net.sf.jailer.domainmodel

Class DomainModel

java.lang.Object

net.sf.jailer.domainmodel.DomainModel

public class DomainModel
extends Object

Partitioning of the entire data model into smaller sets of functionally related tables. The definition of a domain model helps you to define the restriction and extraction models.

Author:

Ralf Wisser

Field Summary

Fields

Modifier and Type	Field and Description
Map<Table,Composite>	composites Maps each table to the composite where the table is the main table.

Constructor Summary

Constructors

Constructor and Description
DomainModel(DataModel dataModel) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	check() Checks model invariants: two different domains are disjoint.
Composite	getComposite(Table table) Gets composite in which a given table is contained.
Domain	getDomain(Table table) Gets domain of table.
Map<String,Domain>	getDomains() Gets all domains.
String	toString() Stringifies the model.

Methods inherited from class java.lang.Object

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

Field Detail

composites

public final Map<Table,Composite> composites

Maps each table to the composite where the table is the main table.

Constructor Detail

DomainModel

public DomainModel(DataModel dataModel)
            throws Exception

Constructor. Loads the domain definitions in directory 'domainmodel'.

Throws:

Exception

Method Detail

getDomains

public Map<String,Domain> getDomains()

Gets all domains.

Returns:

a map from domain names to domains

getDomain

public Domain getDomain(Table table)

Gets domain of table.

Parameters:

table - the table

Returns:

domain of table or null, if table belongs to no domain

getComposite

public Composite getComposite(Table table)

Gets composite in which a given table is contained.

Parameters:

table - the table

Returns:

composite in which a table is contained

check

public boolean check()

Checks model invariants:

• two different domains are disjoint.
• the union of all domains is the set of all tables.

Returns:

true if no errors are found

toString

public String toString()

Stringifies the model.

Overrides:

toString in class Object