001
014
015 package com.liferay.portal.dao.db;
016
017 import com.liferay.portal.kernel.dao.db.DB;
018 import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
019 import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
020 import com.liferay.portal.kernel.util.StringBundler;
021 import com.liferay.portal.kernel.util.StringUtil;
022
023 import java.io.IOException;
024
025
030 public class SAPDB extends BaseDB {
031
032 public static DB getInstance() {
033 return _instance;
034 }
035
036 @Override
037 public String buildSQL(String template) throws IOException {
038 template = convertTimestamp(template);
039 template = replaceTemplate(template, getTemplate());
040
041 template = reword(template);
042
043 return template;
044 }
045
046 protected SAPDB() {
047 super(TYPE_SAP);
048 }
049
050 @Override
051 protected String buildCreateFileContent(
052 String sqlDir, String databaseName, int population) {
053
054 return null;
055 }
056
057 @Override
058 protected String getServerName() {
059 return "sap";
060 }
061
062 @Override
063 protected String[] getTemplate() {
064 return _SAP;
065 }
066
067 @Override
068 protected String reword(String data) throws IOException {
069 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
070 new UnsyncStringReader(data));
071
072 StringBundler sb = new StringBundler();
073
074 String line = null;
075
076 while ((line = unsyncBufferedReader.readLine()) != null) {
077 if (line.startsWith(ALTER_COLUMN_NAME)) {
078 String[] template = buildColumnNameTokens(line);
079
080 line = StringUtil.replace(
081 "rename column @table@.@old-column@ to @new-column@;",
082 REWORD_TEMPLATE, template);
083 }
084 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
085 String[] template = buildColumnTypeTokens(line);
086
087 line = StringUtil.replace(
088 "alter table @table@ modify @old-column@ @type@;",
089 REWORD_TEMPLATE, template);
090 }
091 else if (line.startsWith(ALTER_TABLE_NAME)) {
092 String[] template = buildTableNameTokens(line);
093
094 line = StringUtil.replace(
095 "alter table @old-table@ to @new-table@;",
096 RENAME_TABLE_TEMPLATE, template);
097 }
098
099 sb.append(line);
100 sb.append("\n");
101 }
102
103 unsyncBufferedReader.close();
104
105 return sb.toString();
106 }
107
108 private static final String[] _SAP = {
109 "##", "TRUE", "FALSE", "'1970-01-01 00:00:00.000000'", "timestamp",
110 " blob", " blob", " boolean", " timestamp", " float", " int", " bigint",
111 " varchar", " varchar", " varchar", "", "commit"
112 };
113
114 private static SAPDB _instance = new SAPDB();
115
116 }