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allow for overriding specific DefaultLifecycleProcessor hooks (SPR-6617)

This commit is contained in:
Juergen Hoeller 2010-01-06 19:48:48 +00:00
parent 819f4be08e
commit 431fd5bb22
1 changed files with 21 additions and 5 deletions
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26
org.springframework.context/src/main/java/org/springframework/context/support/DefaultLifecycleProcessor.java
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@ -217,11 +217,15 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
} }
} }
// overridable hooks
/** /**
* Retrieve all applicable Lifecycle beans: all singletons that have already been created, * Retrieve all applicable Lifecycle beans: all singletons that have already been created,
* as well as all SmartLifecycle beans (even if they are marked as lazy-init). * as well as all SmartLifecycle beans (even if they are marked as lazy-init).
* @return the Map of applicable beans, with bean names as keys and bean instances as values
*/ */
private Map<String, Lifecycle> getLifecycleBeans() { protected Map<String, Lifecycle> getLifecycleBeans() {
Map<String, Lifecycle> beans = new LinkedHashMap<String, Lifecycle>(); Map<String, Lifecycle> beans = new LinkedHashMap<String, Lifecycle>();
String[] beanNames = this.beanFactory.getBeanNamesForType(Lifecycle.class, false, false); String[] beanNames = this.beanFactory.getBeanNamesForType(Lifecycle.class, false, false);
for (String beanName : beanNames) { for (String beanName : beanNames) {
@ -240,8 +244,17 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
return beans; return beans;
} }
private static int getPhase(Lifecycle bean) { /**
return (bean instanceof Phased) ? ((Phased) bean).getPhase() : 0; * Determine the lifecycle phase of the given bean.
* <p>The default implementation checks for the {@link Phased} interface.
* Can be overridden to apply other/further policies.
* @param bean the bean to introspect
* @return the phase an an integer value. The suggested default is 0.
* @see Phased
* @see SmartLifecycle
*/
protected int getPhase(Lifecycle bean) {
return (bean instanceof Phased ? ((Phased) bean).getPhase() : 0);
} }
@ -318,7 +331,10 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
} }
private static class LifecycleGroupMember implements Comparable<LifecycleGroupMember> { /**
* Adapts the Comparable interface onto the lifecycle phase model.
*/
private class LifecycleGroupMember implements Comparable<LifecycleGroupMember> {
private final String name; private final String name;
@ -332,7 +348,7 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
public int compareTo(LifecycleGroupMember other) { public int compareTo(LifecycleGroupMember other) {
int thisOrder = getPhase(this.bean); int thisOrder = getPhase(this.bean);
int otherOrder = getPhase(other.bean); int otherOrder = getPhase(other.bean);
return (thisOrder == otherOrder) ? 0 : (thisOrder < otherOrder) ? -1 : 1; return (thisOrder == otherOrder ? 0 : (thisOrder < otherOrder) ? -1 : 1);
} }
} }