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MerchantDAO on DB.

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This commit is contained in:
marcins78@gmail.com
2012-03-13 13:02:53 +00:00
parent 173063e84d
commit 1c5f7ddd92
1 changed files with 79 additions and 1 deletions
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80
gemp-lotr/gemp-lotr-server/src/main/java/com/gempukku/lotro/db/DbMerchantDAO.java
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@@ -1,5 +1,6 @@
package com.gempukku.lotro.db;
import java.sql.*;
import java.util.Date;
public class DbMerchantDAO implements MerchantDAO {
@@ -11,11 +12,88 @@ public class DbMerchantDAO implements MerchantDAO {
@Override
public void addTransaction(String blueprintId, float price, Date date, TransactionType transactionType) {
final Transaction lastTransaction = getLastTransaction(blueprintId);
if (lastTransaction == null) {
insertTransaction(blueprintId, price, date, transactionType);
} else {
updateTransaction(blueprintId, price, date, transactionType);
}
}
private void updateTransaction(String blueprintId, float price, Date date, TransactionType transactionType) {
try {
Connection connection = _dbAccess.getDataSource().getConnection();
try {
PreparedStatement statement = connection.prepareStatement("update merchant set transaction_price=?, transaction_date=?, transaction_type=? where blueprint_id=?");
try {
statement.setFloat(1, price);
statement.setTimestamp(2, new Timestamp(date.getTime()));
statement.setString(3, transactionType.name());
statement.setString(4, blueprintId);
statement.executeUpdate();
} finally {
statement.close();
}
} finally {
connection.close();
}
} catch (SQLException exp) {
throw new RuntimeException("Unable to update last transaction from DB", exp);
}
}
private void insertTransaction(String blueprintId, float price, Date date, TransactionType transactionType) {
try {
Connection connection = _dbAccess.getDataSource().getConnection();
try {
PreparedStatement statement = connection.prepareStatement("insert into merchant (transaction_price, transaction_date, transaction_type, blueprint_id) values (?,?,?,?)");
try {
statement.setFloat(1, price);
statement.setTimestamp(2, new Timestamp(date.getTime()));
statement.setString(3, transactionType.name());
statement.setString(4, blueprintId);
statement.execute();
} finally {
statement.close();
}
} finally {
connection.close();
}
} catch (SQLException exp) {
throw new RuntimeException("Unable to insert last transaction from DB", exp);
}
}
@Override
public Transaction getLastTransaction(String blueprintId) {
return null;
try {
Connection connection = _dbAccess.getDataSource().getConnection();
try {
PreparedStatement statement = connection.prepareStatement("select blueprint_id, transaction_price, transaction_date, transaction_type from merchant where blueprint_id=?");
try {
statement.setString(1, blueprintId);
ResultSet rs = statement.executeQuery();
try {
if (rs.next()) {
float price = rs.getFloat(2);
Date date = rs.getTimestamp(3);
String type = rs.getString(4);
return new Transaction(date, price, TransactionType.valueOf(type));
} else {
return null;
}
} finally {
rs.close();
}
} finally {
statement.close();
}
} finally {
connection.close();
}
} catch (SQLException exp) {
throw new RuntimeException("Unable to get last transaction from DB", exp);
}
}
}