scouter.server.db.AlertRD.scala Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* 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 scouter.server.db;
import scouter.server.db.alert.AlertIndex
import scouter.server.db.alert.AlertReader
import scouter.util.DateUtil
import scouter.util.FileUtil
import java.io.File
object AlertRD {
val alert = "alert"
def readByTime(date: String, fromTime: Long, toTime: Long, handler: (Long, Array[Byte]) => Any) {
val path = AlertWR.getDBPath(date)
if (new File(path).canRead()) {
val file = path + "/" + alert
var reader: AlertReader = null
var index: AlertIndex = null
try {
reader = AlertReader.open(file)
index = AlertIndex.open(file)
index.read(fromTime, toTime, handler, reader.read)
} catch {
case e: Throwable => e.printStackTrace()
} finally {
FileUtil.close(index)
FileUtil.close(reader)
}
}
}
def readFromEndTime(date: String, fromTime: Long, toTime: Long, handler: (Long, Array[Byte]) => Unit) {
val path = AlertWR.getDBPath(date)
if (new File(path).canRead()) {
val file = path + "/" + alert
var reader: AlertReader = null
var index: AlertIndex = null
try {
reader = AlertReader.open(file)
index = AlertIndex.open(file)
index.readFromEnd(fromTime, toTime, handler, reader.read)
} catch {
case e: Throwable => e.printStackTrace()
} finally {
FileUtil.close(index)
FileUtil.close(reader)
}
}
}
def readByTime(date: String, handler: (Long, Array[Byte]) => Unit) {
val stime = DateUtil.yyyymmdd(date)
val etime = stime + DateUtil.MILLIS_PER_DAY
readByTime(date, stime, etime, handler)
}
def readFromEndTime(date: String, handler: (Long, Array[Byte]) => Unit) {
val stime = DateUtil.yyyymmdd(date)
val etime = stime + DateUtil.MILLIS_PER_DAY
readFromEndTime(date, stime, etime, handler)
}
}