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java.lang.Objectcom.servingxml.components.cache.SlidingExpirable
public class SlidingExpirable
Defines an interface for a sliding expiration.
Field Summary |
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Fields inherited from interface com.servingxml.io.cache.Expirable |
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IMMEDIATE_EXPIRY, NEVER_EXPIRES |
Constructor Summary | |
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SlidingExpirable(long elapsed)
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Method Summary | |
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long |
getLastModified(long elapsed)
Returns the last modified date. |
boolean |
hasExpired(long ts)
Called by the cache manager when it is processing a validation event that this resource state can receive. |
boolean |
immediateExpiry()
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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 SlidingExpirable(long elapsed)
Method Detail |
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public boolean hasExpired(long ts)
Expirable
A concrete subclass must provide an implementation of this method to indicate whether the cached resource has expired. It may be called often, so it should execute quickly.
hasExpired
in interface Expirable
public final long getLastModified(long elapsed)
Expirable
A concrete subclass must provide an implementation of this method to indicate whether the cached resource has changed. It may be called often, so it should execute quickly.
getLastModified
in interface Expirable
public boolean immediateExpiry()
immediateExpiry
in interface Expirable
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