org.apache.cayenne.merge
Class SetAllowNullToDb
java.lang.Object
org.apache.cayenne.merge.AbstractToDbToken
org.apache.cayenne.merge.SetAllowNullToDb
- All Implemented Interfaces:
- Comparable<MergerToken>, MergerToken
public class SetAllowNullToDb
- extends AbstractToDbToken
A MergerToken
to add a "allow null" clause to a column.
SetAllowNullToDb
public SetAllowNullToDb(DbEntity entity,
DbAttribute column)
createSql
public List<String> createSql(DbAdapter adapter)
- Specified by:
createSql
in class AbstractToDbToken
getTokenName
public String getTokenName()
createReverse
public MergerToken createReverse(MergerFactory factory)
- Description copied from interface:
MergerToken
- Create a token with the reverse direction. AddColumn in one direction becomes
DropColumn in the other direction.
Not all tokens are reversible.
getColumn
public DbAttribute getColumn()
getTokenValue
public String getTokenValue()
- Specified by:
getTokenValue
in interface MergerToken
getEntity
public DbEntity getEntity()
getQuotingStrategy
protected QuotingStrategy getQuotingStrategy(DbAdapter adapter)
compareTo
public int compareTo(MergerToken o)
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