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Infinispan core module

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package org.infinispan.context;

import java.util.Collection;
import java.util.Map;

import org.infinispan.container.entries.CacheEntry;

/**
 * Interface that can look up MVCC wrapped entries.
 *
 * @author Manik Surtani ([email protected])
 * @since 4.0
 */
public interface EntryLookup {
   /**
    * Retrieves an entry from the collection of looked up entries in the current scope.
    * 
    *
    * @param key key to look up
    * @return an entry, or null if it cannot be found.
    */
   CacheEntry lookupEntry(Object key);

   /**
    * Retrieves a map of entries looked up within the current scope.
    * 

    * @return a map of looked up entries.
    */
   Map getLookedUpEntries();

   /**
    * Puts an entry in the registry of looked up entries in the current scope.
    * 
    *
    * @param key key to store
    * @param e   entry to store
    */
   void putLookedUpEntry(Object key, CacheEntry e);

   void removeLookedUpEntry(Object key);

   default void removeLookedUpEntries(Collection keys) {
      for (Object key : keys) {
         removeLookedUpEntry(key);
      }
   }
}