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## org.apache.cayenne.merge
Class SetAllowNullToModel

    java.lang.Object
      org.apache.cayenne.merge.AbstractToModelToken
          org.apache.cayenne.merge.SetAllowNullToModel

All Implemented Interfaces:
  MergerToken

    public class SetAllowNullToModel

extends AbstractToModelToken

A `MergerToken` to set the mandatory field of a `DbAttribute` to false

Constructor Summary
`SetAllowNullToModel(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

### SetAllowNullToModel

    public SetAllowNullToModel(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. See `#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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