| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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. |
| */ |
| package org.apache.eagle.storage.operation; |
| |
| import org.apache.eagle.log.entity.meta.EntityDefinition; |
| import org.apache.eagle.log.entity.meta.EntityDefinitionManager; |
| import org.apache.eagle.storage.DataStorage; |
| import org.apache.eagle.storage.result.QueryResult; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @since 6/29/15 |
| */ |
| public class RowkeyQueryStatement implements Statement<QueryResult<?>>{ |
| private final List<String> rowkeys; |
| private final EntityDefinition entityDefinition; |
| |
| public RowkeyQueryStatement(String rowkey,EntityDefinition entityDefinition) { |
| this.rowkeys = new ArrayList<>(1); |
| this.rowkeys.add(rowkey); |
| this.entityDefinition = entityDefinition; |
| } |
| |
| public RowkeyQueryStatement(String rowkey,String serviceName) throws IllegalAccessException, InstantiationException { |
| this.rowkeys = new ArrayList<>(1); |
| this.rowkeys.add(rowkey); |
| this.entityDefinition = EntityDefinitionManager.getEntityByServiceName(serviceName); |
| } |
| |
| public RowkeyQueryStatement(List<String> rowkeys,EntityDefinition entityDefinition) { |
| this.rowkeys = rowkeys; |
| this.entityDefinition = entityDefinition; |
| } |
| |
| public RowkeyQueryStatement(List<String> rowkeys,String serviceName) throws IllegalAccessException, InstantiationException { |
| this.rowkeys = rowkeys; |
| this.entityDefinition = EntityDefinitionManager.getEntityByServiceName(serviceName); |
| } |
| |
| @Override |
| public <I> QueryResult<?> execute(DataStorage<I> dataStorage) throws IOException { |
| return dataStorage.queryById((List<I>) this.rowkeys,this.entityDefinition); |
| } |
| } |