gistfile1.java

package sample;
 
import java.io.Serializable;
import org.infinispan.notifications.cachelistener.filter.*;
import org.infinispan.metadata.*;
 
@NamedFactory(name = "basic-filter-factory")
public class BasicKeyValueFilterFactory implements CacheEventFilterFactory {
  @Override public CacheEventFilter<Integer, String> getFilter(final Object[] params) {
    return new BasicKeyValueFilter(params);
  }
 
  static class BasicKeyValueFilter implements CacheEventFilter<Integer, String>, Serializable {
    private final Object[] params;
    public BasicKeyValueFilter(Object[] params) { this.params = params; }
    @Override public boolean accept(Integer key, String oldValue, Metadata oldMetadata, 
        String newValue, Metadata newMetadata, EventType eventType) {
      return !params[0].equals(key);
    }
  }
}