| /** |
| * 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.storm.jdbc.mapper; |
| |
| import backtype.storm.tuple.ITuple; |
| import org.apache.storm.jdbc.common.Column; |
| import org.apache.storm.jdbc.common.ConnectionProvider; |
| import org.apache.storm.jdbc.common.JdbcClient; |
| import org.apache.storm.jdbc.common.Util; |
| |
| import java.sql.Date; |
| import java.sql.Time; |
| import java.sql.Timestamp; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class SimpleJdbcMapper implements JdbcMapper { |
| |
| private List<Column> schemaColumns; |
| |
| public SimpleJdbcMapper(String tableName, ConnectionProvider connectionProvider) { |
| int queryTimeoutSecs = 30; |
| connectionProvider.prepare(); |
| JdbcClient client = new JdbcClient(connectionProvider, queryTimeoutSecs); |
| this.schemaColumns = client.getColumnSchema(tableName); |
| } |
| |
| public SimpleJdbcMapper(List<Column> schemaColumns) { |
| this.schemaColumns = schemaColumns; |
| } |
| |
| @Override |
| public List<Column> getColumns(ITuple tuple) { |
| List<Column> columns = new ArrayList<Column>(); |
| for(Column column : schemaColumns) { |
| String columnName = column.getColumnName(); |
| Integer columnSqlType = column.getSqlType(); |
| |
| if(Util.getJavaType(columnSqlType).equals(String.class)) { |
| String value = tuple.getStringByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Short.class)) { |
| Short value = tuple.getShortByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Integer.class)) { |
| Integer value = tuple.getIntegerByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Long.class)) { |
| Long value = tuple.getLongByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Double.class)) { |
| Double value = tuple.getDoubleByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Float.class)) { |
| Float value = tuple.getFloatByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Boolean.class)) { |
| Boolean value = tuple.getBooleanByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(byte[].class)) { |
| byte[] value = tuple.getBinaryByField(columnName); |
| columns.add(new Column(columnName, value, columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Date.class)) { |
| Long value = tuple.getLongByField(columnName); |
| columns.add(new Column(columnName, new Date(value), columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Time.class)) { |
| Long value = tuple.getLongByField(columnName); |
| columns.add(new Column(columnName, new Time(value), columnSqlType)); |
| } else if(Util.getJavaType(columnSqlType).equals(Timestamp.class)) { |
| Long value = tuple.getLongByField(columnName); |
| columns.add(new Column(columnName, new Timestamp(value), columnSqlType)); |
| } else { |
| throw new RuntimeException("Unsupported java type in tuple " + Util.getJavaType(columnSqlType)); |
| } |
| } |
| return columns; |
| } |
| } |