org.apache.cayenne.dbsync.merge.token

Class EmptyValueForNullProvider

java.lang.Object

org.apache.cayenne.dbsync.merge.token.EmptyValueForNullProvider

All Implemented Interfaces:

ValueForNullProvider

public class EmptyValueForNullProvider
extends Object
implements ValueForNullProvider

A dummy ValueForNullProvider that are not able to provide any values.

Constructor Summary

Constructors

Constructor and Description
EmptyValueForNullProvider()

Method Summary

Modifier and Type	Method and Description
List<String>	createSql(DbEntity entity, DbAttribute column)
boolean	hasValueFor(DbEntity entity, DbAttribute column)

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyValueForNullProvider

public EmptyValueForNullProvider()

Method Detail

createSql

public List<String> createSql(DbEntity entity,
                              DbAttribute column)

Specified by:

createSql in interface ValueForNullProvider

Returns:

a List of sql to set value for null

hasValueFor

public boolean hasValueFor(DbEntity entity,
                           DbAttribute column)

Specified by:

hasValueFor in interface ValueForNullProvider

Returns:

true if there exist a value that should be inserted for null values