/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate licenses
* this file to you 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.action.sql.parser;
import org.elasticsearch.common.xcontent.XContentParser;
/**
* This interface is for the {@link io.crate.action.sql.parser.SQLXContentSourceParser}
* The {@link io.crate.action.sql.parser.SQLXContentSourceParser} receives a JSON structured body in the form of:
* <p>
* {
* "stmt": "...",
* "other_property": "..."
* }
* <p>
* it then utilizes a {@link SQLParseElement} for each property in that structure.
* <p>
* E.g. for "stmt" property the {@link io.crate.action.sql.parser.SQLStmtParseElement} is used.
*/
interface SQLParseElement {
void parse(XContentParser parser, SQLXContentSourceContext context) throws Exception;
}