/*
Copyright 2008 Flaptor (flaptor.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 com.flaptor.hounder.crawler.modules;
import org.apache.log4j.Logger;
import com.flaptor.hounder.crawler.modules.boost.ABoostCondition;
import com.flaptor.hounder.crawler.modules.boost.ABoostMethod;
import com.flaptor.hounder.crawler.modules.boost.ABoostValue;
import com.flaptor.hounder.crawler.modules.boost.Booster;
import com.flaptor.util.Config;
import com.flaptor.util.Execute;
/**
* @todo generate categoryBoost
* @author Flaptor Development Team
*/
public class BoostModule extends AProcessorModule {
private static Logger logger = Logger.getLogger(Execute.whoAmI());
private final Booster booster;
public BoostModule (String moduleName, Config globalConfig) {
super(moduleName, globalConfig);
ABoostCondition.Type conditionType = null ;
Config mdlConfig = getModuleConfig();
String conditionString = mdlConfig.getString("boost.condition");
if ("url".equals(conditionString)) conditionType = ABoostCondition.Type.UrlPattern;
if ("keyword".equals(conditionString)) conditionType = ABoostCondition.Type.Keyword;
if ("urlandkeyword".equals(conditionString)) conditionType = ABoostCondition.Type.UrlPatternAndKeyword;
ABoostCondition condition = ABoostCondition.getBoostCondition(mdlConfig,conditionType);
ABoostMethod.Type methodType = null;
String methodString = mdlConfig.getString("boost.method");
if ("doc".equals(methodString)) methodType = ABoostMethod.Type.Doc;
if ("field".equals(methodString)) methodType = ABoostMethod.Type.Field;
if ("keyword".equals(methodString)) methodType = ABoostMethod.Type.Keyword;
ABoostMethod method = ABoostMethod.getBoostMethod(mdlConfig,methodType);
ABoostValue.Type valueType = null;
valueType = ABoostValue.Type.None;
String valueString = mdlConfig.getString("boost.value");
if ("constant".equals(valueString)) valueType = ABoostValue.Type.Constant;
if ("attribute".equals(valueString)) valueType = ABoostValue.Type.Attribute;
ABoostValue value = ABoostValue.getBoostValue(mdlConfig,valueType);
booster = new Booster(condition,value,method);
}
public void close() {
Execute.close(booster);
}
@Override
@SuppressWarnings("unchecked")
protected void internalProcess (FetchDocument doc) {
booster.applyBoost(doc);
}
}