EmbedByFieldHandler.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.lucene.annotations.IndexEmbedBy;
import org.apache.lucene.document.Document;

import java.lang.reflect.Field;
import java.util.List;

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

    private Class<?> embedBy;

    public EmbedByFieldHandler(Class<?> embedBy, Object obj, Field field, String prefix) {
        super(obj, field, prefix);
        this.embedBy = embedBy;
    }

    @Override
    public void handle(Document doc) {
        IndexEmbedBy ieb = field.getAnnotation(IndexEmbedBy.class);
        Class<?>[] cls = ieb.value();
        int len = cls.length;
        for (int i = 0; i < len; i++) {
            if (cls[i].equals(embedBy)) {
                boolean analyze = false;
                boolean[] as = ieb.analyze();
                if (as.length > 0) {
                    analyze = as[i];
                }
                boolean store = false;
                boolean[] ss = ieb.store();
                if (ss.length > 0) {
                    store = ss[i];
                }
                float boost = 1.0f;
                float[] bs = ieb.boost();
                if (bs.length > 0) {
                    boost = bs[i];
                }
                if (obj instanceof List) {
                    processList((List) obj, doc, analyze, store, boost);
                } else {
                    process(doc, analyze, store, boost);
                }
                break;
            }
        }
    }

}