Java tutorial
/** * Copyright 2017 Goldman Sachs. * 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 com.gs.obevo.dbmetadata.impl.dialects; import java.sql.Connection; import java.sql.SQLException; import java.util.Map; import com.gs.obevo.dbmetadata.api.DaSchema; import com.gs.obevo.dbmetadata.api.DaUserType; import com.gs.obevo.dbmetadata.api.DaUserTypeImpl; import org.apache.commons.dbutils.QueryRunner; import org.apache.commons.dbutils.handlers.MapListHandler; import org.eclipse.collections.api.block.function.Function; import org.eclipse.collections.api.collection.ImmutableCollection; import org.eclipse.collections.api.list.ImmutableList; import org.eclipse.collections.impl.list.mutable.ListAdapter; import schemacrawler.schemacrawler.DatabaseSpecificOverrideOptionsBuilder; import schemacrawler.server.hsqldb.HyperSQLDatabaseConnector; public class HsqlMetadataDialect extends AbstractMetadataDialect { @Override public DatabaseSpecificOverrideOptionsBuilder getDbSpecificOptionsBuilder(Connection conn) { return new HyperSQLDatabaseConnector().getDatabaseSpecificOverrideOptionsBuilder(); } @Override public String getSchemaExpression(String schemaName) { return "(?i).*\\.?" + schemaName; } @Override public ImmutableCollection<DaUserType> searchUserTypes(final DaSchema schema, Connection conn) throws SQLException { QueryRunner query = new QueryRunner(); ImmutableList<Map<String, Object>> maps = ListAdapter.adapt(query.query(conn, "select dom.DOMAIN_NAME AS USER_TYPE_NAME\n" + "from INFORMATION_SCHEMA.DOMAINS dom\n" + "WHERE dom.DOMAIN_SCHEMA = ucase('" + schema.getName() + "')\n", new MapListHandler())).toImmutable(); return maps.collect(new Function<Map<String, Object>, DaUserType>() { @Override public DaUserType valueOf(Map<String, Object> map) { return new DaUserTypeImpl((String) map.get("USER_TYPE_NAME"), schema); } }); } }