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DefaultLifecycleProcessor properly counts dependent beans in same phase

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Issue: SPR-16901
This commit is contained in:
Juergen Hoeller
2018-08-09 17:56:50 +02:00
parent 42dbc39032
commit 6f41d4ec4d
1 changed files with 20 additions and 16 deletions
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36
spring-context/src/main/java/org/springframework/context/support/DefaultLifecycleProcessor.java
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@@ -19,6 +19,7 @@ package org.springframework.context.support;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
@@ -162,7 +163,7 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
/**
* Start the specified bean as part of the given set of Lifecycle beans,
* making sure that any beans that it depends on are started first.
* @param lifecycleBeans Map with bean name as key and Lifecycle instance as value
* @param lifecycleBeans a Map with bean name as key and Lifecycle instance as value
* @param beanName the name of the bean to start
*/
private void doStart(Map<String, ? extends Lifecycle> lifecycleBeans, String beanName, boolean autoStartupOnly) {
@@ -175,7 +176,7 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
if (!bean.isRunning() &&
(!autoStartupOnly || !(bean instanceof SmartLifecycle) || ((SmartLifecycle) bean).isAutoStartup())) {
if (logger.isDebugEnabled()) {
logger.debug("Starting bean '" + beanName + "' of type [" + bean.getClass() + "]");
logger.debug("Starting bean '" + beanName + "' of type [" + bean.getClass().getName() + "]");
}
try {
bean.start();
@@ -214,7 +215,7 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
/**
* Stop the specified bean as part of the given set of Lifecycle beans,
* making sure that any beans that depends on it are stopped first.
* @param lifecycleBeans Map with bean name as key and Lifecycle instance as value
* @param lifecycleBeans a Map with bean name as key and Lifecycle instance as value
* @param beanName the name of the bean to stop
*/
private void doStop(Map<String, ? extends Lifecycle> lifecycleBeans, final String beanName,
@@ -230,7 +231,8 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
if (bean.isRunning()) {
if (bean instanceof SmartLifecycle) {
if (logger.isDebugEnabled()) {
logger.debug("Asking bean '" + beanName + "' of type [" + bean.getClass() + "] to stop");
logger.debug("Asking bean '" + beanName + "' of type [" +
bean.getClass().getName() + "] to stop");
}
countDownBeanNames.add(beanName);
((SmartLifecycle) bean).stop(() -> {
@@ -243,7 +245,8 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
}
else {
if (logger.isDebugEnabled()) {
logger.debug("Stopping bean '" + beanName + "' of type [" + bean.getClass() + "]");
logger.debug("Stopping bean '" + beanName + "' of type [" +
bean.getClass().getName() + "]");
}
bean.stop();
if (logger.isDebugEnabled()) {
@@ -252,7 +255,7 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
}
}
else if (bean instanceof SmartLifecycle) {
// don't wait for beans that aren't running
// Don't wait for beans that aren't running...
latch.countDown();
}
}
@@ -317,8 +320,6 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
*/
private class LifecycleGroup {
private final List<LifecycleGroupMember> members = new ArrayList<>();
private final int phase;
private final long timeout;
@@ -327,9 +328,13 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
private final boolean autoStartupOnly;
private volatile int smartMemberCount;
private final List<LifecycleGroupMember> members = new ArrayList<>();
private int smartMemberCount;
public LifecycleGroup(
int phase, long timeout, Map<String, ? extends Lifecycle> lifecycleBeans, boolean autoStartupOnly) {
public LifecycleGroup(int phase, long timeout, Map<String, ? extends Lifecycle> lifecycleBeans, boolean autoStartupOnly) {
this.phase = phase;
this.timeout = timeout;
this.lifecycleBeans = lifecycleBeans;
@@ -337,10 +342,10 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
}
public void add(String name, Lifecycle bean) {
this.members.add(new LifecycleGroupMember(name, bean));
if (bean instanceof SmartLifecycle) {
this.smartMemberCount++;
}
this.members.add(new LifecycleGroupMember(name, bean));
}
public void start() {
@@ -352,9 +357,7 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
}
Collections.sort(this.members);
for (LifecycleGroupMember member : this.members) {
if (this.lifecycleBeans.containsKey(member.name)) {
doStart(this.lifecycleBeans, member.name, this.autoStartupOnly);
}
doStart(this.lifecycleBeans, member.name, this.autoStartupOnly);
}
}
@@ -368,12 +371,13 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
this.members.sort(Collections.reverseOrder());
CountDownLatch latch = new CountDownLatch(this.smartMemberCount);
Set<String> countDownBeanNames = Collections.synchronizedSet(new LinkedHashSet<>());
Set<String> lifecycleBeanNames = new HashSet<>(this.lifecycleBeans.keySet());
for (LifecycleGroupMember member : this.members) {
if (this.lifecycleBeans.containsKey(member.name)) {
if (lifecycleBeanNames.contains(member.name)) {
doStop(this.lifecycleBeans, member.name, latch, countDownBeanNames);
}
else if (member.bean instanceof SmartLifecycle) {
// already removed, must have been a dependent
// Already removed: must have been a dependent bean from another phase
latch.countDown();
}
}