EmbedFieldHandler.java

/*
 * Copyright (c) www.bugull.com
 * 
 * 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 net.tooan.ynpay.third.mongodb.lucene.handler;

import net.tooan.ynpay.third.mongodb.cache.FieldsCache;
import net.tooan.ynpay.third.mongodb.lucene.annotations.IndexEmbedBy;
import net.tooan.ynpay.third.mongodb.mapper.FieldUtil;
import org.apache.lucene.document.Document;

import java.lang.reflect.Field;

/**
 * @author Frank Wen(xbwen@hotmail.com)
 */
public class EmbedFieldHandler extends AbstractFieldHandler {

    public EmbedFieldHandler(Object obj, Field field, String prefix) {
        super(obj, field, prefix);
    }

    @Override
    public void handle(Document doc) {
        Object embedObj = FieldUtil.get(obj, field);
        if (embedObj == null) {
            return;
        }
        Class<?> clazz = field.getClass();
        Field[] fields = FieldsCache.getInstance().get(clazz);
        for (Field f : fields) {
            IndexEmbedBy ieb = f.getAnnotation(IndexEmbedBy.class);
            if (ieb != null) {
                FieldHandler handler = new EmbedByFieldHandler(obj.getClass(), embedObj, f, prefix);
                handler.handle(doc);
            }
        }
    }

}