xdev.db

Class AbstractDBMetaData

java.lang.Object

xdev.db.AbstractDBMetaData

All Implemented Interfaces:

Serializable, DBMetaData, DataSourceMetaData

Direct Known Subclasses:

JDBCMetaData, ServletDBMetaData

public abstract class AbstractDBMetaData
extends Object
implements DBMetaData, Serializable

Author:

XDEV Software

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface xdev.db.DBMetaData

DBMetaData.TableChange, DBMetaData.TableInfo, DBMetaData.TableMetaData, DBMetaData.TableType

Field Summary

Fields inherited from interface xdev.db.DBMetaData

ALL, INDICES, ROW_COUNT, UNKNOWN_ROW_COUNT

Constructor Summary

Constructors

Constructor and Description
AbstractDBMetaData()

Method Summary

Modifier and Type	Method and Description
void	dispose() Releases all resources used by this metadata object.
EntityRelationshipModel	getEntityRelationshipModel(ProgressMonitor monitor) Create the EntityRelationshipModel of all tables of this DBMetaData.
protected boolean	isColumnEqual(DBMetaData.TableMetaData table1, ColumnMetaData column1, DBMetaData.TableMetaData table2, ColumnMetaData column2) Compare the given two columns column1 and column2 according to the following criteria: column name column type nullable auto increment default value The default value is only considered if the column is not a auto increment column.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface xdev.db.DBMetaData

equalsType, getEntityRelationshipModel, getMaxColumnNameLength, getStoredProcedures, getTableInfos, getTableMetaData, isCaseSensitive, synchronizeTables

Methods inherited from interface xdev.util.DataSourceMetaData

getName, getVersion

Constructor Detail

AbstractDBMetaData

public AbstractDBMetaData()

Method Detail

toString

public String toString()

Overrides:

toString in class Object

getEntityRelationshipModel

public EntityRelationshipModel getEntityRelationshipModel(ProgressMonitor monitor)
                                                   throws DBException

Description copied from interface: DBMetaData

Create the EntityRelationshipModel of all tables of this DBMetaData.

Specified by:

getEntityRelationshipModel in interface DBMetaData

Returns:

a EntityRelationshipModel of this DBMetaData

Throws:

DBException - if a database access error occurs

isColumnEqual

protected boolean isColumnEqual(DBMetaData.TableMetaData table1,
                                ColumnMetaData column1,
                                DBMetaData.TableMetaData table2,
                                ColumnMetaData column2)
                         throws DBException

Compare the given two columns column1 and column2 according to the following criteria:

• column name
• column type
• nullable
• auto increment
• default value

The default value is only considered if the column is not a auto increment column.

Parameters:

table1 -

column1 -

table2 -

column2 -

Returns:

Throws:

DBException

dispose

public void dispose()

Releases all resources used by this metadata object.

Specified by:

dispose in interface DBMetaData