IsEmpty (Data Pipeline JavaDoc)

java.lang.Object

com.northconcepts.datapipeline.filter.FieldFilterRule

com.northconcepts.datapipeline.filter.rule.IsEmpty

public class IsEmpty extends FieldFilterRule

Field filter rule that returns true if a field value is empty. A field is considered empty if:

The field value is null
The field is an empty array
The field is a string value that is empty or contains only whitespace characters

See Also:

Constructor Summary

Constructors

Constructor

Description

IsEmpty()

Creates a new IsEmpty filter rule.
Method Summary

Modifier and Type

Method

Description

boolean

allow(Field field)

Returns true if the given field satisfies this rule; called by FieldFilter with each field it checks.

String

toString()

Methods inherited from class com.northconcepts.datapipeline.filter.FieldFilterRule
getFieldFilter

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details
- IsEmpty
  
  public IsEmpty()
  
  Creates a new IsEmpty filter rule.
Method Details
- allow
  
  public boolean allow(Field field)
  
  Description copied from class: FieldFilterRule
  
  Returns true if the given field satisfies this rule; called by FieldFilter with each field it checks.
  
  Specified by:
  
  allow in class FieldFilterRule
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object