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    • org.infinispan.distribution.L1Manager Maven / Gradle / Ivy

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    package org.infinispan.distribution;

import java.util.Collection;
import java.util.concurrent.CompletableFuture;

import org.infinispan.factories.scopes.Scope;
import org.infinispan.factories.scopes.Scopes;
import org.infinispan.interceptors.distribution.L1WriteSynchronizer;
import org.infinispan.remoting.transport.Address;

/**
 * Manages the L1 Cache, in particular recording anyone who is going to cache an
 * a command that a node responds to so that a unicast invalidation can be sent
 * later if needed.
 *
 * @author Pete Muir
 *
 */
@Scope(Scopes.NAMED_CACHE)
public interface L1Manager {

   /**
    * Records a request that will be cached in another nodes L1
    */
   void addRequestor(Object key, Address requestor);

   CompletableFuture flushCache(Collection key, Address origin, boolean assumeOriginKeptEntryInL1);

   /**
    * Registers the given write synchronizer to be notified whenever a remote value is looked up for the given key.
    * If the synchronizer is no longer needed to be signaled, the user should unregister it using
    * {@link L1Manager#unregisterL1WriteSynchronizer(Object, org.infinispan.interceptors.distribution.L1WriteSynchronizer)}
    * @param key The key that that when looked up will trigger the synchronizer
    * @param sync The synchronizer to run the update when the key is looked up
    */
   void registerL1WriteSynchronizer(Object key, L1WriteSynchronizer sync);

   /**
    * Unregister the given write synchronizer if present.  Note the synchronizer is only unregistered if it matches
    * using instance equality (==) due to possibly concurrent usage of write synchronizers
    * @param key The key to unregister the given synchronizer for.
    * @param sync The synchronizer to be removed if it is still present.
    */
   void unregisterL1WriteSynchronizer(Object key, L1WriteSynchronizer sync);
}
    
    
    
    

    




    
    
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