thrift/options.go

// Copyright (c) 2015 Uber Technologies, Inc.

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// of this software and associated documentation files (the "Software"), to deal
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// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// THE SOFTWARE.

package thrift

import (
	"github.com/uber/tchannel-go/thirdparty/github.com/apache/thrift/lib/go/thrift"
	"golang.org/x/net/context"
)

// RegisterOption is the interface for options to Register.
type RegisterOption interface {
	Apply(h *handler)
}

// PostResponseCB registers a callback that is run after a response has been
// compeltely processed (e.g. written to the channel).
// This gives the server a chance to clean up resources from the response object
type PostResponseCB func(ctx context.Context, method string, response thrift.TStruct)

type optPostResponse PostResponseCB

// OptPostResponse registers a PostResponseCB.
func OptPostResponse(cb PostResponseCB) RegisterOption {
	return optPostResponse(cb)
}

func (o optPostResponse) Apply(h *handler) {
	h.postResponseCB = PostResponseCB(o)
}