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/*
* Copyright 2018-present Open Networking Foundation
* 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 kafka
import (
"context"
)
type callback func(bool, interface{})
// A Topic definition - may be augmented with additional attributes eventually
type Topic struct {
// The name of the topic. It must start with a letter,
// and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`),
// underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent
// signs (`%`).
Name string
}
type KVArg struct {
Key string
Value interface{}
}
// Client represents the set of APIs a Messaging Client must implement - In progress
type Client interface {
Start()
Stop()
Subscribe(ctx context.Context, topic *Topic, cb callback, targetInterfaces ...interface{})
Publish(ctx context.Context, rpc string, cb callback, topic *Topic, waitForResponse bool, kvArgs ...*KVArg)
Unsubscribe(ctx context.Context, topic *Topic)
}