MetadataService.java

/*
 * Copyright 2013 Eediom Inc.
 * 
 * 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 org.araqne.logdb;

import java.util.List;

public interface MetadataService {
	void verify(QueryContext context, String type, String queryString);

	void query(QueryContext context, String type, String queryString, MetadataCallback callback);

	void addProvider(MetadataProvider provider);

	void removeProvider(MetadataProvider provider);
	
	List<String> getFieldOrder(String type);
}