# Class DefaultDataDomainFlushAction.EmptyRowChecker

java.lang.Object
org.apache.cayenne.access.flush.DefaultDataDomainFlushAction.EmptyRowChecker

All Implemented Interfaces:
  `DbRowOpVisitor<Boolean>`

Enclosing class:
  `DefaultDataDomainFlushAction`

protected static class DefaultDataDomainFlushAction.EmptyRowChecker extends Object implements DbRowOpVisitor<Boolean>

Since:
  4.2

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `protected static final DefaultDataDomainFlushAction.EmptyRowChecker`
  `INSTANCE`

- ## Constructor Summary

  Constructors
  Modifier
  Constructor
  Description
  `protected`
  `EmptyRowChecker()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Boolean`
  `visitDelete(DeleteDbRowOp dbRow)`
  `Boolean`
  `visitInsert(InsertDbRowOp dbRow)`
  `Boolean`
  `visitUpdate(UpdateDbRowOp dbRow)`

  ### Methods inherited from class Object

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

  ### Methods inherited from interface DbRowOpVisitor

  `visitSoftDelete`

- ## Field Details

  - ### INSTANCE

    protected static final DefaultDataDomainFlushAction.EmptyRowChecker INSTANCE

- ## Constructor Details

  - ### EmptyRowChecker

    protected EmptyRowChecker()

- ## Method Details

  - ### visitDelete

    public Boolean visitDelete(DeleteDbRowOp dbRow)
    Specified by:
      `visitDelete` in interface `DbRowOpVisitor<Boolean>`

  - ### visitInsert

    public Boolean visitInsert(InsertDbRowOp dbRow)
    Specified by:
      `visitInsert` in interface `DbRowOpVisitor<Boolean>`

  - ### visitUpdate

    public Boolean visitUpdate(UpdateDbRowOp dbRow)
    Specified by:
      `visitUpdate` in interface `DbRowOpVisitor<Boolean>`