org.specrunner.sql.database

Interface IIdManager

All Known Implementing Classes:

IdManagerDefault

public interface IIdManager

An identity manager.

Author:

Thiago Santos

Field Summary

Fields

Modifier and Type	Field and Description
static String	SEPARATOR Fields separator.

Method Summary

Modifier and Type	Method and Description
void	append(String table, String value) Add a table alias to processing.
void	clear() Clear manager local variables.
Object	find(String table, String value, Column column, Connection connection, IStatementFactory statementFactory) Find a value by its table and alias, or by columns values.
boolean	hasKeys() Check if manager has keys to read.
Object	lookup(String table, String value) Lookup for a ID based on a reference.
void	readKeys(SqlWrapper wrapper, Table table, IRegister register, PreparedStatement pstmt) Read keys from a prepared statement.
void	reset() Reset ID manager.

Field Detail

SEPARATOR

static final String SEPARATOR

Fields separator.

See Also:

Constant Field Values

Method Detail

reset

void reset()

Reset ID manager.

clear

void clear()

Clear manager local variables.

append

void append(String table,
            String value)

Add a table alias to processing.

Parameters:

table - Table to append reference value.

value - A reference value.

hasKeys

boolean hasKeys()

Check if manager has keys to read.

Returns:

true, if reading is required, false, otherwise.

readKeys

void readKeys(SqlWrapper wrapper,
              Table table,
              IRegister register,
              PreparedStatement pstmt)
       throws SQLException

Read keys from a prepared statement.

Parameters:

wrapper - A wrapper.

table - A table.

register - A register.

pstmt - A statement.

Throws:

SQLException - On reading errors.

lookup

Object lookup(String table,
              String value)

Lookup for a ID based on a reference.

Parameters:

table - Table alias to lookup.

value - A object value to transform/recover.

Returns:

ID corresponding to the object.

find

Object find(String table,
            String value,
            Column column,
            Connection connection,
            IStatementFactory statementFactory)
     throws DatabaseException,
            SQLException

Find a value by its table and alias, or by columns values.

Parameters:

table - Table name.

value - The value to be found.

column - The reference column.

connection - A connection.

statementFactory - A statement factory.

Returns:

The database object corresponding to the specified parameters, if found, null, otherwise.

Throws:

DatabaseException - On reading errors.

SQLException - On select errors.