/* Copyright c 2005-2012.
* Licensed under GNU LESSER General Public License, Version 3.
* http://www.gnu.org/licenses
*/
package org.beangle.db.sequence;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.util.List;
import javax.sql.DataSource;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.PosixParser;
import org.beangle.db.sequence.impl.DefaultSequenceNamePattern;
import org.beangle.db.sequence.impl.OracleTableSequenceDao;
import org.beangle.db.util.DataSourceUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TableSequenceAdjustMain {
/**
* TableSequenceAdjustMain -update -drop
*
* @param args
* @throws Exception
*/
public static void main(String args[]) throws Exception {
Logger logger = LoggerFactory.getLogger(TableSequenceAdjustMain.class);
boolean update = false;
boolean remove = false;
CommandLineParser parser = new PosixParser();
Options options = new Options();
options.addOption("update", false, "update sequence according to table ");
options.addOption("drop", false, "remove sequence");
CommandLine cmd = parser.parse(options, args);
update = cmd.hasOption("update");
remove = cmd.hasOption("drop");
List<String> datasourceNames = DataSourceUtil.getDataSourceNames();
String dialect = null;
PrintStream ps = System.out;
if (datasourceNames.size() < 1) {
logger.info("without any database config");
return;
} else if (datasourceNames.size() > 1) {
ps.println("select db from " + datasourceNames + ":");
while (null == dialect || !datasourceNames.contains(dialect)) {
if (null != dialect) {
ps.println("incorrect! select db from " + datasourceNames + ":");
}
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
dialect = br.readLine();
}
} else {
dialect = (String) datasourceNames.iterator().next();
}
DataSource datasource = DataSourceUtil.getDataSource(dialect);
OracleTableSequenceDao tableSequenceDao = new OracleTableSequenceDao();
tableSequenceDao.setDataSource(datasource);
tableSequenceDao.setRelation(new DefaultSequenceNamePattern());
List<TableSequence> sequences = tableSequenceDao.getInconsistent();
info(sequences);
if (update) {
adjust(tableSequenceDao, sequences);
}
if (remove) {
drop(tableSequenceDao, sequences);
}
}
public static void drop(TableSequenceDao tableSequenceDao, List<TableSequence> sequences) {
PrintStream ps = System.out;
if (!sequences.isEmpty()) {
ps.println("start drop ...");
}
for (final TableSequence seq : sequences) {
if (null == seq.getTableName()) {
tableSequenceDao.drop(seq.getSeqName());
ps.println("drop sequence " + seq.getSeqName());
}
}
}
public static void adjust(TableSequenceDao tableSequenceDao, List<TableSequence> sequences) {
PrintStream ps = System.out;
if (!sequences.isEmpty()) {
ps.println("start adjust ...");
}
for (final TableSequence seq : sequences) {
if (null != seq.getTableName()) {
ps.println("adjust sequence " + seq.getSeqName() + " with lastnumber "
+ tableSequenceDao.adjust(seq));
}
}
ps.println("finish adjust");
}
public static void info(List<TableSequence> sequences) {
PrintStream ps = System.out;
if (sequences.isEmpty()) {
ps.println("without any inconsistent sequence");
} else {
ps.println("find inconsistent sequence " + sequences.size());
ps.println("sequence_name(lastnumber) table_name(max id)");
}
for (TableSequence seq : sequences) {
ps.println(seq);
}
}
}