SetServices(allServices) | ||
} | ||
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// GetServiceContexts returns Thrift service context references for all added Processors. | ||
func (tm *ThriftMetadataCombiner) GetServiceContexts() []*metadata.ThriftServiceContextRef { | ||
md := tm.GetCombinedThriftMetadata() | ||
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serviceContexts := make([]*metadata.ThriftServiceContextRef, 0, len(md.GetServices())) | ||
for serviceName := range md.GetServices() { | ||
sc := metadata.NewThriftServiceContextRef(). | ||
SetServiceName(serviceName). | ||
SetModule( | ||
metadata.NewThriftModuleContext(). | ||
SetName(serviceName), | ||
) | ||
serviceContexts = append(serviceContexts, sc) | ||
} | ||
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return serviceContexts | ||
} | ||
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// GetThriftServiceMetadataResponse returns a Thrift service metadata response for all added Processors. | ||
func (tm *ThriftMetadataCombiner) GetThriftServiceMetadataResponse() *metadata.ThriftServiceMetadataResponse { | ||
thriftMetadata := tm.GetCombinedThriftMetadata() | ||
serviceContexts := tm.GetServiceContexts() | ||
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return metadata.NewThriftServiceMetadataResponse(). | ||
SetContext( | ||
metadata.NewThriftServiceContext(). | ||
SetServiceInfo( | ||
metadata.NewThriftService(). | ||
SetName(""). | ||
SetFunctions(nil), | ||
). | ||
SetModule( | ||
metadata.NewThriftModuleContext(). | ||
SetName("thwork"), | ||
), | ||
). | ||
SetMetadata(thriftMetadata). | ||
SetServices(serviceContexts) | ||
} |