SimpleHintParser.java example

Explorer
cobar-master
/*
 * Copyright 1999-2012 Alibaba Group.
 *  
 * 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.
 */
/**
 * (created at 2011-8-4)
 */
package com.alibaba.cobar.route.hint;

import java.sql.SQLSyntaxErrorException;
import java.util.HashMap;
import java.util.Map;

import com.alibaba.cobar.config.util.ParameterMapping;

/**
 * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
 */
public final class SimpleHintParser extends HintParser {

    @Override
    public void process(CobarHint hint, String hintName, String sql) throws SQLSyntaxErrorException {
        Object value = parsePrimary(hint, sql);
        if (value instanceof Long)
            value = ((Long) value).intValue();
        Map<String, Object> properties = new HashMap<String, Object>(1, 1);
        properties.put(hintName, value);
        try {
            ParameterMapping.mapping(hint, properties);
        } catch (Throwable t) {
            throw new SQLSyntaxErrorException(t);
        }
    }

}