notquery.java

来自「一个用于搜索本地文件内容的小型搜索引擎」· Java 代码 · 共 41 行

package queries;

import invertedList.FileRecord;
import invertedList.IQueryResult;

import java.util.Set;

import stemmer.IStemmer;

public final class NotQuery extends CompositeQuery {
	/**
	 * the query to be processed by NOT
	 */
	private Query query;
	
	public NotQuery(Query query){
		this.query = query;
	}

	@Override
	public Set<FileRecord> doQuery(IQueryResult queryProcessor) {
		return queryProcessor.notQueryResult(query.doQuery(queryProcessor));
	}


	/*
	public void setMode(int mode) {
		query.setMode(mode);
		
	}
*/
	/* (non-Javadoc)
	 * @see queries.Query#stem(stemmer.IStemmer)
	 */
	@Override
	public void setStemmer(IStemmer stemmer) {
		query.setStemmer(stemmer);
	}

}