ByFieldHandler.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.mapper.FieldUtil;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;

import java.util.List;

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

    protected ByFieldHandler(Object obj, java.lang.reflect.Field field, String prefix) {
        super(obj, field, prefix);
    }

    protected void processList(List objList, Document doc, boolean analyze, boolean store, float boost) {
        StringBuilder sb = new StringBuilder();
        Class<?> type = field.getType();
        if (type.isArray()) {
            for (Object o : objList) {
                Object value = FieldUtil.get(o, field);
                if (value != null) {
                    sb.append(getArrayString(value, type.getComponentType())).append(JOIN);
                }
            }
        } else {
            for (Object o : objList) {
                Object value = FieldUtil.get(o, field);
                if (value != null) {
                    sb.append(value.toString()).append(JOIN);
                }
            }
        }
        Field f = new Field(prefix + field.getName(), sb.toString(),
                store ? Field.Store.YES : Field.Store.NO,
                analyze ? Field.Index.ANALYZED : Field.Index.NOT_ANALYZED);
        f.setBoost(boost);
        doc.add(f);
    }

}