pulsar-function-go/examples/logFunc/logFunc.go

//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 main

import (
	"context"

	"github.com/apache/pulsar/pulsar-function-go/pf"

	log "github.com/apache/pulsar/pulsar-function-go/logutil"
)

func loggerFunc(ctx context.Context, input []byte) {
	if len(input) <= 100 {
		log.Infof("This input has a length of: %d", len(input))
	} else {
		log.Warnf("This input is getting too long! It has {%d} characters", len(input))
	}
}

func main() {
	pf.Start(loggerFunc)
}