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  Label: faq-code-examples+example

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Related Labels: review , expiry , namedcache , javabean , synchronize , coherence-cache-config , cluster , backing-map , deployment , cachestore , extend , hibernate , expiration , mutex , troubleshooting , serialization , cache , size , jmx , more » ( - faq-code-examples , - example )

How do I create a cluster-wide named mutex? (Coherence FAQ)
create a clusterwide, named mutex, simply lock a key in a cache with an infinite wait time. Note that a key can be locked even though the key does not actually exist in the cache. This example implements a nonrecursive mutex. String sMutexName = "myNamedMutex ...
How do I implement a Clustered Singleton? (Coherence FAQ)
following code example demonstrates how to implement a clustered singleton. import com.tangosol.net.CacheFactory; import com.tangosol.net.NamedCache; / Singleton using cache to back it. (Commented out code is from a singleJVM traditional singleton pattern. New code supports stateless session EJB ...
How do I limit a cache size by bytes instead of by the entry count? (Coherence FAQ)
partitioned cache, use the attached cache extension MemoryLimitedCache.java which measures its units in bytes. Configure the {{highunits}} to be in bytes, as shown below. Be sure to specify the class of the cache extension, too. <localscheme> <schemename>bytelimited</schemename> <classname>com.tangosol.examples.coherence.MemoryLimitedCache</classname ...