metrics/util/aggregate/pane.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 aggregate

// pane represents a window over a period of time.
// It uses interface{} to store any type of value.
type pane struct {
	startInMs    int64
	endInMs      int64
	intervalInMs int64
	value        interface{}
}

func newPane(intervalInMs, startInMs int64, value interface{}) *pane {
	return &pane{
		startInMs:    startInMs,
		endInMs:      startInMs + intervalInMs,
		intervalInMs: intervalInMs,
		value:        value,
	}
}

func (p *pane) resetTo(startInMs int64, value interface{}) {
	p.startInMs = startInMs
	p.endInMs = startInMs + p.intervalInMs
	p.value = value
}