javatools.db
Class DbFixedAbstractTable

java.lang.Object
  |
  +--javatools.db.DbAbstractTable
        |
        +--javatools.db.DbFixedAbstractTable

All Implemented Interfaces:

DbTableUser

Direct Known Subclasses:

AnalyzerClass, Author, AuthorTelephoneNo, Container, ContainerType, Contains, Data, DataSet, Editor, EditorTelephoneNo, FatherOf, FileType, Genre, Includes, InstalledProgram, Marks, MountPoint, NeedsExecutionOf, PreviewerClass, Published, Realized, Session, Volume, VolumeType

public abstract class DbFixedAbstractTable

extends DbAbstractTable

It represents a real database table. It's a base class to build derived classes representing real tables.

Field Summary

protected java.util.HashMap	colNameMap A map containing all column names.
protected DbColumn[]	columns The array containing all the columns of the table.
protected java.lang.Object[]	defaultValues Array containing the default values.

Fields inherited from class javatools.db.DbAbstractTable

db, displaySize, names, tableName, types

Constructor Summary

DbFixedAbstractTable(DbDatabase db)
Creates new DbFixedAbstractTable

Method Summary

protected void	buildUp() Performs building of static lists.
protected void	catchDefaults() Finds defaults.
DbDeleter	deleter() Returns a deleter for this table.
DbColumn	getColumn(int index) Get the column of the given index.
DbColumn	getColumn(java.lang.String name) Get the DbColumn representing the column with this name.
int	getColumnCount() Returns the number of contained columns.
java.lang.Object	getDefault(int index) Returns the default value for the requested column.
java.lang.Object	getDefault(java.lang.String name) Returns the default value for a given column.
DbInserter	inserter() Return an inserter for inserting new data in the database.
DbInserter	inserter(DbSelector selector) Return an inserter for inserting new data in the database.
protected void	loadStructure() Loads table structure from a file: localConfigPath/TABLENAME.table.
protected void	saveStructure() Saves table structure into a file: localConfigPath/TABLENAME.table.
DbUpdater	updater() Returns an updater for this table.

Methods inherited from class javatools.db.DbAbstractTable

equals, getConstraint, getDatabase, getFullTableName, setTableName, simpleDeleter, simpleInserter, simpleInserter, simpleUpdater, usesTables

Methods inherited from class java.lang.Object

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

Field Detail

columns

protected DbColumn[] columns

The array containing all the columns of the table.

colNameMap

protected java.util.HashMap colNameMap

A map containing all column names.

defaultValues

protected java.lang.Object[] defaultValues

Array containing the default values.

Constructor Detail

DbFixedAbstractTable

public DbFixedAbstractTable(DbDatabase db)
                     throws DbException

Creates new DbFixedAbstractTable

Parameters:

db - The database that will be used.

Throws:

DbException - If something goes wrong.

Method Detail

getColumn

public DbColumn getColumn(int index)
                   throws DbException

Get the column of the given index. Index is a zero based array.

Specified by:

getColumn in class DbAbstractTable

Parameters:

index - The index for the requested column.

Returns:

The column value

Throws:

DbException - If something goes wrong.

getColumn

public DbColumn getColumn(java.lang.String name)
                   throws DbException

Get the DbColumn representing the column with this name.

Specified by:

getColumn in class DbAbstractTable

Parameters:

name - The name of the requested column.

Returns:

The column value

Throws:

DbException - If something goes wrong.

getColumnCount

public int getColumnCount()

Returns the number of contained columns.

Specified by:

getColumnCount in class DbAbstractTable

Returns:

The column count.

getDefault

public java.lang.Object getDefault(int index)
                            throws DbException

Returns the default value for the requested column.

Specified by:

getDefault in class DbAbstractTable

Parameters:

index - The index for the requested column.

Returns:

The requested default value.

Throws:

DbException - If something goes wrong.

getDefault

public java.lang.Object getDefault(java.lang.String name)
                            throws DbException

Returns the default value for a given column.

Specified by:

getDefault in class DbAbstractTable

Parameters:

name - The name of the requested column.

Returns:

The requested default value.

Throws:

DbException - If something goes wrong.

inserter

public DbInserter inserter(DbSelector selector)
                    throws DbException

Return an inserter for inserting new data in the database. This method is for SQL of the form INSERT INTO table(...) SELECT ...

Overrides:

inserter in class DbAbstractTable

Parameters:

selector - The selector that will be used to build this inserter.

Returns:

The brand new inserter.

Throws:

DbException - If something goes wrong.

inserter

public DbInserter inserter()
                    throws DbException

Return an inserter for inserting new data in the database. This method is for SQL of the form INSERT INTO table(...) VALUES(...)

Overrides:

inserter in class DbAbstractTable

Returns:

The brand new inserter.

Throws:

DbException - If something goes wrong.

updater

public DbUpdater updater()
                  throws DbException

Returns an updater for this table.

Overrides:

updater in class DbAbstractTable

Returns:

The brand new updater.

Throws:

DbException - If something goes wrong.

deleter

public DbDeleter deleter()
                  throws DbException

Returns a deleter for this table.

Overrides:

deleter in class DbAbstractTable

Returns:

The brand new deleter.

Throws:

DbException - If something goes wrong.

buildUp

protected void buildUp()
                throws DbException

Performs building of static lists.

Throws:

DbException - If something goes wrong.

catchDefaults

protected void catchDefaults()
                      throws DbException

Finds defaults.

Throws:

DbException - If something goes wrong.

loadStructure

protected void loadStructure()
                      throws DbException

Loads table structure from a file: localConfigPath/TABLENAME.table.

Throws:

DbException - If something goes wrong.

saveStructure

protected void saveStructure()
                      throws DbException

Saves table structure into a file: localConfigPath/TABLENAME.table.

Throws:

DbException - If something goes wrong.