| /* |
| * 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.geode.connectors.jdbc.internal; |
| |
| import java.sql.JDBCType; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class TableMetaData implements TableMetaDataView { |
| |
| private final String quotedTablePath; |
| private final List<String> keyColumnNames; |
| private final Map<String, ColumnMetaData> columnMetaDataMap; |
| private final String identifierQuoteString; |
| |
| public TableMetaData(String catalogName, String schemaName, String tableName, |
| List<String> keyColumnNames, String quoteString, |
| Map<String, ColumnMetaData> columnMetaDataMap) { |
| if (quoteString == null) { |
| quoteString = ""; |
| } |
| this.quotedTablePath = createQuotedTablePath(catalogName, schemaName, tableName, quoteString); |
| this.keyColumnNames = keyColumnNames; |
| this.columnMetaDataMap = columnMetaDataMap; |
| this.identifierQuoteString = quoteString; |
| } |
| |
| private static String createQuotedTablePath(String catalogName, String schemaName, |
| String tableName, String quote) { |
| StringBuilder builder = new StringBuilder(); |
| appendPrefix(builder, catalogName, quote); |
| appendPrefix(builder, schemaName, quote); |
| builder.append(quote).append(tableName).append(quote); |
| return builder.toString(); |
| } |
| |
| private static void appendPrefix(StringBuilder builder, String prefix, String quote) { |
| if (prefix != null && !prefix.isEmpty()) { |
| builder.append(quote).append(prefix).append(quote).append('.'); |
| } |
| } |
| |
| @Override |
| public String getQuotedTablePath() { |
| return quotedTablePath; |
| } |
| |
| @Override |
| public List<String> getKeyColumnNames() { |
| return this.keyColumnNames; |
| } |
| |
| @Override |
| public JDBCType getColumnDataType(String columnName) { |
| ColumnMetaData columnMetaData = this.columnMetaDataMap.get(columnName); |
| if (columnMetaData == null) { |
| return JDBCType.NULL; |
| } |
| return columnMetaData.getType(); |
| } |
| |
| @Override |
| public boolean isColumnNullable(String columnName) { |
| ColumnMetaData columnMetaData = this.columnMetaDataMap.get(columnName); |
| if (columnMetaData == null) { |
| return true; |
| } |
| return columnMetaData.isNullable(); |
| } |
| |
| @Override |
| public Set<String> getColumnNames() { |
| return columnMetaDataMap.keySet(); |
| } |
| |
| @Override |
| public String getIdentifierQuoteString() { |
| return this.identifierQuoteString; |
| } |
| |
| public static class ColumnMetaData { |
| private final JDBCType type; |
| private final boolean nullable; |
| |
| public ColumnMetaData(JDBCType type, boolean nullable) { |
| this.type = type; |
| this.nullable = nullable; |
| } |
| |
| public JDBCType getType() { |
| return this.type; |
| } |
| |
| public boolean isNullable() { |
| return this.nullable; |
| } |
| } |
| } |