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java.lang.Objectorg.jboss.portal.common.util.CopyOnWriteRegistry
public class CopyOnWriteRegistry
Implementation of a registry that implements copy on write semantics.
Constructor Summary | |
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CopyOnWriteRegistry()
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Method Summary | |
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java.util.Set |
getKeys()
Return an unmodifiable set containing the keys. |
java.lang.Object |
getRegistration(java.lang.Object key)
Return a registration or null if it does not exist. |
java.util.Collection |
getRegistrations()
Return an unmodifable collection containing the registrations. |
boolean |
register(java.lang.Object key,
java.lang.Object object)
Register an object. |
java.lang.Object |
unregister(java.lang.Object key)
Unregister an object. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CopyOnWriteRegistry()
Method Detail |
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public boolean register(java.lang.Object key, java.lang.Object object) throws java.lang.IllegalArgumentException
key
- the registration keyobject
- the registered object
java.lang.IllegalArgumentException
- if the one argument is nullpublic java.lang.Object unregister(java.lang.Object key) throws java.lang.IllegalArgumentException
key
- the registration key
java.lang.IllegalArgumentException
- if the key is nullpublic java.util.Set getKeys()
public java.util.Collection getRegistrations()
public java.lang.Object getRegistration(java.lang.Object key) throws java.lang.IllegalArgumentException
key
- the registration key
java.lang.IllegalArgumentException
- if the key is null
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