Java tutorial
/* * Copyright 2016 Ratha Long * * 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 nz.co.testamation.core.reader; import com.google.common.base.Function; import com.google.common.collect.Lists; import org.springframework.jdbc.core.JdbcTemplate; import java.util.Map; public class SelectRows implements SelectQuery<SQLResult> { private static final String SELECT_SQL_TEMPLATE = "select * from %s %s"; private final String tableName; private WhereClauseBuilder where = new WhereClauseBuilder(); public SelectRows(String tableName) { this.tableName = tableName; } public SelectRows where(String column, String value) { where.and(column, value); return this; } @Override public SQLResult select(JdbcTemplate jdbcTemplate) { return new SQLResult( Lists.transform(jdbcTemplate.queryForList(getSql()), new Function<Map<String, Object>, TableRow>() { @Override public TableRow apply(Map<String, Object> stringObjectMap) { return new TableRowImpl(stringObjectMap); } })); } protected String getSql() { return String.format(SELECT_SQL_TEMPLATE, tableName, where.toString()); } @Override public String toString() { return String.format("SelectRows{table=%s, query=%s}", tableName, getSql()); } }