MapInterceptorMember.java

import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.map.MapInterceptor;

public class MapInterceptorMember {

    public static void main(String[] args) {
        HazelcastInstance hz = Hazelcast.newHazelcastInstance();
        IMap<String, String> map = hz.getMap("themap");
        map.addInterceptor(new MyMapInterceptor());

        map.put("1", "1");
        System.out.println(map.get("1"));
    }

    private static class MyMapInterceptor implements MapInterceptor {

        @Override
        public Object interceptGet(Object value) {
            return value + "-foo";
        }

        @Override
        public void afterGet(Object value) {
        }

        @Override
        public Object interceptPut(Object oldValue, Object newValue) {
            return null;
        }

        @Override
        public void afterPut(Object value) {
        }

        @Override
        public Object interceptRemove(Object removedValue) {
            return null;
        }

        @Override
        public void afterRemove(Object value) {
        }
    }
}