1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.hadoop.chukwa.extraction.engine.datasource; 20 21 22 import org.apache.hadoop.chukwa.extraction.engine.SearchResult; 23 import org.apache.hadoop.chukwa.extraction.engine.Token; 24 25 public interface DataSource { 26 27 public SearchResult search(SearchResult result, String cluster, 28 String dataSource, long t0, long t1, String filter, Token token) 29 throws DataSourceException; 30 31 public boolean isThreadSafe(); 32 33 }