package com.qxueyou.scc.base.handler;

import java.util.List;

import org.hibernate.QueryException;
import org.hibernate.dialect.function.SQLFunction;
import org.hibernate.engine.spi.Mapping;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.type.Type;

public class MatchAgainstFunction implements SQLFunction {

	@Override
	public Type getReturnType(Type paramType, Mapping paramMapping) throws QueryException {
		return null;
	}

	@Override
	public boolean hasArguments() {
		return true;
	}

	@Override
	public boolean hasParenthesesIfNoArguments() {
		return false;
	}

	@SuppressWarnings("rawtypes")
	@Override
	public String render(Type paramType, List args, SessionFactoryImplementor paramSessionFactoryImplementor)
			throws QueryException {
		StringBuffer buf = new StringBuffer();

		buf.append("MATCH(");

		for (int i = 0; i < args.size() - 1; i++) {
			buf.append(args.get(i));
			if (i < args.size() - 2)
				buf.append(",");
		}
		buf.append(")");

		buf.append(" AGAINST(");
		buf.append(args.get(args.size() - 1));
		buf.append(" in boolean mode) ");

		return buf.toString();
	}

}