org.apache.ddlutils.platform

Class DefaultTableDefinitionChangesPredicate

java.lang.Object

org.apache.ddlutils.platform.DefaultTableDefinitionChangesPredicate

All Implemented Interfaces:

TableDefinitionChangesPredicate

public class DefaultTableDefinitionChangesPredicate
extends Object
implements TableDefinitionChangesPredicate

This is the default predicate for filtering supported table definition changes in the ModelComparator. It is also useful as the base class for platform specific implementations.

Constructor Summary

Constructors

Constructor and Description
DefaultTableDefinitionChangesPredicate()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	areSupported(Table intermediateTable, List changes) Evaluates the given list of table changes and determines whether they are supported.
protected boolean	isSupported(Table intermediateTable, TableChange change) Checks whether the given change is suppored.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultTableDefinitionChangesPredicate

public DefaultTableDefinitionChangesPredicate()

Method Detail

areSupported

public boolean areSupported(Table intermediateTable,
                   List changes)

Evaluates the given list of table changes and determines whether they are supported.

Specified by:

areSupported in interface TableDefinitionChangesPredicate

Parameters:

intermediateTable - The current table object which has certain non-table-definition changes already applied (those that would come before the give list of changes in the result of ModelComparator.compare(org.apache.ddlutils.model.Database, org.apache.ddlutils.model.Database)

changes - The non-empty list of changes

Returns:

true if the current plaform supports them

isSupported

protected boolean isSupported(Table intermediateTable,
                  TableChange change)

Checks whether the given change is suppored.

Parameters:

intermediateTable - The current table to which this change would be applied

change - The table change

Returns:

true if the change is supported