biouml.standard.type.access
Class RelationSqlTransformer

java.lang.Object
  ru.biosoft.access.SqlTransformerSupport
      biouml.standard.type.access.ReferrerSqlTransformer
          biouml.standard.type.access.RelationSqlTransformer

All Implemented Interfaces:

SqlTransformer

public class RelationSqlTransformer

extends biouml.standard.type.access.ReferrerSqlTransformer

Field Summary

Fields inherited from class ru.biosoft.access.SqlTransformerSupport

owner, table

Constructor Summary

RelationSqlTransformer()

Method Summary

void	addDeleteCommands(java.sql.Statement statement, java.lang.String name) Adds set of SQL commands to the statement to remove data element from the table.
void	addInsertCommands(java.sql.Statement statement, DataElement de) Adds set of SQL commands to the statement to insert data element into the table.
void	addUpdateCommands(java.sql.Statement statement, DataElement de) Adds set of SQL commands to the statement to update data element in the table.
DataElement	create(java.sql.ResultSet resultSet, java.sql.Connection connection) Extracts all needed fields from resultSet, and create instance of DataElement.
protected DataElement	createElement(java.sql.ResultSet resultSet) Creates the data element and fills it specific fields.
java.lang.String	getSelectQuery() Creates SQL query for extracting all data elements from table.
protected java.lang.String	getSpecificFields(DataElement de) Returns names of specific fields for the data element.
protected java.lang.String[]	getSpecificValues(DataElement de) Returns values of specific fields for the data element.
java.lang.Class	getTemplateClass() Returns class of object.
boolean	init(DataCollection owner) Initialize transformer.

Methods inherited from class ru.biosoft.access.SqlTransformerSupport

getCountQuery, getElementExistsQuery, getElementQuery, getNameListQuery, getTable, validateValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RelationSqlTransformer

public RelationSqlTransformer()

Method Detail

init

public boolean init(DataCollection owner)

Description copied from interface: SqlTransformer

Initialize transformer. Must be called by client after SqlTransformer's constructor, and before using instance of SqlTransformer.

Specified by:

init in interface SqlTransformer

Overrides:

init in class SqlTransformerSupport

getTemplateClass

public java.lang.Class getTemplateClass()

Description copied from interface: SqlTransformer

Returns class of object.

Returns:

Class of transformed object.

See Also:

#create(java.sql.ResultSet)

getSelectQuery

public java.lang.String getSelectQuery()

Description copied from interface: SqlTransformer

Creates SQL query for extracting all data elements from table.

Returns:

SQL query for extracting all data elements from table.

createElement

protected DataElement createElement(java.sql.ResultSet resultSet)
                             throws java.sql.SQLException

Description copied from class: biouml.standard.type.access.ReferrerSqlTransformer

Creates the data element and fills it specific fields.

Throws:

java.sql.SQLException

getSpecificFields

protected java.lang.String getSpecificFields(DataElement de)

Description copied from class: biouml.standard.type.access.ReferrerSqlTransformer

Returns names of specific fields for the data element. This names will be used in INSERT clause.

See Also:

ReferrerSqlTransformer.getSpecificValues(ru.biosoft.access.DataElement)

getSpecificValues

protected java.lang.String[] getSpecificValues(DataElement de)

Description copied from class: biouml.standard.type.access.ReferrerSqlTransformer

Returns values of specific fields for the data element. This values will be used in VALUES clause.

See Also:

ReferrerSqlTransformer.getSpecificFields(ru.biosoft.access.DataElement)

create

public DataElement create(java.sql.ResultSet resultSet,
                          java.sql.Connection connection)
                   throws java.lang.Exception

Description copied from interface: SqlTransformer

Extracts all needed fields from resultSet, and create instance of DataElement. If necessary the method can use additional queries to get needed data using the specified connection.

Parameters:

resultSet - ResultSet from DBMS.

connection - to be used if additional query is needed.

Returns:

created data element.

Throws:

java.lang.Exception

See Also:

SqlTransformer.getTemplateClass()

addInsertCommands

public void addInsertCommands(java.sql.Statement statement,
                              DataElement de)
                       throws java.lang.Exception

Adds set of SQL commands to the statement to insert data element into the table.

Parameters:

statement - - statement to which SQL commands should be added.

de - - object for which INSERT statements will be generated.

Throws:

java.lang.Exception

addUpdateCommands

public void addUpdateCommands(java.sql.Statement statement,
                              DataElement de)
                       throws java.lang.Exception

Adds set of SQL commands to the statement to update data element in the table.

Specified by:

addUpdateCommands in interface SqlTransformer

Overrides:

addUpdateCommands in class SqlTransformerSupport

Parameters:

statement - - statement to which SQL commands should be added.

de - - object for which UPDATE statements will be generated.

Throws:

java.lang.Exception

addDeleteCommands

public void addDeleteCommands(java.sql.Statement statement,
                              java.lang.String name)
                       throws java.lang.Exception

Adds set of SQL commands to the statement to remove data element from the table.

Specified by:

addDeleteCommands in interface SqlTransformer

Overrides:

addDeleteCommands in class SqlTransformerSupport

Parameters:

statement - - statement to which SQL commands should be added.

Throws:

java.lang.Exception