All content with label cluster+faq-code-examples.
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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 ...