/*
 * Seldon -- open source prediction engine
 * =======================================
 *
 * Copyright 2011-2015 Seldon Technologies Ltd and Rummble Ltd (http://www.seldon.io/)
 *
 * ********************************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ********************************************************************************************
 */

package io.seldon.recommendation.filters.base;

import io.seldon.clustering.recommender.RecommendationContext;
import io.seldon.recommendation.ItemFilter;

import org.springframework.stereotype.Component;

import java.util.Collections;
import java.util.List;

/**
 * Filter for the item that the user is currently interacting with.
 * @author firemanphil
 *         Date: 05/12/14
 *         Time: 15:31
 */
@Component
public class CurrentItemFilter implements ItemFilter {
    @Override
    public List<Long> produceExcludedItems(String client, Long user, String clientUserId, RecommendationContext.OptionsHolder optsHolder,
                                           Long currentItem,String lastRecListUUID, int numRecommendations) {
        return Collections.singletonList(currentItem);
    }
}


@@ -1103,101 +1103,101 @@
 ort 
-org.springframework.stereotype.Component;%0A%0Aimport java.util.Collections;%0Aimport java.util.Lis
+java.util.Collections;%0Aimport java.util.List;%0A%0Aimport org.springframework.stereotype.Componen
 t;%0A%0A
@@ -1676,20 +1676,48 @@
 ) %7B%0A    
+%09if (currentItem != null)%0A
     
+%09%09
 return C
@@ -1755,16 +1755,64 @@
 tItem);%0A
+    %09else%0A    %09%09return Collections.emptyList();%0A
     %7D%0A%7D%0A

fix CurrentItemFilter bug