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DolphinScheduler
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4d0eb509
DolphinScheduler
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体验新版 GitCode,发现更多精彩内容 >>
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4d0eb509
编写于
9月 05, 2019
作者:
L
lidongdai
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add AbstractServer.java
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escheduler-server/src/main/java/cn/escheduler/server/master/AbstractServer.java
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escheduler-server/src/main/java/cn/escheduler/server/master/AbstractServer.java
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/*
* 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
cn.escheduler.server.master
;
import
cn.escheduler.common.IStoppable
;
import
org.apache.commons.configuration.Configuration
;
import
org.slf4j.Logger
;
import
org.slf4j.LoggerFactory
;
import
org.springframework.boot.CommandLineRunner
;
import
org.springframework.context.annotation.ComponentScan
;
/**
* master server
*/
@ComponentScan
(
"cn.escheduler"
)
public
abstract
class
AbstractServer
implements
CommandLineRunner
,
IStoppable
{
private
static
final
Logger
logger
=
LoggerFactory
.
getLogger
(
AbstractServer
.
class
);
/**
* conf
*/
protected
static
Configuration
conf
;
/**
* object lock
*/
protected
final
Object
lock
=
new
Object
();
/**
* whether or not to close the state
*/
protected
boolean
terminated
=
false
;
/**
* heartbeat interval, unit second
*/
protected
int
heartBeatInterval
;
/**
* blocking implement
* @throws InterruptedException
*/
public
void
awaitTermination
()
throws
InterruptedException
{
synchronized
(
lock
)
{
while
(!
terminated
)
{
lock
.
wait
();
}
}
}
/**
* Callback used to run the bean.
* @param args incoming main method arguments
* @throws Exception on error
*/
@Override
public
abstract
void
run
(
String
...
args
)
throws
Exception
;
/**
* gracefully stop
* @param cause why stopping
*/
@Override
public
abstract
void
stop
(
String
cause
);
}
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