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package com.example.fp.tx;
import java.util.List;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallbackWithoutResult;
import org.springframework.transaction.support.TransactionTemplate;
import com.example.fp.User;
import com.example.fp.UserManager;
/**
* This class decorates a given AccountManager by adding transaction boundaries.
*
* @author kamal
*
*/
public class TxUserManager implements UserManager {
private UserManager userManager;
public void setUserManager(UserManager userManager) {
this.userManager = userManager;
}
private TransactionTemplate txTemplate;
public void setTxManager(DataSourceTransactionManager txManager) {
txTemplate = new TransactionTemplate(txManager);
}
@Override
public User find(int uid) {
return userManager.find(uid);
}
@Override
public void delete(int uid) {
txTemplate.execute(new TransactionCallbackWithoutResult() {
@Override
protected void doInTransactionWithoutResult(TransactionStatus arg0) {
userManager.delete(uid);
}
});
}
@Override
public void create(User user) {
txTemplate.execute(new TransactionCallbackWithoutResult() {
@Override
protected void doInTransactionWithoutResult(TransactionStatus arg0) {
userManager.create(user);
}
});
}
@Override
public List<User> findAll() {
return userManager.findAll();
}
@Override
public void update(User user) {
txTemplate.execute(new TransactionCallbackWithoutResult() {
@Override
protected void doInTransactionWithoutResult(TransactionStatus arg0) {
userManager.update(user);
}
});
}
@Override
public void setPassword(int uid, String plainTextPassword) {
txTemplate.execute(new TransactionCallbackWithoutResult() {
@Override
protected void doInTransactionWithoutResult(TransactionStatus arg0) {
userManager.setPassword(uid, plainTextPassword);
}
});
}
}
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