org.apache.cayenne.merge
Class DropColumnToModel

java.lang.Object
  extended by org.apache.cayenne.merge.AbstractToModelToken
      extended by org.apache.cayenne.merge.DropColumnToModel
All Implemented Interfaces:
MergerToken

public class DropColumnToModel
extends AbstractToModelToken

A MergerToken to remove a DbAttribute from a DbEntity.


Constructor Summary
DropColumnToModel(DbEntity entity, DbAttribute column)
           
 
Method Summary
 MergerToken createReverse(MergerFactory factory)
          Create a token with the reverse direction.
 void execute(MergerContext mergerContext)
           
 DbAttribute getColumn()
           
 DbEntity getEntity()
           
 String getTokenName()
           
 String getTokenValue()
           
 
Methods inherited from class org.apache.cayenne.merge.AbstractToModelToken
getDirection, objEntitiesMappedToDbEntity, remove, remove, synchronizeWithObjEntity, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

DropColumnToModel

public DropColumnToModel(DbEntity entity,
                         DbAttribute column)
Method Detail

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.


execute

public void execute(MergerContext mergerContext)

getTokenName

public String getTokenName()

getColumn

public DbAttribute getColumn()

getTokenValue

public String getTokenValue()
Specified by:
getTokenValue in interface MergerToken

getEntity

public DbEntity getEntity()


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